Seasonal 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.
Fast, Reliable AC Repair Across Argyle
AC repair in Argyle typically costs $150-$650 and is usually completed same day when you call before noon. Our AC Repair team dispatches from our Dallas-Fort Worth coordination office with technicians who already know the territory, from the master-planned streets of Harvest to the rural parcels off Old Justin Road where the next neighbor over might be half a mile away. Call (817) 402-2972 and a live person picks up, 24 hours a day, every day of the year.
We’ve been handling Argyle’s particular mix of housing since 2003. One call might take us to a 5,000 sq ft custom build where the original HVAC sub miscalculated the load, and the next to a propane package unit on a ranch property that predates the town’s growth. That range matters. The technician who arrives at your door has worked on both, and carries parts for Goodman, Rheem, and York systems on the truck.
Why Coldharbour Heating & Air Is Argyle’s Preferred AC Repair Company
Argyle homeowners have a long memory for who shows up and who doesn’t. We’ve built our reputation here on four written promises that make up The Kingswell Way: we say the price before the work starts, we show up in the window given, we leave the place cleaner than we found it, and we put our guarantee in writing. Every repair comes with the 365-Day Done Right Promise. If it fails within a full year, we come back and correct it at no charge. That guarantee is on paper before the technician leaves, not verbal, not conditional.
Our response time to Argyle runs same-day for most calls placed before noon, and our 24-hour live-answer desk means you’re never explaining your situation to a voicemail tree at 10 PM when the upstairs is 85 degrees. Technicians are background-checked and uniformed. You know who’s walking through your door.
The local knowledge runs deeper than directions. We know Argyle’s Cross Timbers clay soils shift hard in summer drought and winter freeze, stressing refrigerant line sets where they enter the foundation. We know the February 2021 ice storm put acute demand on heat pumps across Denton County. And we know that in Harvest and similar subdivisions, the builder’s original load calculation rarely accounted for finished bonus rooms and three-car garages that became conditioned space after the fact.
AC Unit Repair in Argyle
AC Unit Repair in Argyle covers everything from a system that won’t start at all to one that runs constantly without ever hitting the thermostat setpoint. Most calls fall into three categories: electrical component failure (capacitors, contactors, fan motors), refrigerant issues (leaks or charge problems), and airflow restrictions (dirty coils, failed blower motors, or duct damage). In Argyle’s newer custom homes, we also see a fourth category: correctable sizing and zoning problems where the original equipment was never adequate for the actual conditioned space. A typical AC Unit Repair in Argyle runs $150-$650, parts and labor included.
When the Compressor Runs But Nothing Cools
This usually points to a refrigerant leak or a failed capacitor. In Argyle, we check the refrigerant line sets first if the home sits on expansive clay, because seasonal soil movement can stress connections at the foundation penetration. A refrigerant recharge (topping off the cooling fluid your AC needs to run) gets you cooling again, but we always leak-test before adding refrigerant. Putting refrigerant into a leaking system is throwing money away.
Systems That Never Cycle Off
In Argyle’s large custom homes, especially in Harvest and similar subdivisions, a system that runs 18 hours a day often isn’t broken. It’s just too small. The original builder’s HVAC sub sized for the base floor plan, not for the finished game room, the conditioned three-car garage, or the converted attic space. We measure actual load against equipment capacity. Sometimes the fix is a repair. Sometimes it’s a frank conversation about supplemental cooling.
AC Capacitor Replacement in Argyle
AC Capacitor Replacement in Argyle is one of the most common calls we take, and it’s a repair that separates honest contractors from ones who upsell unnecessary work. The capacitor is a small electrical component that gives the compressor and fan motor the jolt they need to start. When it fails, you might hear a humming outdoor unit with no fan spin, or the compressor might try to start and shut off within seconds. In Argyle’s heat, capacitors take accelerated wear. A typical AC Capacitor Replacement in Argyle runs $150-$350, including the part, installation, and testing of the full electrical system. We always provide that price in writing before touching a tool.
Heat Damage and Summer Failures
Argyle’s summers regularly exceed 100°F for extended stretches, and that heat bakes the electrical components in your outdoor condenser. Capacitors are rated for a certain number of start cycles at a certain temperature. When the ambient temperature around the condenser runs 20 degrees above rating for weeks at a time, that lifespan shortens. We stock the most common capacitor ratings for Goodman, Rheem, and York systems on every truck, so most replacements happen in a single visit.
Post-Freeze Capacitor Calls
After a hard freeze like February 2021, we see a spike in capacitor failures across Argyle’s rural properties. Heat pumps working overtime in emergency heat mode draw heavy current. When the thaw comes and the system switches back to cooling, the weakened capacitor can’t handle the start load. We test capacitance and microfarad rating during every service call, not just when the symptom is obvious. Catching a weak capacitor early prevents compressor damage later.
Trusted Brands We Service in Argyle
Our technicians are trained to service nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Argyle customers, that training translates to faster diagnosis and parts availability. We stock common capacitors, contactors, and refrigerant fittings for Goodman, Rheem, and York systems locally, which means less waiting for a part run and more same-day completions. Whether your system is a two-year-old Daikin variable-speed unit in a new Harvest build or a 12-year-old Goodman package unit on a rural propane property, the technician who arrives can work on it.
Common AC Repair Problems We See in Argyle Homes
- Undersized systems in large custom homes. Builder-spec HVAC in Argyle’s 3,500-6,000 sq ft homes was frequently calculated for base square footage only. Finished bonus rooms, converted garages, and conditioned three-car garages added after initial construction push the original system past capacity. The compressor and blower motor run continuously and fail early.
- Refrigerant line damage from soil movement. Argyle’s Cross Timbers clay expands and contracts dramatically with moisture changes. That seasonal shifting stresses refrigerant line sets and duct connections where they pass through the foundation, causing slow leaks that drop charge over months.
- Propane and all-electric heat pump strain on rural parcels. Where natural gas lines never reached, properties rely on propane furnaces or all-electric heat pumps. These systems work harder during extended heat waves and ice storms, leading to capacitor failure, condensate drain freezing, and compressor overload.
- Retrofit mini-split demand in post-build conditioned spaces. Upstairs game rooms and garage workshops that were never in the original HVAC plan often need ductless mini-split installation to supplement the overtaxed central system. We regularly retrofit these in Harvest and similar subdivisions.
Pricing for AC Repair in Argyle, TX
Most AC repairs in Argyle fall between $150 and $650, with capacitor replacements at the lower end ($150-$350) and compressor or major electrical work toward the upper range. What moves the needle: the part required, whether the system needs refrigerant (and whether we find and fix the leak), accessibility of the equipment, and whether the repair addresses a symptom or the underlying cause. We don’t guess at your cost. A written price is handed to you before any work begins, and that price does not change at the door. Estimates are free. Call (817) 402-2972.
| Service | Typical Range in Argyle |
|---|---|
| AC Repair (general) | $150-$650 |
| AC Capacitor Replacement | $150-$350 |
| AC Installation | $3,500-$7,500 |
| Tune-Up | $80-$200 |
We were called to a 4,800 sq ft home in Harvest where the upstairs game room never cooled below 80°F; the builder’s single zoned system was two tons short for the conditioned space, so we retrofitted a ductless mini split and corrected the refrigerant charge on the main condenser coil. The next morning we were on a rural parcel off Old Justin Road where a propane heat pump had tripped on high head pressure - a failed capacitor was the culprit, and we had the system cooling again within the hour. Same technician skills, two very different Argyle properties.
We Also Serve Cities Near Argyle
Our service radius extends to Argyle neighbors in Flower Mound, Roanoke, Lake Dallas, and Denton. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, with crews serving each community locally. If you’re unsure whether your address falls in our coverage area, call (817) 402-2972 and we’ll confirm immediately.
Serving Argyle, TX - Our Local Coverage Area
We’re based in the Argyle 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 Repair in Argyle
Check your thermostat settings to confirm it’s in cooling mode, then look for ice on the outdoor coils or standing water near the indoor air handler. If you see either, turn the system off and call us. Propane heat pumps on Argyle’s rural properties work hard during freeze events, and the shift back to cooling often reveals a weakened capacitor or a frozen condensate drain that cracked in the thaw. Don’t attempt to remove ice yourself. Call (817) 402-2972 and we’ll diagnose safely.
Your builder’s original HVAC system was likely sized for the base floor plan, not for the conditioned square footage that includes the game room. We’ve measured this repeatedly in Harvest homes: the original load calculation missed 800-1,500 sq ft of finished space. The single zone can’t move enough air, and the upstairs duct runs are longest. A ductless mini-split retrofit to the game room often solves this without replacing the main system. Call (817) 402-2972 for a load assessment.
Most capacitors last 5-10 years, but Argyle’s summer heat accelerates wear. We recommend testing capacitance during your annual tune-up. If the reading drops more than 10% below the rated microfarads, replace it. A weak capacitor strains your compressor every time it starts, and compressor replacement costs far more than a $150-$350 capacitor call. Call (817) 402-2972 to schedule testing.
It changes what equipment you have, not how we approach the repair. Propane furnaces and all-electric heat pumps use the same refrigerant cycle for cooling as natural gas systems. Our technicians are trained on all configurations. The difference is in the heating side and in how hard your system worked during the last ice storm. We always check the full system, not just the immediate failure. Call (817) 402-2972 for service on any fuel type.
Most AC repairs in Argyle run $150-$650. The specific price depends on the part failed, whether refrigerant is needed, and whether we’re fixing a root cause or just a symptom. A capacitor replacement on a standard split system runs $150-$350. A refrigerant leak repair with recharge runs higher. We provide a written, fixed price before any work begins, and that price is guaranteed not to change. Estimates are free. Call (817) 402-2972 for your exact quote.
Written by Victor Mancini, Owner at Coldharbour Heating & Air, serving Argyle since 2003.







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