Shops · Barndominiums · Garages · Additions

Ductless Mini-Splits in Fort Smith & Poteau

Professional mini-split installation for spaces without ductwork. TCL, Mitsubishi, Daikin, and all major brands. Single-zone and multi-zone systems. Properly sized, cleanly installed, line set hide covers included. Free quotes. 0% financing available.

Licensed & Insured
🛡️Manufacturer Warranty
Family-Owned
$0% Financing
Clark HVAC ductless mini-split installation with professional line set hide cover at a Fort Smith area home All Brands
Family-Owned & Operated Based in Spiro, OK All Major Brands Serviced Flat-Rate Pricing
Why Mini-Splits Are Our Specialty

Done Right. Done Clean.

We've installed mini-splits in everything from coach's offices and home gyms to 3-zone barndominiums and detached shops. We know how to size them right, mount them right, and finish the install with line set hide covers so your job actually looks professional when we leave.

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Properly Sized

We do real BTU calculations based on square footage, insulation, and use. No oversized units that short-cycle and waste energy.

Clean Install Finish

Line set hide covers on every install — your job doesn't look like spaghetti tubing taped to the wall. It looks like the equipment belongs there.

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All Major Brands

TCL, Mitsubishi, Daikin, Carrier, LG, Gree, Pioneer — we install and service every major brand. Real flexibility to fit your budget.

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0% Financing

0% financing for qualified customers. Apply by text in seconds — most decisions come back the same day.

Where Mini-Splits Make Sense

8 Spaces That Are Perfect for Ductless

Mini-splits aren't the right answer for every job — but for these specific use cases they're often the smartest, cheapest, and cleanest option. Here's what we install most.

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Shops & Workshops

Detached shops, work bays, and out-buildings without ductwork. Insulated metal buildings cool fast with the right mini-split.

Single or multi-zone
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Barndominiums

Open-concept barndominiums are tough for central HVAC. Multi-zone mini-splits handle the loft, living area, and bedrooms independently.

Multi-zone shines
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Garages & Finished Bays

Working in a 110°F garage in July or a 30°F garage in January? Mini-splits make detached or attached garages comfortable year-round.

Single zone, fast install
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Mobile Homes

Replace failing central units in mobile homes with mini-splits — often cheaper, more efficient, and easier to maintain long-term.

Common in our area
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Home Additions

Bonus rooms, sunrooms, in-law suites, additions over a garage — anywhere extending existing ductwork doesn't make sense.

No duct modification
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Bonus Rooms Over Garage

The room your central AC never quite cools. A small mini-split solves it permanently and costs less than ductwork modification.

Most common job
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Home Offices & Server Rooms

Working from home? A server rack running hot? Mini-splits give you precise temperature control without affecting the rest of the house.

Quiet operation
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Older Homes Without Ducts

1940s and earlier Fort Smith homes built without ductwork. A multi-zone mini-split is way cheaper than retrofitting central HVAC.

Whole-home option
Brand Honesty

Why We Install a Lot of TCL.

Mitsubishi is the most-marketed mini-split brand in the country. Their units are excellent — and they cost a premium for the name. TCL makes a comparable mini-split at a fairer price point, with the same essential features: inverter compressors, multi-zone capability, heat down to about 5°F, quiet operation, and reliable warranties. That's what we install most often across Fort Smith, Poteau, and the surrounding River Valley.

That said, we install whatever makes sense for your project. Want a premium Mitsubishi or Daikin? We'll install it. Building a high-end barndominium and want best-in-class? Done. Outfitting a shop on a budget and want value? TCL is the smart call. We won't talk you into paying extra for a name when a more affordable brand performs just as well — that's not how we operate.

Whatever brand you pick, we install it right. Proper line set, vacuum to spec, torque-checked connections, leak test, and clean line set covers. Every mini-split install gets the same workmanship regardless of brand or budget.

All
Major Brands
1–5
Zones Per Install
0%
Financing Available
Clark HVAC professionally installed TCL ductless mini-split on a black barndominium with clean line set hide cover
Mini-Split vs Window Unit

6 Reasons Mini-Splits Beat Window Units

A window AC is cheap up front but expensive over time. Loud, inefficient, ugly, vulnerable to break-ins, and they only cool one room while heating the rest of your electric bill. Here's why mini-splits are the better long-term call.

3x More Efficient

Inverter-driven mini-splits use a fraction of the electricity a window AC pulls. Lower monthly bill, especially during Arkansas summers when AC runs 12+ hours a day.

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Whisper Quiet

Window units sound like a jet engine. Mini-split indoor air handlers run at 19–30 decibels — quieter than a refrigerator. Sleep, work, or watch TV without raising your voice.

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Heats AND Cools

One unit handles summer AND winter — window units only cool. Mini-split heat pumps efficiently heat down to about 5°F, well below Fort Smith and Poteau winter lows.

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You Keep Your Window

Mini-splits mount to the wall — you don't lose a window. The outdoor unit sits outside on a pad. Your view, light, and security stay intact.

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Looks Professional

A well-installed mini-split with line set hide covers looks like the house was built with it. A window unit dropping condensate water down the side of the house — not so much.

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15–20 Year Lifespan

A quality mini-split lasts 15-20 years with basic maintenance. A window unit's lifespan is 5-10 if you're lucky. Cost-per-year, mini-splits win big.

Ready to ditch the window unit? Call (918) 839-3734 for a free mini-split quote — we'll size, price, and schedule it on one call.

Clark HVAC TCL ductless mini-split outdoor unit with professionally installed line set hide cover on a stucco wall
Single-Zone vs Multi-Zone

How Many Zones Do You Need?

A "zone" is one indoor air handler — the unit on the wall (or ceiling) that actually delivers the conditioned air. The outdoor condenser is shared. Most mini-split projects fall into one of two camps:

Single-zone (1 indoor unit): The right call for one room or one space — bonus room, garage bay, sunroom, shop. Cheaper to install, more efficient than multi-zone systems pound-for-pound, and easier to size correctly. Most of the jobs we do are single-zone.

Multi-zone (2–5 indoor units): The right call for barndominiums, whole homes, or any space where you need independent temperature control across multiple rooms. One outdoor condenser feeds all the indoor heads. More flexible, more expensive, slightly less efficient than running separate single-zone systems but far more practical to install and maintain.

Not sure which one you need? Tell us about your space and we'll recommend the right setup — including whether a mini-split is even the right answer or if a different system makes more sense for your situation.

Our Install Process

What Goes Into a Proper Mini-Split Install

A bad mini-split install will leak refrigerant, run noisy, ice up, or quit working a year later. Here's what a Clark HVAC install actually involves — the difference between a job done right and a job done fast.

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1. Load Calculation

BTU sizing based on square footage, insulation, ceiling height, sun exposure, and how the space is used. Oversized units short-cycle and waste energy.

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2. Placement Planning

Indoor head positioned for proper airflow coverage. Outdoor condenser placed on a level pad, away from bedrooms, with proper clearance for service.

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3. Clean Line Set Routing

Shortest practical refrigerant line run with proper bend radius. Insulated all the way. Wall penetration sealed against weather, insects, and air leaks.

4. Code-Compliant Electrical

Disconnect at the outdoor unit. Wire gauge matched to system load. Whip and conduit installed clean. Permits pulled when required.

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5. Vacuum & Pressure Test

Lines pulled down to a proper vacuum (250 microns), held to verify no leaks, then charged to manufacturer spec. Skipping this step kills systems early.

6. Line Set Hide Cover

Plastic line set hide cover (white or black to match siding) over the refrigerant line run. Makes the install look professional, not jury-rigged.

Want to see the difference? Call (918) 839-3734 and we'll come out, look at your space, and quote it.

2026 Refrigerant Update

What the R-32 / R-454B Transition Means for You

Starting January 1, 2026, all new residential heat pump systems — including mini-splits — must use refrigerants with a global warming potential (GWP) of 700 or lower under the EPA's Technology Transition Rule. That means new units now use R-32 or R-454B instead of the older R-410A that was standard for the last 15+ years.

What this means for you as a buyer: Most new mini-splits being sold and installed in 2026 use R-32 (which TCL, Daikin, and many others have standardized on) or R-454B (favored by Carrier, Trane, and some others). Both refrigerants are more environmentally friendly and slightly more efficient than R-410A — but they're also classified as A2L (mildly flammable), which means stricter installation codes and proper certified technicians.

The practical impact: Some 2026 quotes are running higher than last fall's prices as contractors clear out old R-410A inventory and transition to new refrigerants. Also, that $2,000 federal heat pump tax credit you may have counted on expired December 31, 2025 — so the federal tax break on mini-splits is gone for now.

What we do about it: We install current-code-compliant systems with the right refrigerants for your equipment, pull a proper vacuum, charge to spec, and document everything for your manufacturer warranty. We don't install on the cheap with old R-410A units pulled from a warehouse — that creates warranty and service problems down the road when those units age and refrigerant gets harder to source.

Got questions about the refrigerant transition? Call (918) 839-3734 — we're happy to walk you through how it affects your specific project.

How It Works

From First Call to Cold Air

No confusing process. No pushy salespeople. Three simple steps to a properly installed mini-split that lasts 15-20 years.

1

Call or Email

Reach us at (918) 839-3734 or service@clarkhvac.co. Tell us about the space — size, use, brand preference if any.

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Free On-Site Quote

We visit your space, take measurements, recommend the right size and brand, and give you written pricing — no high-pressure pitch, no surprise charges.

3

Install Day

You approve the quote. We install the system — single-zone in one day, multi-zone in 1-2 days — and walk you through the remote and app before we leave.

Customer Reviews

What Mini-Split Customers Say

5.0 stars across 62+ verified Google reviews from real homeowners and business owners across Fort Smith, Poteau, and surrounding towns.

★★★★★

"Clark HVAC has been awesome to work with from start to finish. They are professional, prompt, fairly priced, and friendly. Highly recommend!"

Rebecca Roark
Verified Google Review
★★★★★

"Bryon was great to work with. Professional, knowledgeable, and got the job done quickly. Will definitely use Clark HVAC again."

Jordan Potter
Verified Google Review
★★★★★

"Highly recommend Clark HVAC! Excellent work, great customer service, and very fair pricing. Worth every penny."

Autumn Konkle
Verified Google Review
FAQ

Ductless Mini-Split FAQ

Common questions about ductless mini-split systems, installation, and brands. Don't see your question? Call (918) 839-3734 and we'll answer it on the spot.

How long does ductless mini-split installation take?
Most single-zone mini-split installs complete in one day — typically 4 to 8 hours. Multi-zone systems (two or more indoor units) usually take 1 to 2 days. We coordinate every install around your schedule and never leave a job half-finished overnight.
What mini-split brands does Clark HVAC install?
We install all major mini-split brands. TCL is what we install most often — they offer excellent performance and reliability at a fair price point — but we also install Mitsubishi, Daikin, Carrier, LG, Gree, Pioneer, and others depending on customer preference, application, and budget.
How much does a ductless mini-split installation cost?
Mini-split pricing depends on system size (BTU capacity), number of zones, brand, mounting complexity, and line set length. Single-zone systems are significantly less than multi-zone setups. We provide free, upfront written quotes after evaluating your space — no surprises, no padded estimates. Call (918) 839-3734 for a free quote tailored to your project.
Do you offer financing on mini-split installations?
Yes. We offer 0% financing for qualified customers on mini-split installations. We can text you the application link in seconds and most decisions come back the same day, so you can move forward without waiting on bank approvals.
Where do mini-splits make sense?
Mini-splits are the right fit for spaces without existing ductwork or where running new ducts is impractical: shops, barndominiums, mobile homes, garages, finished basements, sunrooms, home additions, bonus rooms, in-law suites, home offices, server rooms, and detached buildings. They also work well as supplemental cooling for rooms your central system can't quite keep up with.
Can mini-splits heat my space in Arkansas-Oklahoma winters?
Yes. Modern mini-split heat pumps efficiently heat down to about 5°F outdoor temperature without needing backup heat — well below the typical Fort Smith and Poteau winter low. Cold-climate models extend that even lower. For most homes, shops, and barndominiums in the River Valley, a properly sized mini-split handles heating year-round.
What size mini-split do I need?
Mini-split sizing depends on square footage, insulation quality, ceiling height, window count and orientation, and how the space is used. As a rough starting point, a well-insulated 400 sq. ft. bonus room typically needs around 12,000 BTU (1 ton), and a 1,500 sq. ft. shop or barndominium often needs 24,000 BTU or more. We do a load calculation on every install to get the right size — oversized units short-cycle and undersized units run constantly.
What areas do you install mini-splits in?
We install ductless mini-splits throughout Fort Smith, AR, Poteau, Pocola, Spiro, OK, plus Van Buren, Barling, Greenwood, Lavaca, Alma, Sallisaw, Heavener, Muldrow, Roland, and surrounding communities on both sides of the Arkansas-Oklahoma border.
What refrigerant do new mini-splits use?
As of January 1, 2026, new residential heat pump systems including mini-splits use lower-GWP refrigerants like R-32 or R-454B instead of the older R-410A, per the EPA Technology Transition Rule. We install code-compliant systems with the current refrigerants and pull a vacuum, charge properly, and document everything for your warranty.
How long does a ductless mini-split last?
A well-installed, properly maintained mini-split typically lasts 15 to 20 years — longer than a traditional central AC. They have fewer moving parts than ducted systems and don't deal with the same dust and debris ductwork accumulates. Annual filter cleaning and a yearly professional check are the keys to maxing out lifespan.
Can I install multiple zones with one outdoor unit?
Yes. Multi-zone mini-splits pair one outdoor condenser with two or more indoor air handlers (typically 2, 3, 4, or 5 zones) — each zone independently controlled. Multi-zone is the smart move for whole-home or whole-shop conditioning. Single-zone systems are simpler and more efficient when you're only conditioning one space.
Do you service and repair existing mini-splits?
Yes. We repair and service all major mini-split brands — diagnostics, refrigerant leak repair, control board replacement, blower and fan motor service, drain line cleaning, capacitor replacement, and annual maintenance. Doesn't matter who installed it — we'll work on it.
Mini-Split Service Area

Where We Install Mini-Splits

We install ductless mini-splits 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

Ready for a Mini-Split?

Free on-site quotes. All major brands including TCL, Mitsubishi, Daikin, and Carrier. 0% financing for qualified customers. Single-zone or multi-zone — we'll size and price it on one visit.

(918) 839-3734
Find Us

Based in Spiro — Mini-Splits Across the River Valley

21196 Jake Smith Rd, Spiro, OK 74959 — installing mini-splits across 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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Mini-Split Area
Fort Smith, Poteau, Pocola, Spiro & surrounding towns
Last updated: May 2026