Clark HVAC: The Trusted Local Choice for Heating & Cooling in Fort Smith, Arkansas

When it comes to heating and air conditioning in Fort Smith, AR, you deserve a company that understands our weather, our homes, and what true customer service means. At Clark HVAC, we’re more than just another HVAC contractor—we’re your neighbors. As a local, family-owned business, we serve Fort Smith and all surrounding Sebastian County communities with honesty, speed, and expert craftsmanship.

Whether you’re in the historic Belle Grove District, off Rogers Avenue, in Fianna Hills, near the University of Arkansas-Fort Smith campus, or out by Ben Geren Park, we’re always nearby. From downtown lofts to ranch-style homes and new construction in Chaffee Crossing, we know Fort Smith’s unique HVAC needs inside and out.

Why Fort Smith Homeowners & Businesses Rely on Clark HVAC

• Deep Local Knowledge: We know Fort Smith’s neighborhoods, local building codes, and the types of HVAC systems found in older homes, downtown apartments, commercial buildings, and new construction alike. We tailor every job to fit the exact needs of your home or business.

• Lightning-Fast Service: Our technicians live and work here, so we’re always close by. Need a same-day AC repair in the middle of August? Emergency furnace fix during a winter freeze? We’re just a call away, with real 24/7 emergency service and no overtime charges.

• All Systems, All Brands: From ancient gas furnaces to the latest smart thermostats and high-efficiency heat pumps, we handle it all—repairs, installs, maintenance, and replacements for every brand and model.

• Upfront, Honest Pricing: We never play games with pricing—$90 for a diagnostic, $90 per hour for labor, and clear estimates before any work begins. No surprise fees, ever.

• Five-Star Reputation: We’ve earned Fort Smith’s trust through countless five-star Google reviews, word-of-mouth referrals, and honest, down-to-earth service.

Our Complete Fort Smith HVAC Services

Air Conditioning Repair, Installation & Replacement:
Summers in Fort Smith can be brutal, with temps in the 90s and humidity that feels like a sauna. If your AC is blowing warm air, leaking, making noises, or your electric bill is climbing, Clark HVAC is the team to call. We repair and replace:

• Leaking or low refrigerant

• Frozen evaporator coils

• Bad capacitors, relays, or contactors

• Clogged condensate lines

• Weak airflow or uneven cooling

• Outdated or failing thermostats

When it’s time for a new AC, we help you choose the perfect energy-efficient unit for your home’s size, insulation, and layout—helping you save money on utilities and stay cool all summer long.

Furnace & Heating System Repair, Installation & Maintenance:
Fort Smith winters can bring freezing nights and cold, damp mornings. We repair, replace, and maintain gas furnaces, electric heaters, heat pumps, and dual-fuel systems. Our team fixes:

• Ignition and pilot issues

• Dirty or cracked heat exchangers

• Blower motor and control board problems

• Noisy, unreliable, or failing heaters

We also offer seasonal tune-ups to keep your system safe and efficient before the first cold snap hits.

Ductless Mini-Split Installation & Service:
Older homes, add-ons, sunrooms, garages, or offices with no existing ductwork? Ductless mini-splits are the solution! We install and repair mini-split systems for targeted, energy-saving comfort in any room.

Duct Cleaning, Sealing & Airflow Optimization:
Dust, allergies, hot and cold spots, or sky-high bills? Our team inspects, cleans, and seals ductwork to keep your air fresh and your system running at peak performance.

Indoor Air Quality Solutions:
With Fort Smith’s mix of pollen, river valley humidity, and construction dust, clean air matters. We offer:

• Whole-home air purifiers

• HEPA and electrostatic filters

• UV lights for mold, viruses, and bacteria

• Dehumidifiers for muggy summers

• Humidifiers for dry winter air

Smart Thermostat Installation:
Upgrade to a programmable or WiFi-enabled thermostat for real energy savings and remote comfort control. We install and set up all leading models.

New Construction & Remodel HVAC:
Building a home in Chaffee Crossing, remodeling a historic downtown building, or finishing out a new business? We design and install complete HVAC systems for all types of construction, working with contractors and builders to get it right, every time.

Commercial HVAC Service:
Fort Smith businesses trust Clark HVAC for fast repairs, routine maintenance, system replacements, and new installs. From restaurants and retail to warehouses and offices, we keep local businesses comfortable and efficient.

24/7 Emergency Repairs:
No heat at midnight? AC out during a weekend wedding or business event? Call Clark HVAC for emergency HVAC repairs—day or night, holidays or weekends. No gouging, just real help.

Fort Smith: Local Roots, Real Service

We love this city—from the history along Garrison Avenue and the views from the Riverfront to neighborhoods like Park Hill, South Fort Smith, Sunnymede, Maybranch, Cavanaugh, and Massard. Our team supports local schools, community events, and charities, and believes in treating every customer like a neighbor—because you are.

We also serve all surrounding areas: Van Buren, Barling, Greenwood, Lavaca, Hackett, Bonanza, and more. Wherever you are in the Fort Smith metro, Clark HVAC is your hometown heating and cooling team.

Real-World Problems We Fix in Fort Smith Homes

• Old ductwork in Belle Grove and Park Hill homes causing uneven heating/cooling

• Overworked AC units in Fianna Hills and South Fort Smith

• Humidity and mold issues near the river

• Mobile home HVAC failures in rural Sebastian County

• Thermostat wiring issues in historic downtown buildings

• Frozen coils, dirty filters, and airflow problems after spring pollen storms

Customer Stories from Around Fort Smith

“Clark HVAC came out the same day when our AC died during a July heat wave in Sunnymede. Fast, friendly, and didn’t try to upsell us on stuff we didn’t need. Best HVAC company I’ve used in 20 years.” — Sarah T., Rogers Avenue

“They fixed our furnace at midnight before an ice storm. I’ll never call anyone else.” — Mike D., Park Hill

“Clark HVAC installed a mini-split in our new sunroom and it’s the most comfortable room in the house. Explained everything and finished fast.” — Janet W., Chaffee Crossing

Frequently Asked HVAC Questions – Fort Smith, AR

How quickly can you get to my house for a repair?
Usually same day—often within hours. Our techs are always working around Fort Smith.

Do you work on historic homes and older buildings?
Yes. We’re experienced with all types of properties, from century-old houses downtown to new builds.

What’s the most common AC issue in Fort Smith?
Dirty filters, frozen coils, and low refrigerant—especially after long stretches of hot, humid weather.

Can you help lower my electric bill?
Absolutely—we recommend and install high-efficiency systems, duct sealing, and smart thermostats to maximize energy savings.

Do you provide free estimates or second opinions?
Yes—just call or fill out our website form for a no-pressure quote.

Are you licensed, insured, and EPA certified?
Yes, we meet all local, state, and federal requirements. Safety and professionalism, always.

Do you work with home builders and contractors?
All the time! We handle new construction and remodel projects big and small.

Do you service Van Buren, Greenwood, or Barling too?
Yes, we serve all of Sebastian County and the greater Fort Smith area.

Ready for Five-Star HVAC Service in Fort Smith?

Call Clark HVAC at 918-839-3734 for the best heating, cooling, and air quality service in Fort Smith, AR. Or use our website to request your free estimate or book fast, friendly service. Discover why so many local families and businesses call Clark HVAC first—every season, every year!

Clark HVAC – Fort Smith’s most trusted HVAC company for honest, fast, and expert service.