durham791d139f

Whole-Home Air Purification and Ventilation Solutions for Huntsville Homes

Wed, 12 Aug 2026 14:45:02 GMT

Huntsville poses a year-round challenge for anyone with pollen allergies, and that challenge doesn't stop at your front door. Pollen counts tracked by IQAir's Huntsville monitoring data show pollen entering homes through windows, doors, and ventilation systems, where it settles into carpets, bedding, and ductwork long after the outdoor season passes. Closing your windows and running your AC helps, but a standard AC filter alone was never designed to solve whole-home indoor air quality.

That's where whole-home air purification Huntsville homeowners are increasingly installing comes in. Unlike a portable purifier that treats one room, a whole-home system integrates with your existing HVAC equipment and treats every cubic foot of air that moves through your ductwork.

Why Indoor Air Quality Matters More Than Most Homeowners Realize

Indoor air carries more than dust. Pollen, pet dander, mold spores, and airborne bacteria all circulate through a home's ductwork and settle in living spaces. Clean, well-circulated indoor air reduces asthma flare-ups and allergy symptoms, and fans plus air purifiers rank among the most effective tools for cutting that risk at home.

Huntsville's climate compounds the problem. High summer humidity supports mold growth in ductwork and crawlspaces, while the region's long pollen season keeps allergen levels elevated for most of the year. A home that only filters air at the AC unit, without addressing ventilation and whole-duct purification, leaves gaps that a portable purifier can't close.

The Ventilation Standard Behind a Healthy Home

The EPA's indoor air quality guidance points to ASHRAE Standard 62.2 as the national benchmark for residential ventilation, the only standard in the United States focused specifically on air quality inside homes. The standard sets a clear formula: total square footage divided by 100, plus the number of bedrooms plus one, multiplied by 7.5 cfm.

For a 2,400-square-foot Huntsville home with four bedrooms, that formula works out to roughly 61.5 cfm of continuous mechanical ventilation, air that has to be actively exchanged, not just recirculated through a return vent. Most existing HVAC systems weren't designed with that ventilation rate in mind, which is why a dedicated ventilation solution matters as much as filtration.

Whole-Home Solutions From Daikin

Beyond heating and cooling, Durham offers whole-home air purification and ventilation solutions that integrate directly with your existing system for cleaner, fresher indoor air. Rather than treating a single room, these systems tie into your existing ductwork so every cycle of conditioned air also passes through active filtration and fresh-air exchange.

That integration matters for two reasons . First, it addresses the ASHRAE 62.2 ventilation gap directly, bringing in fresh outdoor air on a controlled, filtered basis rather than relying on leaky windows and doors. Second, it treats the entire volume of circulating air rather than the air in one room, which is the fundamental limitation of any portable unit.

How Whole-Home Systems Differ From Portable Purifiers

A portable purifier filters the air in the room it sits in, and stops working the moment you carry it somewhere else. A whole-home system mounted at your furnace or air handler filters every cubic foot of air that circulates through your ducts, reaching bedrooms, hallways, and basements a portable unit never touches.

Three practical differences stand out:

Coverage. Whole-home systems treat the entire house on every HVAC cycle. Portable units treat one room at a time.
Fresh air exchange. Ventilation-integrated systems bring filtered outdoor air in on a controlled schedule. Portable purifiers only recirculate existing indoor air.
Maintenance. A single whole-home filtration system has one filter change point tied to your existing HVAC maintenance schedule, rather than multiple portable units each needing separate filters.

Signs Your Huntsville Home Needs Better Ventilation

A few common signals point to a home that would benefit from a whole-home air purification and ventilation upgrade:

Persistent allergy or asthma symptoms that improve when you leave the house
Musty odors in basements, crawlspaces, or closets during humid months
Visible condensation on windows or interior surfaces
Dust that reaccumulates quickly after cleaning
Rooms that feel stuffy despite the AC running normally

Any one of these points to indoor air quality issues that filtration and ventilation, not just temperature control, can resolve.

Get a Whole-Home Air Quality Evaluation

Durham Service Company installs Daikin whole-home air purification and ventilation systems throughout Huntsville and the surrounding communities of Madison, Harvest, Meridianville, and Moores Mill, plus Jackson County (Scottsboro, Stevenson), Limestone County (Athens, Ardmore, Elkmont), and Marshall County (Arab, Albertville, Guntersville).

See the full range of indoor air quality options on our heating and indoor air quality page , or call (256) 533-2462 to schedule an evaluation.

Gas Line Installation for Huntsville Properties: Permits, Costs, and the Process

Wed, 29 Jul 2026 16:45:00 GMT

Huntsville is adding new homes and additions faster than almost any city in Alabama. That growth is a direct driver of gas line installation demand: new gas ranges, tankless water heaters, gas fireplaces, and outdoor kitchens all need a line run and connected to code.

The Huntsville area saw 1,947 building permits totaling more than $532 million issued across Madison, Limestone, and Morgan counties in the first quarter of 2026 alone, according to reporting from Meridianville Today . The Huntsville Business Journal separately reported nearly 5,000 new housing units on the market in 2025, with single-family construction now outpacing the apartment building boom of the prior two years, per its coverage of the local housing market .

Every one of those new builds and additions needs gas line work done correctly, permitted properly, and inspected before use. Here's what a Huntsville property owner needs to know before starting a gas line installation project.

The Huntsville Utilities Permit and Approval Process

Gas line installation in Huntsville runs through Huntsville Utilities , the municipal provider responsible for natural gas service across the city. A permit is required for gas line installation in most cases, and a licensed contractor typically handles that filing directly with the city.

Before construction starts, property owners or contractors should submit a Construction Services Request to Huntsville Utilities. For new construction, a Service Availability Letter documenting the utility's ability to provide service to the property is often required before a builder can move forward. Huntsville Utilities' Engineering Services team, reachable at 256-535-1315, handles these requests and can confirm requirements specific to a given property.

Two technical requirements matter for every installation:

Maximum connected gas load. The property owner or contractor must supply Huntsville Utilities with the correct maximum connected gas load for the home, based on every appliance the line will serve.
Excess flow valve installation. Huntsville Utilities installs an excess flow valve on all gas service lines as a safety requirement. This valve automatically restricts gas flow if a line downstream is damaged or severed.

What Determines Gas Line Installation Cost

Gas line installation pricing in Huntsville varies based on several concrete factors, not a flat per-project rate.

Distance from the meter. A gas log insert 10 feet from an existing line costs far less than a run to a detached outdoor kitchen 80 feet away. Longer runs mean more pipe, more labor, and in some cases more trenching.

Trenching and surface type. Running a line under a concrete patio or existing landscaping adds labor and repair costs that a straightforward crawlspace or basement run doesn't require.

Material and diameter. Pipe size is set by the calculated load of every appliance on the line, and larger diameter pipe for high-demand appliances like tankless water heaters or whole-home generators costs more than a single small appliance connection.

Number of appliances served. A line splitting off to serve a range, a dryer, and a water heater requires more fittings, more load calculation, and more inspection points than a single-appliance run.

Common Gas Line Applications in Huntsville Homes

Most gas line installation requests in the Huntsville area fall into a few common categories:

Gas ranges and cooktops. A frequent upgrade during kitchen renovations, especially as more homeowners move away from electric cooking.
Tankless water heaters. Gas-fired tankless units need a properly sized line to deliver consistent hot water without pressure drops.
Gas fireplaces and log inserts. Popular additions during whole-home renovations, particularly in older Huntsville neighborhoods converting from wood-burning fireplaces.
Outdoor kitchens and fire features. A growing category as outdoor living space investment rises alongside Huntsville's broader construction boom.
Standby generators. Whole-home generators require a dedicated line sized to the generator's continuous load rating.

Why Licensed Installation Matters

Gas line work is not a do-it-yourself project. An improperly sized line, a missed permit, or a skipped inspection creates a safety hazard and can void a homeowner's insurance coverage. A licensed installer calculates the correct load, coordinates directly with Huntsville Utilities on permitting and the excess flow valve requirement, and schedules the inspection that closes out the permit.

Durham Service Company installs and repairs gas lines throughout Huntsville and the surrounding communities of Madison, Harvest, Meridianville, and Moores Mill, plus Jackson County (Scottsboro, Stevenson), Limestone County (Athens, Ardmore, Elkmont), and Marshall County (Arab, Albertville, Guntersville). Our technicians handle the full process, from load calculation through permit coordination and final inspection.

Learn more on our gas line services page , or call (256) 533-2462 to schedule an estimate. You can also request service directly on our contact page .

The Huntsville Homeowner's Guide to Surviving July: HVAC Humidity Control vs. Thermostat Reality

Thu, 16 Jul 2026 21:09:17 GMT

Your thermostat says 74°F. Your house feels like a sauna. Your AC has run non-stop for three hours straight. Nothing is broken.

North Alabama summers push HVAC systems past the conditions most thermostat advice assumes. Generic tips tell you to set it and forget it at 68°F for maximum comfort. That advice comes from regions with dry heat and mild humidity. Huntsville in July is a different animal: air temperatures near 98°F paired with humidity levels above 80%.

This combination changes the math on hvac humidity Huntsville homeowners deal with every summer. Standard AC units remove two kinds of heat: sensible heat (the temperature you feel) and latent heat (the moisture in the air). When outdoor humidity spikes, your system has to work harder on the moisture side, and that workload competes directly with temperature drop.

The result: a thermostat set too low doesn't cool your home faster. It forces the compressor into continuous operation, drives up your utility bill, and risks freezing the evaporator coil. None of that fixes the real problem, which is humidity, not temperature.

This guide breaks down the physics behind why standard thermostat settings fail during a North Alabama heat dome, gives you a data-backed matrix for setting your thermostat and ceiling fans correctly, and hands you a checklist for cutting indoor humidity without touching the thermostat at all.

The 20-Degree Rule: Sensible Heat vs. Latent Heat Removal

Every central AC system has a physical limit. Most residential units are engineered for a maximum temperature drop of 20°F between outdoor air and indoor air. That number is not a marketing figure. It comes from the refrigerant cycle and coil size built into standard residential equipment.

Here's the math for a Huntsville July afternoon: outdoor temperature 98°F, maximum realistic indoor temperature 78°F (98°F minus the 20°F ceiling). Set your thermostat to 68°F on a day like that, and you're asking your system for a 30-degree drop. The unit cannot deliver that number. Instead, the compressor runs continuously, chasing a target it physically cannot reach.

Sensible Heat vs. Latent Heat: The Two Jobs Your AC Does

An air conditioner removes heat in two distinct ways, and Huntsville's climate stresses both at once.

Sensible heat removal lowers the air temperature you read on your thermostat. This is the job most homeowners think their AC does exclusively.

Latent heat removal pulls moisture out of the air as it passes over the cold evaporator coil. Water vapor condenses on the coil and drains away through the condensate line. This process keeps your indoor humidity in a comfortable range.

Here's the problem specific to hvac humidity Huntsville conditions: sensible and latent heat removal draw from the same fixed capacity. When outdoor humidity sits above 80%, your system has to dedicate more of its total capacity to latent heat removal and less to sensible heat removal. Push the thermostat lower to compensate, and you overload a system that's already splitting its effort.

What Happens When You Ignore the 20-Degree Rule

Three consequences show up fast when a thermostat setting exceeds the 20-degree ceiling:

Continuous compressor operation. The system never satisfies the thermostat, so it never cycles off. Utility bills climb well past normal summer averages.
Evaporator coil freeze-up. Extended runtime at low airflow can drop coil temperature below freezing, forming ice that blocks airflow entirely and can damage the compressor.
Reduced dehumidification. Freezing coils stop removing moisture altogether, so indoor humidity climbs even as the system runs harder.

The fix isn't a lower number on the thermostat. It's managing humidity directly.

The Huntsville Humidity Matrix: Thermostat and Fan Settings by Condition

Temperature alone doesn't tell you how a room feels. Humidity changes your perceived temperature by slowing sweat evaporation, your body's primary cooling mechanism. At 80% humidity, a 78°F room feels closer to 83°F, because sweat can't evaporate off your skin fast enough to carry heat away.

That five-degree perception gap is why chasing a lower number on the thermostat backfires. The fix is pairing the right thermostat setting with active humidity control and correct fan direction.

HVAC Humidity Huntsville Settings Matrix

95°F+ and high humidity (75%+): Set thermostat to 74°F–78°F. Run a dehumidifier alongside your AC. Set ceiling fans counter-clockwise, high speed.
85°F–92°F and moderate humidity (50–75%): Set thermostat to 72°F–75°F. Standard AC operation, monitor indoor humidity. Set ceiling fans counter-clockwise, medium speed.
Below 85°F and low humidity (under 50%): Set thermostat to 72°F–76°F. Standard AC operation. Set ceiling fans counter-clockwise, low to medium speed.

Why Counter-Clockwise in Summer

Set ceiling fans to spin counter-clockwise during summer months. This pushes air straight down, creating a wind-chill effect on your skin that lets you raise the thermostat two to four degrees without losing comfort. Clockwise rotation is a winter setting. It pulls air upward and redistributes warm air pooled near the ceiling instead.

Why 74°F–78°F Beats 68°F on a Heat Dome Day

On a 95°F+ day with high humidity, 74°F–78°F paired with active dehumidification keeps your system inside the 20-degree rule while a dehumidifier handles the moisture load your AC can't fully manage alone. A standalone or whole-home dehumidifier removes latent heat without asking the compressor for an unreachable temperature drop, so your system cycles normally, your utility bill stays predictable, and coil freeze-up risk drops sharply.

The takeaway for Huntsville summers: your thermostat number matters less than your humidity number. Target 30% to 50% indoor relative humidity, and 76°F will feel more comfortable than 68°F ever will on a day dense with moisture.

Actionable Checklist: Lower Humidity Without Touching the Thermostat

Your thermostat controls temperature. These five habits control humidity, the variable that actually decides how your home feels during a Huntsville heat dome.

1. Run Bath Fans for 20 Minutes After Every Shower

A single hot shower releases roughly half a pint of water vapor into your bathroom air. Left unchecked, that moisture migrates into hallways and bedrooms within the hour. Run the exhaust fan for a full 20 minutes after each shower, not just during it, to clear residual vapor before it spreads through your HVAC humidity Huntsville system.

2. Check and Clear Your Condensate Line Monthly

The condensate line drains the moisture your AC pulls out of the air. A clogged line backs up condensate into the drain pan, and in some systems triggers a safety switch that shuts the whole unit down. Pour a cup of white vinegar down the line's access point every 30 to 60 days to prevent algae buildup, a common cause of summer service calls in humid climates.

3. Run Kitchen Exhaust Fans During and After Cooking

Boiling, steaming, and simmering add measurable water vapor to indoor air. Use the range hood or exhaust fan for the full cooking session and 10 minutes after, especially during Huntsville's high-humidity stretches when your AC is already working near capacity.

4. Seal Gaps Around Doors and Windows

Humid outdoor air finds its way in through unsealed gaps, adding to the latent heat load your system has to remove. Weatherstripping and caulk around exterior doors and window frames cost little and reduce the volume of moist air entering your home.

5. Monitor Indoor Humidity With a Standalone Hygrometer

A $15 digital hygrometer gives you a real number instead of a guess. Keep indoor relative humidity between 30% and 50%. Readings above 60% indicate your system needs support, whether from a dehumidifier, a maintenance check, or a professional load calculation to confirm your equipment matches your home's demands.

None of these steps require lowering your thermostat. All five reduce the latent heat load your AC has to manage, which is the actual driver of comfort during a Huntsville summer.

When to Call In a Professional

Habit changes and thermostat adjustments handle most humidity problems. Some situations need a trained technician, specifically when indoor humidity stays above 60% despite consistent dehumidification, when a coil has frozen more than once this season, or when your system short-cycles even after condensate lines and airflow have been checked.

A properly sized system matched to your home's square footage and insulation level handles North Alabama's heat and humidity without the extreme settings and constant runtime that drive up bills. If your current setup struggles every July regardless of thermostat setting, an equipment or ductwork evaluation may reveal the real issue.

Durham Service Company works throughout Huntsville and the surrounding communities of Madison, Harvest, Meridianville, and Moores Mill, plus Jackson County (Scottsboro, Stevenson), Limestone County (Athens, Ardmore, Elkmont), and Marshall County (Arab, Albertville, Guntersville). Our technicians handle everything from condensate line clearing to full system load calculations built for hvac humidity Huntsville conditions specifically.

Reach the team at (256) 533-2462 or request service at durhamservice.com/contact . For more on system sizing and maintenance, visit the air conditioning services page .

What to Do When You Lose Power in Huntsville, AL

Thu, 21 May 2026 21:02:00 GMT

Power outages in Huntsville happen more than most people expect. Severe thunderstorms, tornado activity, ice storms, and occasional equipment failures from the Tennessee Valley Authority or local utilities can leave your neighborhood dark for anywhere from a few hours to several days.

When the lights go out, the first few minutes matter. Here's a step-by-step guide to help you respond safely and protect your home.

In the First Few Minutes

Stay calm and assess the situation. Is the outage limited to your home, or are your neighbors dark too? Check your circuit breakers first. If a breaker has tripped, reset it. If your panel is fine but your neighbors are also out, the outage is on the utility side.

Report the outage. Contact your utility provider to report the outage and get an estimated restoration time. Reporting helps them map affected areas and prioritize repairs.

Huntsville Utilities: 256-535-1200
TVA outage reporting: 888-882-4791

You can also check outage maps online through the Huntsville Utilities website or TVA's outage viewer.

Unplug sensitive electronics. Power restoration often comes with a surge. Unplug computers, televisions, and gaming consoles before power comes back on. Leave one lamp plugged in so you know when it returns.

Keep refrigerator and freezer doors closed. A full freezer stays cold for about 48 hours if you don't open it. A half-full freezer holds temperature for roughly 24 hours. Your refrigerator keeps food safe for about 4 hours. Resist the urge to check on things — every time you open the door, you lose cold air.

Lighting and Safety

Use flashlights, not candles. Candles are a fire hazard, especially during the confusion of an outage. LED flashlights and battery-powered lanterns are safer and last longer.

Know your carbon monoxide risks. Never run a gas generator, grill, camp stove, or any combustion equipment indoors or in your garage. Carbon monoxide is colorless and odorless, and it kills quickly. Keep combustion equipment at least 20 feet from windows and doors.

Check on elderly neighbors and family members. Heat-related illness becomes a serious risk in Huntsville summers if someone loses air conditioning. If temperatures are high, check in and help make arrangements if needed.

Watch for downed power lines. If you see a downed line, keep at least 100 feet away and call 911. Do not assume a line is safe because it isn't sparking.

Managing Heat in a Huntsville Summer

A Huntsville summer without AC gets dangerous fast, especially for elderly residents, young children, and anyone with health conditions. If temperatures inside your home approach 85-90 degrees, move to a lower level of the home since it's typically cooler, close blinds and curtains to block solar heat gain, and use battery-powered fans to circulate air.

Seek a cooling center, library, or other air-conditioned public space if temperatures become dangerous. Huntsville's Parks and Recreation Department sometimes opens cooling centers during extended outages — check the City of Huntsville's website or social media for updates.

Managing Heat in a Winter Outage

Ice storms have knocked out power in North Alabama for days at a time. Without heat, your home can drop to dangerous temperatures within hours. Dress in layers and gather the family in one room — body heat helps. Block drafts with towels or blankets along door gaps.

Know where your water shutoff is. If your home drops below freezing, you may need to shut off water and drain pipes to prevent them from bursting. And never use a gas oven or range to heat your home.

Food Safety During an Extended Outage

If your outage stretches past 4 hours, follow these food safety guidelines from the USDA. For refrigerator items, discard anything perishable — meat, dairy, eggs, leftovers — after 4 hours above 40°F. For freezer items: still frozen with ice crystals means it's safe to cook or refreeze; thawed but cold (below 40°F) means cook immediately; room temperature or warmer for more than 2 hours means discard.

When in doubt, throw it out. Food poisoning during an already difficult situation makes everything worse.

The Better Answer: A Home Standby Generator

If you've been through a multi-day outage in Huntsville, you already understand the value of power you don't have to manage. A Generac home standby generator runs on natural gas or propane and starts automatically within seconds of detecting an outage. There's no extension cord, no trip to a gas station in a storm, no manual startup. Your lights come on, your AC keeps running, and your refrigerator stays cold — whether you're home or not.

Durham Service Company is a Generac authorized dealer serving the Huntsville area. We install whole-home standby generators, handle permits and inspections, and provide ongoing service so your generator is ready when it matters most.

After Power Is Restored

When power comes back on, wait a few minutes before plugging electronics back in and let voltage stabilize. Check your HVAC system and reset your thermostat if settings were lost. Inspect your refrigerator and freezer contents using the food safety guidelines above. Check your sump pump if you have one — storms that cause outages often bring heavy rain, and you want to confirm the pump is working.

Note how long the outage lasted. If outages are becoming more frequent or longer in your area, it may be time to talk to Durham about a permanent generator solution.

Durham Service Company Is Here to Help

Durham Service Company has served North Alabama homeowners through years of Alabama weather. Whether you need a Generac standby generator installed before the next storm season or you have questions about protecting your home, our team is ready.

We're open Monday through Friday, 8:00 AM to 4:00 PM. Don't wait until the next outage to wish you'd done something about it. Contact us today to talk about the right generator for your home.

When you think dependable, think Durham.

How to Find the Right Home Standby Generator for Your Huntsville Home

Thu, 21 May 2026 20:56:29 GMT

North Alabama is no stranger to severe weather. Thunderstorms roll through in spring and summer, tornadoes are a real threat, and ice storms in winter can knock out power for days. If you've sat through a multi-day outage in Huntsville, you already know what a home standby generator is worth.

But picking the right generator is where a lot of homeowners get stuck. Size, fuel type, transfer switches, installation — it's a lot to sort through. This guide cuts through the noise so you can make a confident decision.

Standby vs. Portable: What's the Difference?

Before sizing a generator, it helps to understand the two main types available to homeowners.

Portable generators are the units you buy at a hardware store, pull out after a storm, and run on gasoline in your driveway. They're affordable upfront, but they require manual setup, need constant refueling, and can't power your whole house safely. They also produce carbon monoxide, which means they must stay outside — away from windows and doors.

Home standby generators are permanently installed outside your home, connected to your natural gas or propane supply, and wired directly to your electrical panel through an automatic transfer switch. When the power goes out, the transfer switch detects the outage and the generator starts automatically — typically within 10-30 seconds. You don't have to do anything.

For Huntsville homeowners who want real protection, a standby generator is the right choice.

Step 1: Decide What You Want to Power

This is the most important question, and your answer drives everything else — including the size of generator you need.

Whole-home coverage means the generator powers everything in your house: HVAC, kitchen appliances, lights, outlets, well pumps, and any medical equipment. This requires a larger unit, but you live normally during an outage.

Essential circuits only means the generator powers your most critical systems — refrigerator, a few lights, your HVAC, and any medical devices. This requires a smaller unit and costs less, but you'll need to be mindful of what you run simultaneously.

Make a list of the appliances and systems that matter most to you. That list is your starting point for sizing.

Step 2: Calculate the Generator Size You Need

Generator capacity is measured in kilowatts (kW). Here's a rough guide to common home loads you'll want to account for:

Central air conditioner (3-ton): 3,500-5,000 watts to start, 2,000-3,500 running
Electric stove: 2,000-5,000 watts
Refrigerator: 700-1,200 watts
Well pump: 750-1,500 watts
Lighting and outlets: 500-2,000 watts depending on home size

For a modest home running essential circuits, a 10-13 kW Generac unit is often sufficient. For a larger home or full whole-home coverage, you're looking at 20-22 kW or higher.

One important note: starting wattage — the surge when a motor kicks on — is higher than running wattage. Your generator needs to handle starting loads without tripping. An experienced installer like the team at Durham Service Company will do a proper load calculation to make sure your generator is sized correctly for your specific home.

Step 3: Choose Your Fuel Type

Generac home standby generators run on either natural gas or propane (LP).

Natural gas is convenient if your home already has a gas line. Supply is continuous, so you never worry about running out of fuel during a long outage. In Huntsville, where the Tennessee Valley area has solid natural gas infrastructure, this is often the preferred option.

Propane works well if you don't have natural gas service. You'll need a propane tank on your property — typically 250-500 gallons for a whole-home generator. Keep it topped off before storm season. A fully loaded 500-gallon tank gives you several days of runtime depending on load.

Durham Service Company handles propane and natural gas piping as part of our services, so we can connect your generator to whichever fuel source makes sense for your property.

Step 4: Understand the Installation Requirements

A home standby generator installation is not a DIY project. It involves electrical work to connect to your home's main panel and install an automatic transfer switch, gas or propane piping from your supply to the generator, a concrete pad the generator sits on, and permits required by most local jurisdictions in the Huntsville area.

Working with a Generac authorized dealer like Durham Service Company means you get technicians trained and certified on Generac equipment . We handle the permits, the pad, the piping, and the electrical connections. Installing with an authorized dealer also protects your Generac warranty — DIY installation or work by an uncertified contractor voids manufacturer coverage.

Why Generac?

Generac is the number one selling brand of home standby generators in the United States. Their residential line covers outputs from 10 kW all the way up to 150 kW for large homes and light commercial applications.

Generac systems include Mobile Link remote monitoring so you can check your generator's status from your smartphone whether you're home or away. True Power Technology delivers clean power that's safe for sensitive electronics. Weekly self-tests run automatically so the generator stays ready. And Generac's wide dealer and service network means parts and support are accessible when you need them.

Durham Service Company is a Generac authorized dealer in North Alabama. We install, service, and repair Generac generators — and we stock the parts to back up what we sell.

What Does a Home Standby Generator Cost?

Installation costs vary based on generator size, fuel type, distance from the electrical panel, and site conditions. As a general range, a 10-13 kW system installed typically runs $4,500-$7,000, while a 20-22 kW system runs $7,000-$12,000. Larger systems increase from there.

These are estimates. Your actual cost depends on your specific home, existing infrastructure, and the scope of the installation. Many homeowners find that the cost of a standby generator compares favorably to the cost of a single major outage — lost food, hotel stays, and in extreme cases, burst pipes or other damage from a home that lost heat in winter.

Ready to Get Started?

If you're thinking about a home standby generator, the next step is a site assessment. Durham Service Company will evaluate your home's electrical load, discuss your fuel options, and give you a firm quote with no guesswork.

We've served North Alabama homeowners and businesses for years. When it comes to generator installation, we do the job right — from the permit to the final inspection. Contact us today to request a quote.

When you think dependable, think Durham.

When to Service Your Air Conditioning Unit

Thu, 21 May 2026 20:49:54 GMT

If you live in Huntsville, Alabama, you already know what June feels like. Temperatures push into the mid-90s, humidity makes it feel hotter, and your air conditioner runs for hours at a stretch. That's not the time to find out your system is due for service.

The good news: a little maintenance at the right time keeps your AC running at peak efficiency all summer. Here's what Huntsville homeowners need to know.

Service Your AC Before Cooling Season Starts

The best time to schedule AC service in North Alabama is late February through April — before the heat sets in and before every HVAC company in town is slammed with emergency calls.

Why does timing matter? When you book early, you get appointment flexibility on your schedule. A technician can catch small problems — like a failing capacitor — before they turn into emergency breakdowns on a 95-degree Saturday. And a cleaned, tuned system uses less energy from day one, which means lower electric bills during the months you run it most.

If you missed the spring window, don't wait until next year. A mid-summer tune-up is still worth doing. Your system will thank you before peak heat arrives.

How Often Should You Schedule Service?

Once a year, at minimum. Most HVAC manufacturers, including Daikin, recommend annual preventive maintenance to keep your warranty valid and your system operating correctly.

If you have a heat pump that runs year-round for both heating and cooling, twice-yearly service makes sense — once in spring before cooling season and once in fall before heating season.

Durham Service Company is a Daikin Comfort Pro authorized dealer, which means our technicians are factory-trained on Daikin equipment. If you have a Daikin system, servicing with an authorized dealer keeps your manufacturer warranty intact.

Signs Your AC Needs Service Right Now

Don't wait for your annual appointment if you notice any of these warning signs.

Warm air from the vents. Your system is running but not cooling. This points to a refrigerant issue, a failing compressor, or a thermostat problem — none of which fix themselves.

Weak airflow. If the air coming out of your vents feels like a whisper instead of a strong flow, you may have a clogged filter, a failing blower motor, or ductwork issues.

Strange noises. Grinding, banging, or squealing sounds mean mechanical parts are wearing out. Catching them early is always cheaper than waiting.

Short cycling. If your AC turns on and off every few minutes instead of running full cycles, something is wrong. It wastes energy and stresses the equipment.

Water pooling near the unit. A small amount of condensation is normal. A puddle of water indoors or near your air handler is not — you likely have a clogged condensate drain.

A spike in your electric bill. If your usage habits haven't changed but your bill jumped, your AC is working harder than it should to do the same job.

What Happens During an AC Tune-Up?

A professional AC service visit from Durham includes a full inspection and cleaning of your system. Our technicians check refrigerant levels and look for leaks, clean the condenser coils on the outdoor unit, inspect the evaporator coil indoors, and test all electrical connections and capacitors. They also lubricate moving parts, check thermostat calibration, inspect and clean the condensate drain, check your air filter, and measure airflow and system pressures.

The goal is to catch anything that could cause a breakdown and confirm your system is running as efficiently as possible going into the hottest months of the year.

Don't Forget Your Air Filter

This one is on you, not your HVAC technician. Changing your air filter is the single simplest thing you can do to keep your AC healthy.

In Huntsville's hot summers, when your system runs constantly, check your filter every 30 days. A standard 1-inch filter typically needs replacing every 30-60 days during peak season. A thicker media filter may last 90 days, but check it anyway.

A dirty filter restricts airflow, makes your system work harder, and can eventually cause the evaporator coil to freeze — turning a $10 filter into a much more expensive service call.

The Cost of Skipping Service

Skipping annual maintenance doesn't save money. It moves costs around — from a predictable tune-up fee to an unpredictable emergency repair, often at the worst possible time.

According to the Department of Energy, a well-maintained air conditioner uses significantly less energy than a neglected one. In Huntsville, where cooling accounts for a large share of your summer electric bill, that efficiency gap adds up across the season.

Beyond energy costs, unaddressed issues shorten your system's lifespan. A quality Daikin system, properly maintained, can last 15-20 years. Neglect can cut that to 10.

Ready to Schedule?

Durham Service Company has served North Alabama homeowners and businesses for years. As a Daikin Comfort Pro authorized dealer, we service all makes and models of HVAC equipment — and we do it right the first time.

Don't wait until your system quits on the hottest day of the year. Contact Durham Service Company to schedule your AC service today.

When you think dependable, think Durham.