AC repair
Furnace & heating
Heat pumps
Ductless mini splits
Carrier
TraneSeasonal 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 Repair Across Carrollton
When your air conditioner quits on a July afternoon in Carrollton, you need a straight answer and a fast fix. Most AC repairs in Carrollton run $150 – $650, and our technicians arrive ready to diagnose and repair the same day in most cases. We know Carrollton’s older slab homes, the clay soil that shifts ductwork, and the two-county permitting split that can stall a repair if your contractor doesn’t know which side of Josey Lane you’re on. Call (430) 213-5796 and a live person answers, 24 hours a day.
Why Cold Harbour Heating and Air Dallas Is Carrollton’s Preferred AC Repair Company
Homeowners in Carrollton call us because we write the price down before a single tool comes out, hand it to you, and it doesn’t change at the door. That’s part of the Kingswell Way, the five written standards every Cold Harbour job follows: say the price before the work, show up in the window given, leave the place cleaner than found, put the guarantee in writing, and come back if the repair fails.
We’ve been doing this since 2003 as an independently owned and operated member of the Kingswell network. Our technicians are background-checked and uniformed, and they’re trained on nine major HVAC brands, including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. Victor Mancini leads our team, and he holds every job to the same written standard, whether it’s a capacitor swap in a 1990s subdivision or a full system diagnostic on an original 1980s heat pump near Hebron Parkway.
Carrollton homeowners have learned that a no-show or a door-price jump isn’t something they have to accept. Our AC Repair team shows up when we say we will, and every repair carries the 365-Day Done Right Promise in writing. If that repair fails within a year, we come back and make it right at no charge. No argument, no conditional fine print.
Styles & brands we work with






AC Recharge in Carrollton
An AC Recharge in Carrollton means restoring the refrigerant level in your system, the cooling fluid your AC needs to pull heat out of your home. When a system is low on refrigerant, it’s usually because there’s a leak somewhere in the lineset, coil, or service valves. A recharge alone won’t fix a leak, and a good technician will test for the source before topping things off. In Carrollton, a recharge typically runs $150 – $450, depending on the refrigerant type and how much the system needs.
When Carrollton Homes Need a Recharge
Older Carrollton homes built from the 1970s through the 1990s often still run on R-22 systems. R-22 has been phased out of production, which makes recharging those units more expensive and pushes many homeowners toward system replacement. A well-maintained unit shouldn’t need refrigerant added at all. If yours does, there’s a leak that needs finding, not just topping off.
R-22 vs. R-410A Costs
If your system uses R-22, expect the higher end of the recharge range. R-410A systems, more common in homes built after 2010, cost less to recharge. Our technicians will tell you plainly whether a recharge makes sense or whether the money is better spent toward a new system. We won’t push a replacement on a system that only needs a minor repair.
Emergency AC Repair in Carrollton
Emergency AC Repair in Carrollton is what we do when the temperature inside your house hits 88 degrees at 9pm and climbing. A failed AC in a Texas summer isn’t just uncomfortable, it’s a health risk for older adults, infants, and anyone with respiratory issues. Emergency calls in Carrollton typically run $200 – $650, and a live person answers our phone around the clock. We don’t route you to a voicemail tree or tell you to wait until morning.
What Counts as an Emergency
A completely dead system, a burning smell from the air handler, or a compressor that’s short-cycling on a 100-degree day all qualify. If your system is running but struggling, a frozen evaporator coil or a clogged condensate line can also become an emergency fast, especially in Carrollton’s humid summer air. Call us, describe what the system is doing, and we’ll tell you straight whether it’s safe to wait or whether someone should come now.
Same-Day Response for Carrollton
We keep common parts stocked for Carrollton’s housing stock: capacitors, contactors, fan motors, refrigerant, and thermostat components. That means most emergency calls are completed in one visit. No “we’ll order the part and come back next week” unless it’s something genuinely uncommon. For Carrollton homeowners, that’s the difference between one hot night and three.
Trusted Brands We Service in Carrollton
We service all major residential brands, and we stock parts locally for Carrollton customers, which means faster turnaround when your system is down. Our technicians are trained on Carrier, Trane, Lennox, Daikin, Bryant, and American Standard among others. In older Carrollton neighborhoods near Josey Lane and Hebron Parkway, we still find first-generation Goodman and original Rheem heat pumps doing their best. We know them, we know their failure points, and we know what to check before condemning them. If your system is a brand we don’t stock parts for, we can usually source what’s needed within a day.
See the difference
Before
After
Before
After
Before
AfterCommon AC Repair Problems We See in Carrollton Homes
- Corroded round metal ductwork in 1970s – 1990s attics. Carrollton’s attic heat bakes original metal ducts for decades, and pinhole corrosion pulls 140-degree attic air into your return. That makes your AC run constantly and still leave the upstairs bedrooms warm. We repair or replace the affected trunk sections without requiring a full duct redo.
- Frozen evaporator coils from dramatic shoulder-season temperature swings. Spring and fall in Carrollton bring warm days and cool nights, which creates condensation and clogs drain lines fast. A frozen coil isn’t a sign of too much cooling, it’s a sign of restricted airflow or low refrigerant. We find the root cause, not just thaw the coil.
- Capacitor failures accelerated by clay-dust on condenser coils. Carrollton’s soil is heavy with clay, and dry spells send fine dust into outdoor units. Coated condenser fins force the system to work harder, which stresses capacitors until they fail. We check the coil condition whenever we replace a capacitor, so the new one doesn’t burn out before summer ends.
- Settling slab foundations stressing refrigerant lines and ductwork. Clay soil expands and contracts with moisture, and in Carrollton that movement can shift slabs enough to pinch refrigerant lines or separate duct joints. A system that worked fine last year can suddenly lose charge or blow cool air into the attic. We check for these stress points on every repair visit.
Pricing for AC Repair in Carrollton, TX
Here’s what Carrollton homeowners can expect to pay, with the price in writing before any work begins.
| Service | Typical Carrollton Price Range |
|---|---|
| AC Repair (general) | $150 – $650 |
| AC Recharge | $150 – $450 |
| Emergency AC Repair | $200 – $650 |
| Capacitor Replacement | $150 – $300 |
| Thermostat Calibration | $80 – $200 |
What pushes a repair toward the high end? Refrigerant type (R-22 costs more than R-410A), compressor or fan motor replacement, and the age of the system. What keeps it low? A simple part swap, a clogged drain line, or a thermostat calibration. Every quote includes the written price before we start, and every repair comes with the 365-Day Done Right Promise. Estimates are free. Call (430) 213-5796 and we’ll give you the number before scheduling.
We Also Serve Cities Near Carrollton
Our Carrollton customers are our priority, and our technicians also cover nearby Addison, Coppell, Dallas, and Irving. If you’re just over the line in any of those cities, the same written price, firm arrival window, and 365-Day guarantee apply. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, and crews serve Carrollton locally every day.
Serving Carrollton, TX - Our Local Coverage Area
We’re based in the Carrollton 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 Carrollton
We repair ductwork in Carrollton homes all the time, and no, you don’t have to replace everything before we’ll fix your AC. In a 1984 home near Josey Lane and Hebron Parkway, our tech found a first-generation Goodman heat pump short-cycling on a 103°F day. The original round metal ductwork had pinhole corrosion pulling hot attic air into the return. We corrected the refrigerant charge, replaced the corroded trunk section, and balanced static pressure. The system cooled properly after that. If your ducts have isolated damage, we fix those sections. If the whole duct system is undersized for your floor plan, we’ll tell you that plainly and give you options. Call (430) 213-5796 for an assessment.
That’s a classic Carrollton shoulder-season problem caused by dramatic temperature swings, clogged condensate drain lines, or slightly low refrigerant. In spring and fall, warm days and cool nights create condensation that clogs drain lines, which backs up water and freezes the coil. Low refrigerant can also cause freezing at milder outdoor temperatures, while summer heat masks the symptom. We clear the drain, test the refrigerant level, and check airflow. Ignoring it can damage the compressor. Call (430) 213-5796 to get it diagnosed before the next freeze-up.
Some Carrollton AC repairs require a mechanical permit, and which county issues it depends on which side of the county line your house sits. Carrollton is split between Dallas and Denton counties, and the same street can fall under different rules depending on the address. Our crews know exactly which county governs the permit for your side of Josey Lane, so your repair doesn’t stall at the inspection desk. We handle the permit paperwork when it’s required, and we’ll tell you upfront if your job needs one. Call (430) 213-5796 and we’ll check your address before we schedule.
A repair can restore what your current system is capable of, but it can’t make an undersized system cool a floor plan it was never sized for. Many Carrollton homes built in the 1970s through 1990s have single-zone systems struggling to balance a two-story layout that gets full afternoon sun on the west side. What we can do is verify the system is running at full capacity, seal and repair leaky ductwork to stop cooled air from escaping into the attic, and if the system is truly undersized, we’ll show you the load calculation numbers that prove it. Many homeowners are surprised how much a duct repair improves comfort without a full replacement. Call (430) 213-5796 for an honest assessment.
We service first-generation heat pumps, including original Goodman, Rheem, and Carrier units from the 1980s. We’ll repair what’s repairable and give you a written price before we start. What we won’t do is pour money into a system that’s already past its useful life without telling you the full picture. If your heat pump still holds charge, runs the compressor without overheating, and the ductwork is intact, a repair often makes sense. If the compressor is failing and the system still runs on R-22, we’ll show you the numbers on repair versus replacement and let you decide. No pressure, no scare tactics. Call (430) 213-5796 for a straight answer.
When the AC goes out in Carrollton, you need a company that picks up the phone, shows up when it said it would, and puts the price and the guarantee in writing. That’s exactly what we do. Call (430) 213-5796 for a free estimate, any time of day or night.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Dallas, serving Carrollton since 2003.