Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Installation Across Keller
A full AC installation in Keller typically runs $3,500 – $7,500, depending on system size, efficiency rating, and the condition of your existing ductwork. Most installations take one to two days, and we start every job with a written price before any work begins. As your local Keller AC Installation team, we know the homes here, from Hidden Lakes to Marshall Ridge, and we quote jobs based on what your specific house actually needs. Call (817) 632-5499 for a free estimate, and we’ll send a background-checked technician with a live arrival time you can track to your door.

Why Halden Heating and Air Fort Worth Is Keller’s Preferred AC Installation Company
Keller homeowners don’t have patience for four-hour arrival windows, and neither do we. When you book with Halden Heating and Air, you get a live arrival time for a uniformed technician, not a vague “sometime between noon and four.” Our AC Installation crews work throughout Keller regularly, so we know the floor plans, attic layouts, and code requirements specific to this city. Andre Fuller, who leads our team, sets the standard: every job includes a written price before work starts, a written guarantee on every repair, and a free second visit if something fails.
Founded in 2004, Halden Heating and Air is part of the Relay Home Co. network of independently owned, locally operated HVAC businesses. Every install we do in Keller is backed by the 365-Day Done Right Promise, which means a full year of accountability on every completed job. If it’s not done right, we make it right. That’s the whole point.
Keller’s housing stock matters here. We’re not a company that sends a generic crew to a generic job. We know that homes in Hidden Lakes and Marshall Ridge often have original 10 – 12 SEER systems in tight attic closets with undersized returns. We know that two-story brick homes on larger lots struggle with uneven cooling in upstairs bedrooms. That local knowledge changes how we size equipment, how we seal ducts, and which brands we recommend. It’s the difference between an install that just meets code and one that actually keeps every room comfortable through a Keller August.
Styles & brands we work with







Heat Pump Installation in Keller
Heat Pump Installation in Keller is becoming the most common full-system replacement we do, and there’s a clear reason: a heat pump handles both cooling and heating in one unit, which fits Keller’s climate where we run AC hard from May through October but still get occasional winter freezes. The same system that cools your house during triple-digit July heat also heats it during a February cold snap. For older Keller homes replacing a 20-year-old AC paired with a gas furnace, a heat pump often makes more financial sense than replacing both units separately.
A heat pump installation in Keller runs within the same $3,500 – $7,500 range as a standard AC install, with the final number depending on SEER2 rating and whether you’re replacing just the outdoor unit or the indoor air handler too. Keller’s IECC code updates push homeowners toward higher-efficiency units, and a SEER2-rated heat pump qualifies for utility rebates that a bare-minimum unit won’t. We handle the rebate paperwork.
When a Heat Pump Makes Sense
If your furnace still works but your AC is dead, a heat pump can replace the AC side while your furnace stays as backup heat. If both systems are failing, a single heat pump handles both jobs. For Keller homes with electric resistance heat, the switch to a heat pump cuts winter heating costs sharply, sometimes by half or more.
What We Check Before Quoting
Before we quote any heat pump install in Keller, we run a Manual J load calculation on your actual floor plan, not a rule-of-thumb square footage guess. We measure return air capacity because undersized returns in 1990s attic closets are the leading cause of new system failures we see. If your ductwork leaks badly, we’ll quote the duct sealing or replacement as a separate line item so you know exactly what you’re paying for.
Ductless Mini Split Installation in Keller
Ductless Mini Split Installation in Keller has grown steadily as homeowners look for solutions to specific problem rooms that a central system can’t fix. A mini split is a wall-mounted indoor unit connected to a small outdoor condenser, and it heats and cools the room it’s in without any ductwork. For Keller homes with a bonus room over the garage, a converted attic space, or a sunroom that never gets comfortable, a mini split is often cheaper than extending ductwork and far more effective than a window unit.
A ductless mini split installed in Keller typically runs $3,500 – $7,500 depending on how many indoor heads you need and whether it’s a single-zone or multi-zone system. Single-zone installs sit at the lower end of that range; multi-zone systems covering three or four rooms hit the higher end. The price includes the outdoor unit, indoor wall unit, line set, electrical work, and a written installation guarantee.
Rooms Where Mini Splits Shine
The most common Keller call we get is for a second-floor bonus room over a garage that gets 10 degrees hotter than the rest of the house. A mini split solves that permanently. We also install them in finished attics, guest rooms above detached garages, and sunrooms with big west-facing glass that turns into an oven every afternoon.

Why Ductless Beats a Window Unit
A window unit is loud, ugly, and leaks conditioned air around the edges. A mini split is quiet, permanent, and efficient enough to qualify for rebates that window units never will. For Keller homeowners who’ve been limping through summer with a portable or window AC in one problem room, a ductless system is the fix that actually ends the battle.
Trusted Brands We Service in Keller
We install and service Goodman, Rheem, York, and Daikin systems throughout Keller, and we stock common parts for these brands locally so repairs don’t stall waiting on a shipment. When we recommend a brand for your Keller home, it’s based on what fits your floor plan, budget, and efficiency target, not on what’s overstocked in a warehouse. Every install gets the same written guarantee regardless of brand, and our technicians are factory-trained on each line. If you have a brand preference, we’ll quote it honestly, including whether a different brand would deliver better value for your house.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Keller Homes
- Undersized return air in 1990s attic closets. In Keller’s Hidden Lakes and Marshall Ridge subdivisions, original systems were often installed in tight utility closets with return ducts too small for the newer, higher-airflow blowers. The new blower works against high static pressure, trips limit switches, and shortens motor life. We correct this before installation, not after you’ve already paid.
- Two-story brick homes with no zoning and unbalanced duct runs. Keller’s larger two-story homes from the 2000s frequently have one thermostat for two floors and duct runs that favor the downstairs. Upstairs bedrooms run 8 – 10°F hotter. A proper load calculation and, in some cases, zoning dampers fix this for good.
- Condensers placed on sun-baked west walls. Keller summer heat is brutal on outdoor units. A condenser squeezed against a west-facing wall with poor clearance runs hotter, works harder, and kills capacitors within two seasons. We site new condensers with airflow clearance in mind, and we check placement on every quote.
- Sweating plenums and secondary drain pan failures by mid-June. In Keller’s humid late-spring weather, aging attic systems with poor insulation start sweating at the plenum, and primary drain lines clog, pushing water into the secondary pan. If the float switch fails, you get ceiling damage. We inspect for this on every install we touch.
Pricing for AC Installation in Keller, TX
A new AC installation in Keller runs $3,500 – $7,500 for most homes, and the range comes down to three things: system size, efficiency rating, and ductwork condition. A basic 14 SEER2 single-stage unit in a smaller home sits at the lower end. A higher-efficiency 17+ SEER2 heat pump with zoning dampers in a two-story hits the higher end. Here’s what you can expect:
| Service | Keller Price Range |
|---|---|
| AC Installation (full system) | $3,500 – $7,500 |
| AC Repair | $150 – $650 |
| Tune-Up | $80 – $200 |
Every quote is written and fixed before work starts. No door-step adjustments. If we find something during install that changes the scope, we stop and put the new price in writing before proceeding. Call (817) 632-5499 for your free estimate, and we’ll send the exact number to your phone before we ever set a foot in your attic.
We Also Serve Cities Near Keller
Halden Heating and Air serves Keller and surrounding communities including Southlake, Haltom City, Fort Worth, and Euless. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, and crews serve Keller locally, so when you call us for an AC installation in Keller, you’re getting a team that’s already in your neighborhood, not a company driving in from across the metroplex. Call (817) 632-5499 to book.
Serving Keller, TX - Our Local Coverage Area
We’re based in the Keller area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About AC Installation in Keller
Keller enforces current IECC energy codes, which means any new AC installation in Keller must meet stricter efficiency minimums and duct-sealing requirements than many neighboring towns. In practice, that means a bare-minimum builder-grade unit often won’t pass code, and duct leakage testing is required on most replacements. For you, this is good news: the code pushes installs toward higher-efficiency SEER2-rated systems that cost less to run. A SEER2-rated install also qualifies for utility rebates that offset the upfront difference. Call (817) 632-5499 and we’ll tell you exactly what your home needs to meet Keller code.
Uneven cooling in Keller two-story homes almost always traces back to ductwork, not the AC unit itself. Most 1990s – 2000s two-story brick homes in Keller were built with a single return and long supply runs that favor the downstairs, leaving upstairs bedrooms 8 – 10°F hotter. If your installer skipped a Manual J load calculation and just swapped in the same-size unit, the problem gets worse. Zoning dampers, return air correction, or a multi-zone mini split fixes this for good. Call (817) 632-5499 for a free assessment.
Almost never. R-22 refrigerant was phased out of production years ago, so topping off a leaking 22-year-old system runs into real money for a refrigerant that’s only going to get scarcer. And in Keller’s climate, a system that old has likely already lost efficiency and is running constantly just to keep up. Replacing it with a new SEER2-rated system typically cuts your summer cooling bill by a third or more. Given that Keller’s housing stock is full of systems hitting that 20 – 25 year mark right now, we replace more of these than we repair. Call (817) 632-5499 for an honest repair-versus-replace quote.
A sweating plenum is the metal or fiberglass box connecting your indoor coil to your ductwork that’s dripping with condensation. In Keller attics, where humidity runs high from May through September and attic temps routinely hit 130°F, a poorly insulated plenum sweats badly, and that moisture drips into insulation, promotes mold, and eventually rots the drywall below. When we install AC in a Keller attic, we inspect the plenum insulation as part of the job, and if it’s inadequate, we fix it before it becomes a ceiling stain. Call (817) 632-5499 for a free quote that includes a real look at your attic.
SEER2 is the new efficiency rating standard, and the higher the number, the less electricity your AC uses per unit of cooling. In Keller, where AC can run 10 – 12 hours a day during July and August, moving from a 10 – 12 SEER system to a 16 – 17 SEER2 system typically cuts cooling costs by 25 – 35%. On a $400 August electric bill, that’s roughly $100 – $140 back every month during peak summer. Over the life of the system in Keller’s climate, the efficiency upgrade pays for itself and then some. Call (817) 632-5499 and we’ll show you the math on your specific home.
Written by Andre Fuller, Owner at Halden Heating and Air Fort Worth, serving Keller and the surrounding Dallas-Fort Worth metroplex since 2004.