Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal 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 Furnace Repair Across South Houston
When your furnace quits on a cold January night in South Houston, you need someone who picks up the phone and shows up. That’s us. Furnace repair in South Houston typically runs $150 – $700 depending on what’s failed, and most jobs are done same day. We know the bungalows off Spencer Highway, the pier-and-beam houses near the old railroad tracks, and the slab homes around College Park. Call (832) 371-9862 and a live person answers, day or night.
Our Furnace Repair team has been working in South Houston long enough to know what these homes throw at us: rusted heat exchangers from humidity, flooded condensers after bayou storms, and blower motors that overheat in undersized ductwork. We don’t guess. We inspect, we write the price down, and we hand it to you before a single tool comes out.
Why Cold Harbour Heating and Air Houston Is South Houston’s Preferred Furnace Repair Company
Victor Mancini leads our operation, and he’s built the team around a simple idea: put everything in writing. We’re an independently owned and operated member of the Kingswell network, founded in 2003, and we run every South Houston job by The Kingswell Way: 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 it fails.
South Houston homeowners tell us the same story over and over: another company quoted one price on the phone, then jacked it up at the door. Or a repair failed six weeks later and nobody returned their calls. That’s exactly what our 365-Day Done Right Promise is built to stop. Every repair we do in South Houston comes with a written guarantee valid for a full year. If the repair fails in that window, we come back and correct it at no charge. Not a verbal promise. On paper.
We answer the phone with a live person 24 hours a day, 7 days a week. No voicemail trees, no “we’ll call you back in the morning” on a freezing night. Our technicians are background-checked, uniformed, and trained to service nine major residential HVAC brands, including Carrier, Trane, Lennox, and Goodman. Whatever’s already in your South Houston home, we can work on it.
Styles & brands we work with







Heating Repair in South Houston
Heating Repair in South Houston means dealing with systems that have been fighting this city’s climate for decades. The subtropical humidity doesn’t stop in summer. It seeps into furnaces year-round, rusting heat exchangers and corroding electrical connections in ways you just don’t see in drier climates. A heating repair here often starts with a diagnostic on a system that’s been idle through the long hot season, then suddenly asked to work hard on the first cold snap.
Most heating repairs in South Houston fall between $150 and $700. An ignitor replacement typically runs $150 – $280 parts and labor included. A blower motor or control board pushes toward the upper end. We write the exact price down before we start, and it doesn’t change at the door.
Heat Exchanger and Gas Valve Work
Heat exchangers in South Houston’s older furnaces crack from years of thermal cycling and moisture exposure. When we find one, we don’t patch it. We give you a straight answer on whether it’s safe to repair or time to replace. Gas valve repairs are common too, especially in homes where the furnace sits in a cramped closet with poor airflow and humidity buildup.
Ignitor and Blower Motor Replacement
Hot-surface ignitors fail without warning, usually on the coldest night you could pick. We stock common replacements for Carrier, Trane, Lennox, and Goodman systems so we can usually finish the job in one visit. Blower motors overheat in South Houston’s older duct systems, where undersized returns create high static pressure. We diagnose the root cause, not just the failed part.
Boiler Repair in South Houston
Boiler Repair in South Houston is less common than furnace work, but the homes that have boilers tend to be older, and they need a tech who actually understands hydronic systems. South Houston’s 1940s through 1970s housing stock includes a small number of boiler-heated homes, mostly in the older sections near the railroad corridor and off Spencer Highway. These systems have their own failure patterns: pump failures, air-locked radiators, and corroded zone valves from decades of mineral buildup.
Boiler repair work in South Houston runs in the same $150 – $700 range as furnace work, though repairs on older cast-iron boilers can occasionally exceed that if multiple components have failed. We’ll tell you the number before we start.
Circulator Pump and Zone Valve Service
A boiler that won’t circulate hot water usually has a failed circulator pump or a stuck zone valve. In South Houston’s humid environment, we also see corrosion on electrical connections that leads to intermittent failures. We replace what’s failed and verify the whole loop is working before we leave.
Expansion Tank and Pressure Issues
Older boiler systems lose their expansion tanks to rust, which causes pressure spikes and leaks. We check this every time we’re out. If your pressure relief valve is dripping or your radiators are cold on top and warm at the bottom, call us before a small problem turns into water damage.
Trusted Brands We Service in South Houston
Our technicians are factory-trained on Carrier, Trane, Lennox, and Goodman, plus five more major brands. We know the quirks of each. A Carrier control board from the 2000s fails differently than a Trane from the 2010s, and we know which parts are still available and which aren’t. For South Houston customers, we keep common parts stocked in our local service vehicles, which means less waiting between diagnosis and repair. When a part isn’t on the truck, our Houston parts network gets it to South Houston fast, usually same day.
We don’t try to sell you a new system because we’re not comfortable repairing the one you have. We fix what’s fixable. When repair genuinely isn’t the smart money, we tell you that too, with numbers to back it up.
Common Furnace Repair Problems We See in South Houston Homes
- Flooded condensers and control boards after heavy downpours. South Houston’s flat, low-lying terrain and poor drainage mean outdoor units routinely sit in standing water after summer thunderstorms. Homeowners flip the breaker too soon and burn out the board.
- Power surge damage after grid restarts. When the power comes back after an outage in South Houston, the surge can fry furnace control boards and capacitors. Older homes without whole-house surge protection are hit hardest, and the furnace sits dead until someone replaces the board.
- Rusted heat exchangers from relentless humidity. The subtropical climate here corrodes heat exchangers faster than in drier regions. A furnace that’s been in a South Houston home since the 1990s has been fighting moisture every single year.
- Blower motor failures in undersized ductwork. The 1940s – 1970s bungalows that dominate South Houston’s housing stock were built with smaller ducts than modern furnaces need. High static pressure makes blower motors overheat and fail repeatedly until the ductwork is addressed.
See the difference
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After
Before
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Before
AfterPricing for Furnace Repair in South Houston, TX
We believe in telling you the real numbers before you have to ask. Here’s what furnace repair work typically costs in South Houston:
| Service | Typical Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Tune-Up (Maintenance Visit) | $80 – $200 |
An ignitor replacement in South Houston usually runs $150 – $280 with parts and labor included. A blower motor might be $350 – $700. A control board replacement lands in the $300 – $600 range depending on the brand. What affects the final number: the age of your system, the availability of the failed part, and whether multiple components have failed. You’ll always get a written price before any work begins, and that price doesn’t change unless you approve additional work in writing first. Call (832) 371-9862 for a free estimate on your specific furnace problem.
We Also Serve Cities Near South Houston
Our techs cover South Houston and the surrounding communities every day. If you’re in Pasadena, La Porte, Channelview, or Houston proper, we handle Furnace Repair in South Houston and the whole metro area with the same written guarantees and 24/7 live phone coverage. Call and we’ll tell you when we can be there.
Serving South Houston, TX - Our Local Coverage Area
We’re based in the South Houston 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 Furnace Repair in South Houston
No. Never switch on a furnace or heat pump that’s been submerged or sitting in standing water. Water gets into the control board, the capacitor, and the compressor windings. Turning it back on before it’s dried and inspected can destroy the board instantly and sometimes start a fire. Shut off the breaker at the panel, leave it off, and call us at (832) 371-9862 so we can open the unit, dry the electronics, check the compressor, and tell you what’s actually salvageable. This is the exact call we run constantly in South Houston after summer thunderstorms.
South Houston’s proximity to the petrochemical corridor and the coast means salt-laden, chemically active air, and that accelerates corrosion on heat exchangers, burner assemblies, and control boards. Add standing water from the flat terrain and you get rust patterns that Pearland’s slightly higher, better-drained lots don’t experience the same way. The fix isn’t a special coating. It’s regular inspection of the heat exchanger and electrical connections so rust is caught before it becomes a carbon monoxide risk or a total system failure. Call us for a tune-up and we’ll give you a straight read on what the corrosion is doing to your furnace.
Yes, and we recommend them for South Houston homes specifically. When the grid restarts after an outage, the voltage spike hits every connected appliance. Furnace control boards and ECM blower motors are particularly sensitive. A whole-house surge protector installed at the panel absorbs that spike before it reaches your furnace. It’s a one-time installation in the $200 – $400 range typically, far less than a $600 board replacement plus a frozen night without heat. We can install one and inspect your existing furnace wiring in the same visit.
In most cases, yes. South Houston’s flat lots and poor drainage mean a condenser sitting directly on a ground pad is vulnerable to the standing water we see after heavy downpours. Raising the unit 12 to 18 inches onto a flood-rated stand or platform keeps water out of the control compartment and away from the compressor. It’s not a difficult job, and for homes in the Spencer Highway corridor or other low-lying sections where we routinely see flooded units, it’s the single best preventive step you can take. Call us and we’ll assess your specific lot and give you a written quote.
Start with a diagnostic. A furnace that won’t start after a blackout is usually a failed capacitor, a blown control board, or a tripped safety switch, and those are repairable for $150 – $700. If the system is 15+ years old, has a rusted heat exchanger, and the repair quote is more than half the cost of a new system, we’ll tell you that plainly and give you numbers for both paths. We don’t get paid on what we sell, which is the only way to make that conversation honest. Call (832) 371-9862 and we’ll send a tech to South Houston to give you a straight diagnosis and a written price.
Why This Matters in South Houston Specifically
Here’s something you won’t find on a generic furnace repair page: South Houston’s flat, low-lying terrain and poor drainage mean outdoor furnace components and condensers are routinely exposed to standing water after summer thunderstorms. Our techs regularly find flooded control boards and rusted heat exchangers in systems that were never designed for submersion. It’s a failure pattern we see far more in South Houston than in nearby communities like Pasadena or Deer Park that sit on slightly higher, better-draining ground.
Last July we were called to a 1960s brick bungalow off Spencer Highway where the furnace wouldn’t fire after a three-day power outage. Our tech found the outdoor condenser sitting in a shallow depression that had held a foot of floodwater, and the start capacitor on the blower motor had swollen and leaked. We replaced the capacitor, dried the control board, verified the refrigerant charge and heat exchanger integrity before restarting, and recommended raising the unit onto a flood-rated pad to prevent another compressor failure. That’s the kind of knowledge that only comes from working South Houston’s streets week after week.
The older homes around Spencer Highway, College Park, and the neighborhoods east of Highway 35 were built in the 1940s through the 1970s, and most still have their original undersized ductwork. That means blower motors run hot, static pressure climbs, and failures repeat until someone actually measures the airflow and addresses the duct system. We do that. We don’t just swap the motor and leave you to fail again next season.
Schedule Your Furnace Repair in South Houston Today
If your furnace isn’t heating, call (832) 371-9862 right now. A live person answers, we tell you when we can be in South Houston, and we show up in the window we promised. You’ll get a written price before any work starts, a written 365-day guarantee on the repair, and a tech who leaves your place cleaner than they found it. That’s how Victor Mancini runs Cold Harbour Heating and Air Houston, and it’s how every job in South Houston gets done.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Houston, serving South Houston and the surrounding communities since 2003.