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.
HVAC Company in The Colony, TX
Most HVAC calls in The Colony run $150-$700 for repairs and $3,500-$7,500 for full system replacements, with same-day service available when your AC quits in July or your furnace fails during a January ice storm. Coldharbour Heating & Air dispatches technicians from our Dallas-Fort Worth office to The Colony daily, and a live person answers our phones 24 hours a day at (817) 402-2972. The lakefront humidity and aging 1970s housing stock here create repair patterns we don’t see in inland suburbs, so we stock parts and tools specifically for the conditions your system faces.
Why The Colony Homes Are Different
The Colony sits directly on Lewisville Lake’s southern shoreline, and that sustained ambient humidity is measurably higher than what inland DFW suburbs like Frisco or Allen experience. Your HVAC system carries a heavier latent load here, which accelerates coil fouling and duct sweating and makes proper dehumidification capacity a non-negotiable sizing consideration, not an afterthought.
The city’s origins as one of North Texas’s first large master-planned communities means entire neighborhoods hit 40 to 50 years old simultaneously. Original flex ductwork has baked and crumbled through thousands of 140°F+ attic summers. The expansive black clay soils of Denton County shift seasonally, tilting exterior condenser pads, racking duct connections at boots, and creating refrigerant-line stress that technicians in sandier-soil suburbs rarely see as often.
In the original 1970s-era neighborhoods, it’s common to find the entire house served by a single undersized return-air grille cut into a central hallway ceiling. That builder shortcut was marginally acceptable for the 2.5-ton systems installed at construction, but it creates chronic negative pressure, elevated humidity, and hot spots now that homeowners have upgraded to 4- or 5-ton units. No equipment swap fixes this without cutting in additional return pathways.
Our Main The Colony Services
Homeowners in The Colony call us most often for cooling repairs in the humid summer months and heating repairs during winter ice events, plus full replacements when original systems finally give out. Each service has its own dedicated The Colony page with deeper detail.
AC Repair in The Colony
AC repair in The Colony means dealing with compressor strain from extended 100°F+ heat-index days and evaporator coils that foul faster from lakefront humidity. We carry capacitors, contactors, and refrigerant on every truck, and our technicians are trained to spot the duct-leak patterns common in original 1970s flex runs. Most AC repairs here run $150-$650, with a written price before any work begins and our 365-Day Done Right Promise on every fix. AC Repair in The Colony

Furnace Repair in The Colony
Furnace repair in The Colony often involves igniter failures and heat-exchanger stress from short-cycling caused by those undersized return pathways. Snap ice storms can push aging gas valves past their limits when systems fire after months of disuse. We stock hot-surface igniters, flame sensors, and gas valves for Trane, Lennox, Goodman, and Rheem systems, and we issue a written guarantee before leaving every job. Furnace Repair in The Colony

AC Installation in The Colony
AC installation in The Colony requires more than swapping boxes. We run full Manual J load calculations that account for lakefront humidity, inspect attic ductwork for bake-damage, and evaluate whether your return-air pathways can handle modern equipment airflow demands. Every installation gets a written fixed price, a scheduled install date, and rebate paperwork handled. AC Installation in The Colony

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 The Colony
Our technicians train on nine major residential HVAC brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common capacitors, contactors, and control boards for Trane, Lennox, Goodman, and Rheem systems locally, which keeps most The Colony repair calls to a single visit. our brands
Pricing for HVAC Company in The Colony, TX
| Service | Typical range in The Colony |
|---|---|
| AC Repair | $150-$650 |
| Furnace Repair | $150-$700 |
| AC Installation | $3,500-$7,500 |
| Tune-Up | $80-$200 |
What pushes prices toward the higher end in The Colony: buried ductwork in original 1970s homes that requires attic crawling, refrigerant-line replacements when black-clay soil shifts have stressed copper, and return-air modifications to correct negative pressure from single-grille designs. Every job gets a written price before any work begins, and that price does not change at the door. That’s The Kingswell Way.
Neighborhoods We Serve in The Colony
We work across The Colony’s full range of housing eras, from original 1970s builds to newer lakefront and Grandscape-area properties. Most calls reach a technician within the same day.
- The Tribute
- Stewart Peninsula
- Castleglen
- Harbor Point
- Grandscape area
Service Area – Cities Near The Colony
Our Dallas-Fort Worth office dispatches crews throughout the northern metro, including Little Elm, TX to the north, Lewisville, WA to the west, Lake Dallas, TX to the northwest, and Carrollton, TX to the south. Scheduling is coordinated centrally; technicians arrive with The Colony-specific parts and local knowledge for every call in our coverage zone.
Serving The Colony, TX - Our Local Coverage Area
We’re based in the The Colony 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 The Colony
Most repair calls in The Colony are scheduled same day, and our phones are answered by a live person 24 hours a day, 7 days a week. For AC failures during extreme heat or no-heat calls in freezing conditions, we prioritize health-risk situations and dispatch as fast as road conditions allow. Call (817) 402-2972 to check current availability.
Some master-planned neighborhoods in The Colony, particularly newer developments near the lakefront, require HOA notification for exterior equipment changes. We handle permit pulls with the city when required for full system replacements, and our technicians note any HOA documentation you’ll need to file. Ask us during your estimate and we’ll walk you through what’s needed for your specific neighborhood.
Lewisville Lake’s southern shoreline puts The Colony in a sustained higher-humidity zone than inland DFW suburbs. Your system may be undersized for latent load, or original flex duct may be leaking conditioned air into the attic while pulling humid air through gaps. A proper load calculation and duct inspection usually reveal the cause. Call (817) 402-2972 for a free assessment.
Ready to schedule? Call Coldharbour Heating & Air at (817) 402-2972 for a free estimate. A live person will answer, day or night, and we’ll give you a written price 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 The Colony Customers Say
"Furnace wouldn't light the first cold morning. The guy walked me through what he was checking so I actually understood it. Replaced the igniter, wrote up the warranty, and it's been warm since."
- Alicia Romero"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"The repair was done well and quickly. Scheduling over the phone was a little clunky and I got transferred twice, but the tech himself was great and on time."
- Brett Haygood







Before
After
Before
After
Before
After