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 Seabrook, TX
Most Seabrook homeowners pay between $150 and $700 for HVAC repairs and $3,500 to $7,500 for a full AC replacement, with same-day service available for heating and cooling emergencies. Coldharbour Heating & Air dispatches technicians from our Houston office to Seabrook daily, carrying parts for Goodman, Rheem, York, and Daikin systems so we don’t waste a trip. Call (817) 402-2972 and a live person answers, 24 hours a day.
Seabrook’s position on Clear Lake and Galveston Bay creates HVAC problems that inland Houston suburbs simply don’t see. Salt-laden air corrodes outdoor condensers in 3-5 years instead of the typical 12-15. Post-Hurricane Harvey flood-map updates placed large portions of the city in revised Special Flood Hazard Areas, legally requiring replacement equipment to sit above new Base Flood Elevations. And the sustained 85-95% relative humidity overwhelms undersized cooling coils while accelerating mold in ductwork. We built this page to explain what those conditions mean for your repair or replacement bill.
Our Main Seabrook Services
Seabrook homeowners call us most often for cooling repairs in July and heating repairs in January, with full system replacements spiking after major hurricanes flood equipment. Each service has its own dedicated Seabrook page with deeper detail.
AC Repair in Seabrook
AC repair in Seabrook means dealing with salt-corroded condenser fins, refrigerant leaks at pitting copper lines, and capacitors that fail early from the bay-area humidity. We stock capacitors, contactors, and refrigerant for Goodman, Rheem, and York systems on every truck, and we carry a portable recovery machine for systems that need a full refrigerant recharge (topping off the cooling fluid your AC needs to run). Most repairs run $150-$650, and we issue a written 365-Day Done Right Promise before leaving. AC Repair in Seabrook

Furnace Repair in Seabrook
Furnace repair in Seabrook rarely involves snow-load stress, but it does mean heat exchangers corroded by salt air that infiltrates attic vents, and igniters that fail from the thermal cycling caused by mild winters. We see more cracked heat exchangers in Seabrook’s 1970s ranch slabs near NASA Parkway than in newer construction, and we carry replacement igniters, flame sensors, and control boards for Rheem, Goodman, and York furnaces. Most furnace repairs cost $150-$700. Furnace Repair in Seabrook

AC Installation in Seabrook
AC installation in Seabrook now requires checking FEMA’s updated flood maps before setting a condenser pad height. Post-Harvey rebuilds often relocated air handlers from flooded first-floor closets to attics, and we regularly find those rushed relocations left long, uninsulated flex duct runs that sweat into insulation and grow mold at supply boots within two to three seasons. We size every replacement with a full load calculation, coordinate elevation requirements with local code, and provide a written fixed price before ordering equipment. AC Installation in Seabrook

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.
Why Seabrook Homes Are Different
Seabrook’s housing stock splits into three distinct categories, and each creates its own service pattern. The 1970s-1980s ranch-style slab homes near NASA Parkway have original ductwork in slab foundations, original furnaces in closets, and AC condensers that have baked in salt air for forty years. The waterfront and canal-front properties on elevated piers near the bay have equipment exposed to direct spray and wind, with outdoor units that corrode faster than anywhere else in the Houston metro. And the post-Harvey reconstructions completed 2018-2021 frequently moved air handlers to attics under rushed timelines, leaving duct systems that we now repair more often than the equipment itself.
The climate compounds everything. That 85-95% sustained relative humidity isn’t just uncomfortable; it forces your AC’s evaporator coil to work overtime stripping moisture from the air. An undersized system runs constantly without ever dropping the humidity low enough for comfort. After every named Gulf storm, extended power outages let interior humidity spike, and we get calls for mold remediation in ductwork and drain pans that sat wet for days.
Local code has changed too. Post-Harvey FEMA flood-map updates mean replacement HVAC equipment in many Seabrook neighborhoods must now install above the Base Flood Elevation. That can mean raised condenser pads, attic-mounted heat pumps, or platform installations that simply weren’t required before 2017. We check current maps on every replacement quote.
Brands We Service in Seabrook
Our technicians train on nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock capacitors, contactors, and igniters for Goodman, Rheem, and York on every Seabrook truck, with most other parts available next-day through our Houston supply house. our brands
Pricing for HVAC Company in Seabrook, TX
| Service | Typical range in Seabrook |
|---|---|
| AC Repair (minor: capacitor, contactor) | $150-$350 |
| AC Repair (moderate: refrigerant leak, coil) | $350-$650 |
| Furnace Repair (minor: igniter, flame sensor) | $150-$280 |
| Furnace Repair (major: heat exchanger, control board) | $400-$700 |
| AC Installation (standard split system) | $3,500-$5,500 |
| AC Installation (high-efficiency or heat pump) | $5,500-$7,500 |
| Seasonal Tune-Up | $80-$200 |
Seabrook prices run toward the higher end of these ranges when flood-elevation requirements demand raised platforms, extended refrigerant lines, or attic duct modifications. Salt-corrosion damage also adds cost when it has spread beyond the condenser to the copper lineset. Before any work begins, we hand you a written price that does not change at the door. That’s The Kingswell Way, not a special offer.
Neighborhoods We Serve in Seabrook
We dispatch to all Seabrook neighborhoods from our Houston office, with most calls reached within 45 minutes during business hours and emergency response available around the clock.
- Seabrook Island (waterfront and canal-front properties on elevated piers)
- Edgewater (post-Harvey rebuilds with attic air handler relocations)
- Mainland Point (1970s-1980s ranch slabs near NASA Parkway)
- Pinebrook (mixed-age housing with original and replaced systems)
- Repsdorph (bay-side streets with highest flood-elevation requirements)
Service Area – Cities Near Seabrook
Our Seabrook crews regularly cross city limits for homeowners in Kemah, TX along the Kemah Boardwalk corridor, League City, TX to the north and west, Bacliff, TX across the bay, and Webster, MA for the NASA-area housing stock. Each city has its own page with local conditions and pricing.
Serving Seabrook, TX - Our Local Coverage Area
We’re based in the Seabrook 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 Seabrook, TX
Yes. For AC repair and furnace repair, we offer same-day service when you call before early afternoon, and 24/7 emergency response for no-heat or no-cool situations. AC installation requires a scheduled visit for load calculation and measurement. Call (817) 402-2972 for availability.
Yes, the City of Seabrook requires permits for system replacements, and post-Harvey FEMA flood-map updates may require equipment to sit above the Base Flood Elevation. We pull permits and coordinate inspections on every installation. The permit cost is included in your written quote.
Salt-laden air corrodes uncoated aluminum condenser fins and copper refrigerant lines in 3-5 years instead of the 12-15 years typical inland. We recommend corrosion-resistant coatings on new installations and inspect coastal units more frequently during tune-ups.
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 Seabrook 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