Stop Breakdowns Before They Start

HVAC Maintenance in Fort Smith & Poteau

Spring AC tune-ups, fall furnace check-ups, and seasonal maintenance plans that catch small issues before they become $2,000 emergency repairs. Lower bills, fewer breakdowns, longer equipment life. Ask about our maintenance plan — priority dispatch + discounted repairs included.

Licensed & Insured
🔧30-Day Service Guarantee
Family-Owned
$Plans Available
Clark HVAC technician performing seasonal HVAC maintenance and tune-up at a Fort Smith area home Plans Available
Family-Owned & Operated Based in Spiro, OK All Major Brands Serviced Flat-Rate Pricing
Why Maintenance Pays for Itself

Skip the $2,000 Breakdown.

Most "no AC" and "no heat" emergencies don't start as emergencies. They start as small problems — a dirty coil, a loose wire, a weak capacitor — that get ignored until the system fails on the hottest or coldest day of the year. Maintenance catches them first.

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Lower Energy Bills

Clean coils, proper refrigerant levels, and unrestricted airflow can drop your electric bill 10-20% — often paying for the tune-up itself.

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Fewer Breakdowns

We find weak capacitors, loose connections, and worn components before they fail — usually during the worst possible week.

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Priority Plan Members

Plan members get priority scheduling, discounted repair rates, and member-only perks. Call for current plan pricing.

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Protects Your Warranty

Most manufacturers require documented annual maintenance to honor the 10-year parts warranty. We document every visit.

What's Included in a Tune-Up

Real Maintenance. Not a Filter Change.

A lot of HVAC "tune-ups" are 15-minute visits where someone glances at the filter and signs the work order. Ours actually catches problems. Here's what we do on every visit.

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Airflow & Filtration

Filter inspection & replacement, airflow checks, return/supply restriction inspection.

Every visit
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Thermostat & Controls

Verify thermostat accuracy, confirm start-up & shutdown sequence, test safety controls.

Every visit

Electrical Inspection

Inspect connections for wear/overheating, tighten as needed, test capacitors and contactors.

Every visit
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Motors & Moving Parts

Inspect blower motor, fan motor, bearings. Address abnormal noise or vibration early.

Every visit
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Condensate Drain

Clear & flush drain lines, inspect pan and safety switches, prevent water damage from overflows.

Every visit
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Coils & Refrigerant

Inspect evaporator and condenser coils, clean accessible surfaces, verify refrigerant system health.

Every visit
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Outdoor Unit Check

Check debris, clearance, fan operation, condenser fins, and electrical disconnect condition.

Every visit
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Heating Safety Checks

Gas furnace burner inspection, heat exchanger check, CO testing, ignition & safety controls.

Fall visits
Our Maintenance Plan

Stop Thinking About It. Set It & Forget It.

Our seasonal maintenance plan handles your HVAC twice a year — automatically. One visit in spring to prep your AC before Fort Smith and Poteau summers hit 95°F. One visit in fall to check your heating before the first cold snap. We call you to schedule. You don't have to remember. Your equipment doesn't get neglected. And when something does need attention, you're already on the priority list.

Plan members get: two professional tune-ups per year, priority scheduling (you jump the queue for service calls), discounted repair rates on any work outside the contract, and a documented service history that protects your manufacturer warranty. We service plan members across Fort Smith, Poteau, Pocola, Spiro, and the surrounding area.

Call (918) 839-3734 for current plan pricing. We keep pricing off the website on purpose — pricing fluctuates with equipment type, age, and the number of systems on your property, and we want to quote you an honest number for your actual setup.

2x
Visits Per Year
Priority
Scheduling
Member
Repair Discounts
Clark HVAC technician performing HVAC maintenance and tune-up service at a Fort Smith area home
Warning Signs

6 Signs Your System Is Overdue for Maintenance

If any of these sound familiar, your HVAC is telling you it needs attention. None of them require a new system — but ignoring them long enough will get you there.

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Higher Energy Bills

Same usage, climbing electric bill? Dirty coils and worn components force the system to work harder for the same comfort. A tune-up usually fixes it.

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Weak or Uneven Airflow

Some rooms freezing, others sweating? Restricted airflow, a dirty blower, or duct issues. We diagnose the cause instead of just adjusting the thermostat.

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Noisy or Rattling System

New sounds mean new problems. Squealing belts, grinding bearings, banging at startup — all early warning signs that need attention before they get worse.

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Musty or Bad Smells

Mold inside the ductwork, slime in the drain line, dust burning on the coils — usually a maintenance issue, not a "buy a new system" issue.

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Hasn't Been Serviced in 2+ Years

Skipping maintenance for a year is risky. Skipping it for 2 or more years is how a $200 service call becomes a $2,000 emergency repair.

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Already Had a Breakdown This Year

One breakdown is bad luck. Two means the system is failing in patterns. We do a deep inspection to find what's actually going wrong.

Sound familiar? Call (918) 839-3734 and we'll get you scheduled for a maintenance visit before it turns into an emergency.

Clark HVAC seasonal maintenance plan customer with newly serviced HVAC system in Fort Smith area
What Plan Members Get

More Than Just Two Tune-Ups a Year.

Anyone can sell you a service plan. What actually matters is what comes with it. Here's what Clark HVAC maintenance plan members get year-round:

  • ✓ Two Scheduled Tune-Ups — Spring AC visit + fall heating visit. We call you to schedule.
  • ✓ Priority Dispatch — Plan members jump the queue when service calls back up.
  • ✓ Discounted Repair Rates — Reduced labor on any repairs outside the plan scope.
  • ✓ Documented Service History — Every visit logged. Protects your manufacturer parts warranty.
  • ✓ 30-Day Workmanship Guarantee — If something we serviced fails because of how we worked on it, we come back free.
  • ✓ No Auto-Renew Trap — You renew when it makes sense. No sneaky charges.

Plan pricing depends on the number of systems, equipment type, and property. Call (918) 839-3734 for an honest quote on your setup.

When to Schedule

Your HVAC Maintenance Calendar

Timing matters. Get your AC checked before the heat hits, your furnace checked before the cold front. Book early and we have flexibility — wait until something breaks and you're competing with everyone else for an emergency slot.

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March – April

Spring AC Tune-Up. Get your cooling system inspected and cleaned before the first 90°F day. This is the #1 best time of year to book.

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May – August

Peak Cooling Season. Maintenance plan members already covered. New customers welcome — but expect longer scheduling windows.

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September – October

Fall Furnace Check. Heating system inspection before the first cold front. Critical for gas furnaces — we test safety controls and CO levels.

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November – February

Peak Heating Season. Maintenance plan members already covered. Heat pump systems benefit from a mid-winter check if they run hard.

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Got Pets?

Extra Filter Service. Pet hair clogs filters fast — we recommend extra filter changes between visits. Plan members get supplies discounted.

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Got Allergies?

Indoor Air Quality. Ask about pairing maintenance with our indoor air quality solutions — UV lights, media filters, and humidity control.

Best time to book is right now — Call (918) 839-3734 and we'll get you scheduled before the rush.

The Real Cost of Skipping It

What Happens When You Skip HVAC Maintenance

A lot of homeowners treat HVAC like a smoke detector — set it, forget it, and hope it works when you need it. Then it dies on the first 95°F afternoon and the emergency repair bill is more than 5 years of maintenance would have cost. Here's what actually happens when you skip it:

Energy bills climb every year. Dirty coils insulate the refrigerant from the air, forcing the system to run longer for the same cooling. A neglected system can use 20-40% more electricity than the same system with clean coils and proper refrigerant.

Small problems become big problems. A weak capacitor caught at a $200 tune-up becomes a $1,500 compressor replacement when it fails and takes the compressor down with it. A clogged drain caught early becomes $4,000 in ceiling damage when it backs up and floods the attic.

Equipment dies years early. A central AC that should last 15 years dies at 8 because nobody cleaned the coils, the blower bearings went dry, and the refrigerant leak nobody knew about destroyed the compressor. Maintenance pays for itself just by extending lifespan.

Your manufacturer warranty gets voided. Most HVAC equipment warranties — including 10-year parts coverage — require documented annual maintenance. Skip it, and the manufacturer can deny the claim when something fails. We document every visit so you have proof if you ever need to file.

Call (918) 839-3734 and get scheduled before any of this happens to your system.

How It Works

How Maintenance Works

Simple. We come out twice a year, do the work, document everything, leave the place cleaner than we found it.

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Schedule Your Visit

Call (918) 839-3734 or email service@clarkhvac.co. Plan members get scheduled automatically — we call you when it's time.

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Full Inspection

Our tech runs through the entire checklist — airflow, electrical, coils, drains, refrigerant. Cleans what needs cleaning. Flags anything that needs attention.

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Documented & Done

You get a written report of what we did, what we found, and anything we recommend. Service history goes on file — protecting your warranty and tracking equipment health over time.

Customer Reviews

What Our Maintenance Customers Say

5.0 stars across 62+ verified Google reviews. Real homeowners and businesses across the Fort Smith and Poteau area.

★★★★★

"Bryon did a great job and a reasonable price! Efficient, knowledgeable, and friendly!"

Sara Folsom
Verified Google Review
★★★★★

"It was professional work! If you need your central heat and air cleaned or fixed, these are the ones to call!"

Linda Johnson
Verified Google Review
★★★★★

"Very happy with this service. Unit was not heating, found and fixed the problem quickly, and returned to replace a part. The cost was very reasonable."

Colleen Eberwein
Verified Google Review
FAQ

HVAC Maintenance FAQ

Common questions about HVAC maintenance, tune-ups, and our seasonal plan. Don't see your question? Call (918) 839-3734 and we'll answer it on the spot.

How often should I have my HVAC system serviced?
Twice a year is ideal — a spring AC tune-up before Fort Smith and Poteau humidity hits, and a fall furnace check before the first cold front. Heat pumps that run year-round, homes with pets, allergy sufferers, and older equipment benefit even more from twice-yearly maintenance.
What does an HVAC tune-up actually include?
A real maintenance visit covers airflow and filtration, thermostat operation, full electrical and mechanical inspection, condensate drain protection, coil inspection and cleaning, refrigerant system health check, and heating-specific safety checks during fall visits. Not just a quick glance and a clipboard signature.
How much does HVAC maintenance cost?
Tune-up pricing depends on whether you book a one-time visit or sign up for a seasonal maintenance plan. Maintenance plan members get reduced per-visit pricing plus priority dispatch and discounted repairs on any work outside the contract. Call (918) 839-3734 for current pricing.
Does Clark HVAC offer a maintenance plan?
Yes. Our seasonal maintenance plan covers two visits per year — a spring AC tune-up and a fall furnace tune-up — plus priority scheduling, discounted repair rates, and member-only perks. Call (918) 839-3734 for current plan pricing and to enroll.
Why is preventative maintenance worth the cost?
Annual maintenance routinely catches small issues — dirty coils, loose electrical, weak capacitors, clogged drains — before they become $2,000+ emergency repairs. It also lowers your energy bills 10-20% by keeping the system running at design efficiency, and extends equipment lifespan by years.
Do you maintain commercial HVAC systems?
Yes. We offer commercial maintenance contracts for restaurants, retail, offices, churches, daycares, and small businesses across the Fort Smith and Poteau area. Custom schedules, priority dispatch, equipment tracking by location, and consolidated invoicing for property management companies.
Will a tune-up actually lower my electric bill?
Yes, usually. Dirty coils, restricted airflow, low refrigerant, and worn motors all force your system to work harder for the same cooling or heating. A proper tune-up that cleans coils and corrects these issues typically drops cooling costs 10-20%. Most of that pays for the tune-up itself within a couple of summer months.
What areas do you service for maintenance?
We provide HVAC maintenance throughout Fort Smith, AR, Poteau, Pocola, Spiro, OK, plus Van Buren, Barling, Greenwood, Lavaca, Alma, Sallisaw, Heavener, and surrounding communities on both sides of the Arkansas-Oklahoma border.
What HVAC brands do you service?
We service every major brand including Carrier, Trane, Lennox, Goodman, Rheem, Bryant, York, American Standard, Mitsubishi, Daikin, and more — for central AC, furnaces, heat pumps, and ductless mini-splits. Your equipment doesn't have to be a brand we sell for us to maintain it properly.
Does maintenance void or maintain my equipment warranty?
Maintenance usually keeps your warranty valid — most manufacturers require regular professional maintenance to honor their parts warranty. Skipping it can actually void a 10-year manufacturer warranty. We document every visit so you have proof of service if a warranty claim comes up later.
Do you guarantee your maintenance work?
Yes. Every maintenance visit comes with a 30-day workmanship guarantee — if something we serviced fails because of how we worked on it, we come back and make it right at no charge. We also document every visit so you have a complete service history for your equipment.
What's the best time of year to schedule maintenance?
Schedule your spring AC tune-up in March or April — before the first 90° day catches you off guard. Schedule your fall furnace tune-up in September or October — before the first cold front. Booking ahead of the seasonal rush also means we have flexibility to work around your schedule.
Maintenance Service Area

Where We Service HVAC Systems

We provide HVAC maintenance and tune-ups throughout the Arkansas River Valley and Eastern Oklahoma. If your town isn't listed, give us a call — odds are we cover it.

Ready When You Are

Stop Waiting for Breakdowns.

Get your HVAC on a schedule. Call now to book a one-time tune-up or sign up for our seasonal maintenance plan — priority dispatch, discounted repairs, and one less thing for you to remember.

(918) 839-3734
Find Us

Based in Spiro — Maintenance Across the River Valley

21196 Jake Smith Rd, Spiro, OK 74959 — providing HVAC maintenance for Fort Smith, Poteau, Pocola, and surrounding communities.

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Visit / Mail
Clark HVAC
21196 Jake Smith Rd
Spiro, OK 74959
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Hours
Mon–Fri: 7:30am–4:30pm
24/7 Emergency Service Available
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Maintenance Area
Fort Smith, Poteau, Pocola, Spiro & surrounding towns
Last updated: May 2026