Furnace & heating
AC repair
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 estimateHVAC Company in Dallas, TX
Coldharbour Heating & Air is a Dallas HVAC company built around a simple promise: the price is written down before any work starts, and every repair carries a 365-day written guarantee. Dallas homes test that promise harder than most. A 1962 ranch in East Dallas with original galvanized ducts behaves nothing like a 2005 two-story in Far North Dallas, and a June heatwave turns both into urgent calls. We answer the phone live, 24 hours a day, at (430) 213-5796.
Why Dallas Homes Are Different
Dallas sits in a humid subtropical climate, which means two things for HVAC work. First, sustained summer temperatures above 95°F, with regular 100°F+ stretches, push cooling systems to their limits for months at a time. Second, the humidity breeds algae and sludge in condensate drain lines faster than drier cities see. We clear clogged drains in Dallas more often than almost any other single repair.
The housing stock adds another layer. Much of Dallas was built between the 1950s and 1980s, and a lot of those homes still have original R-11 attic insulation and galvanized steel ductwork. The clay soil beneath the city expands and contracts with moisture, which can shift slab foundations enough to misalign outdoor condenser units and create refrigerant line leaks. In older pier-and-beam neighborhoods like East Dallas and Oak Cliff, sagging floor joists can kink flexible duct runs under the house, strangling airflow to back bedrooms just as the western exposure turns them into ovens. Our technicians check for all of this on every Dallas call.
Styles & brands we work with
Our Main Dallas Services
These are the three calls we run most often across Dallas, each with its own detailed page covering pricing, timelines, and what to expect.
AC Repair in Dallas
Most Dallas AC failures follow the same seasonal pattern: a compressor that gives out during the third week of a heatwave, or a condensate drain that clogs and trips a float switch. High humidity makes drain-line algae growth a routine culprit here, and clay soil movement can cause slow refrigerant leaks at the condenser. AC Repair in Dallas covers our diagnostic process, what a typical repair costs, and how the 365-Day Done Right Promise applies.
Furnace Repair in Dallas
Dallas winters are shorter than up north, but the temperature swings are brutal on equipment. A furnace that sits idle for eight months, then fires up during a sudden November cold snap, often reveals a failed igniter, a cracked heat exchanger, or a blower motor that has seized. Furnace Repair in Dallas walks through the common failure points, realistic repair prices, and how same-day service works when a cold front hits.
AC Installation in Dallas
Replacing a system in Dallas means more than swapping boxes. Many 1960s-1980s homes need duct retrofits to move enough air for modern efficiency standards, and pier-and-beam foundations in older neighborhoods can complicate condensate routing and line sets. AC Installation in Dallas explains load calculation, proper sizing for a Dallas summer, and what a full replacement should cost with all the written pricing details.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Dallas
Our technicians work on the systems already in your home, not just one or two preferred labels. We service Trane, Lennox, Goodman, and Rheem equipment daily across Dallas, with common parts stocked on our trucks to avoid a second trip. See our brands page for the full list of what we carry and service.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Dallas, TX
| Service | Typical range in Dallas |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation (full system) | $3,500 – $7,500 |
| Seasonal tune-up | $80 – $200 |
| Condensate drain clearing | $150 – $300 |
| Capacitor replacement | $150 – $350 |
| Thermostat replacement | $150 – $400 |
| Blower motor replacement | $350 – $650 |
| Furnace igniter replacement | $150 – $280 |
What pushes a Dallas repair toward the top of a range is usually access: a condenser wedged against a fence in a tight Lake Highlands yard, or a furnace in an attic that hits 130°F by noon. Whatever the number, you get it in writing before we start. It does not change at the door.
Neighborhoods We Serve in Dallas
Our trucks run all over Dallas, from the pier-and-beam streets of East Dallas to the slab-on-grade ranches of Richardson, and we know which homes tend to have which problems. Most calls get same-day response when booked before noon.
- Lakewood
- Oak Cliff
- Preston Hollow
- Lake Highlands
- Far North Dallas
Service Area – Cities Near Dallas
Beyond Dallas proper, we regularly run calls into the surrounding metro. Whether it’s an older ranch in Irving, TX, a two-story in Addison, TX, a 1990s subdivision in Carrollton, TX, or a slab foundation in DeSoto, TX, the same written pricing and 365-day guarantee apply.
Serving Dallas, TX - Our Local Coverage Area
We’re based in the Dallas 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 HVAC Company in Dallas
Most Dallas calls receive same-day service when booked before noon, and our phone line is answered by a live person 24/7. No voicemail tree, no after-hours runaround. Call (430) 213-5796 and you’ll speak to someone who can schedule a technician.
Dallas requires permits for most HVAC installations and some major repairs, and the city’s inspection process can vary by neighborhood. We handle permit paperwork as part of installation jobs and ensure the work passes Dallas code before we call it done.
Yes. We run calls throughout Dallas proper and into surrounding cities including Irving, Addison, Carrollton, and DeSoto. Scheduling is coordinated from our Dallas-Fort Worth office, with crews dispatched locally to keep response times short.
If your AC or furnace is acting up, call (430) 213-5796. A live person answers, and your price is in writing before any work begins.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Dallas Customers Say
"Thermostat and a weak blower. Fixed both in one visit, explained the guarantee, and didn't leave a mess. I've already recommended them to my neighbor."
- Natalie Esposito"Replaced our old system. Good crew and a fair price. The install took most of a day which was longer than I expected, but they didn't cut corners and cleaned up everything."
- Kenny Barlow"AC died overnight with a newborn in the house. They bumped us up the list and had it running by noon. I about hugged the guy. Fair price even on a rush call."
- Celeste Ngo