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 Alvin
When your furnace quits on a cold January night in Alvin, you need a repair crew that knows this city’s homes inside and out. Most furnace repairs in Alvin run $150 – $700, and the most common issues we see are failed ignitors, blower motor wear, and limit switch trips caused by restricted airflow. Our Furnace Repair team is led by Victor Mancini, and we answer the phone live 24 hours a day, 7 days a week. Call (832) 371-9862 and you’ll speak to a person, not a voicemail tree. We give you a written price before any work begins, and every repair carries our 365-Day Done Right Promise.
Why Cold Harbour Heating and Air Houston Is Alvin’s Preferred Furnace Repair Company
We’ve spent enough time in Alvin attics and closets to know what this city’s housing stock throws at us. The older bungalows off Gordon Street and along House Street have pier-and-beam foundations, tight closet furnace installs, and ductwork that has lived through decades of Gulf Coast humidity. The newer subdivisions west of Highway 35, near Morgan’s Landing and the neighborhoods around Alvin High School, have a different set of problems: attic systems with long duct runs, salt-laden air gnawing at outdoor equipment, and high static pressure from undersized returns. We know which failure mode is most likely before we even park the truck.
Being an independently operated member of the Kingswell network means we answer to a written standard, not a franchise playbook. Our technicians are background-checked and uniformed, and they carry the parts Alvin homes actually need: ignition components, gas valves, blower motors, and pressure switches for Carrier, Trane, Lennox, and Goodman systems. We coordinate dispatch from our Houston office, and crews reach Alvin quickly, whether you’re off FM 1462 near the junior college or in a subdivision off CR 190. Our 365-Day Done Right Promise isn’t a verbal promise. It’s a written guarantee: if the repair fails within a full year, we return and correct it at no charge.
Styles & brands we work with







Furnace Maintenance in Alvin
Furnace Maintenance in Alvin is not a luxury. It’s the difference between catching a corroded heat exchanger in October and discovering it on the first genuinely cold night of the year. A tune-up here runs $80 – $200 and takes about an hour. Our technician cleans the flame sensor, checks the gas valve output, tests the ignitor’s amp draw, measures static pressure across the blower, and inspects the heat exchanger for cracking. In Alvin’s humid climate, we also check for rust on the burner assembly, because condensate and salt-laden air work on metal parts year-round.
Static Pressure and Airflow Testing
In many older Alvin homes, the furnace works hard but the ductwork fights it. We measure static pressure on every maintenance visit. A reading above 0.5 inches of water column tells us the system is choked, often by corroded galvanized ductwork in the attic or a return that was never sized for the blower in the first place. This single test prevents limit switch trips, cracked heat exchangers, and blower motors that burn out early.
Flame Sensor and Ignitor Cleaning
Gas furnaces in Alvin run hard in the winter and idle in the humid summer, which lets condensation settle on ignition components. A dirty flame sensor causes a furnace to light and then quit after three seconds, which feels like a serious failure but is usually a fifteen-minute fix. We clean and test the sensor, inspect the ignitor for hotspots, and confirm the burners are burning blue, not yellow. That yellow flame in your Alvin furnace is producing carbon monoxide, and it needs correcting immediately.
Heat Pump Repair in Alvin
Heat Pump Repair in Alvin comes with a twist: these systems do double duty, heating in winter and cooling through the long Gulf Coast summer. That year-round workload means a heat pump in Alvin ages faster than the same unit would in Dallas. Repairs typically cost $150 – $700, and the failures we see most are defrost board failures on humid winter mornings, reversing valve issues, and outdoor coils corroded by salt-laden air. Because humidity near the coast is relentless, we also check drainage anytime a heat pump is acting up.
Defrost Board Diagnosis
On a 42-degree Alvin morning with high humidity, frost builds on the outdoor coil. The defrost board should reverse the refrigerant flow briefly to melt it. When that board fails, the coil freezes solid, and the system runs backup strips or just blows cold air. We test the defrost sensor and board with live voltage, and if the board is the culprit, we replace it with an OEM part, then verify a full defrost cycle before we leave.
Drainage and Corrosion Checks
Heat pumps in Alvin’s dense subdivisions are often installed tight against the house, which means condensate drains into a narrow side yard shared with a neighbor. If that drain clogs with algae, which happens fast in this humidity, water backs up into the unit and shorts out the defrost board or the fan motor. We clean and flush the drain, treat it against growth, and inspect the coil for the kind of corrosion only a place this close to the Gulf produces.
Trusted Brands We Service in Alvin
Our technicians train on nine major residential HVAC brands, and the ones we work on most in Alvin are Carrier, Trane, Lennox, and Goodman. Having that cross-brand depth matters because homes here hold systems from every decade: a 1990s Lennox in a downtown bungalow, a mid-2000s Carrier in a Highland neighborhood tract home, a brand-new Trane in a subdivision near Mustang Road. We stock common OEM ignition parts, pressure switches, and blower motors on our trucks, so the first visit is usually the last. Victor Mancini expects his technicians to service whatever system is in your home, not sell you one we prefer to work on.
Common Furnace Repair Problems We See in Alvin Homes
- Limit switch trips from restricted return air. In older Alvin homes with closet furnace installs, the return air path is often a single wall grille into a hallway. When the blower can’t pull enough air, the furnace overheats and locks out on the limit switch. The fix isn’t a new limit switch, it’s fixing the airflow.
- Corroded galvanized ductwork in humid attics. Our firm diagnosed a Carrier furnace in an Alvin bungalow where repeated limit trips traced back to a corroded galvanized duct trunk in the attic, not a bad blower motor. Our tech confirmed static pressure was 0.9 in. w.c., cut out the rusted section, and reset the blower speed after a Manual J load calculation. The system has run quietly since.
- Ignitors failing from salt air and short-cycling. Near the coast, everything corrodes faster. Ignitors in rooftop furnace installs and side-yard units take extra abuse from moisture and salt. Most ignitor replacements in Alvin run $150 – $280, parts and labor included.
- Neglected filters and heat exchanger stress. Rooftop furnace access in Alvin’s newer subdivisions means filters get changed twice a year instead of monthly. A clogged filter raises the temperature inside the heat exchanger, which accelerates cracking. We change the filter, measure the temperature rise across the exchanger, and document what we find.
See the difference
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AfterPricing for Furnace Repair in Alvin, TX
Furnace repair in Alvin runs $150 – $700 for most jobs, and you should see the written price before a single tool comes out. Here’s the honest breakdown of what you’re paying for in this market:
| Furnace Repair | $150 – $700 |
|---|---|
| Tune-Up | $80 – $200 |
That $150 – $700 range covers ignitor replacements, flame sensor cleaning, gas valve repairs, blower motor replacements, and limit switch diagnosis. The spread depends on the part and how much of the system our tech has to access. Aligning with The Kingswell Way, Furnace Repair in Alvin means you get the price on paper first, and it doesn’t change when the job is done because the tech found something else. Call (832) 371-9862 for a free estimate, and we’ll arrange a firm arrival window.
We Also Serve Cities Near Alvin
Our crews regularly run to Alvin and the surrounding communities: Manvel, League City, Dickinson, and Bacliff. If you’re a little outside the city limits and your furnace is down, call anyway. We’ll tell you honestly when we can be there.
Serving Alvin, TX - Our Local Coverage Area
We’re based in the Alvin area and know this community well, which is why our Alvin AC Repair team lives here too. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Furnace Repair in Alvin
A closet furnace in an older Alvin home usually trips the limit switch because the return air path is too small, not because the furnace is actually overheating from a mechanical fault. The blower can’t pull enough air across the heat exchanger, so the temperature rises and the safety switch shuts the system down. The fix is often enlarging the return grille or adding a transfer grille to the closet door. We measure static pressure to confirm before we replace anything. Call (832) 371-9862 and we’ll put a number on it before we touch a tool.
Yes. Most repairs to rooftop furnaces in Alvin are done from the access ladder and roof hatch; a crane is only needed for a full system replacement. Our technicians carry replacement ignitors, flame sensors, control boards, and gas valves on the truck, which covers the vast majority of rooftop furnace failures. In several Alvin subdivisions with rooftop package units, we complete repairs on the first visit. If you need a quote, the estimate covers the repair itself, not crane charges unless we tell you up front that a crane is actually required.
That pattern points to a failed defrost board or a failed defrost sensor, both common in Alvin because near-coastal moisture loads up the outdoor coil. The defrost cycle is supposed to melt that frost every 30 to 90 minutes. When the board or sensor fails, ice builds until the system can’t exchange heat, and your backup heat strips kick on while the unit wastes electricity. We diagnose the board and sensor live, replace the failed component with an OEM part, and confirm a full defrost cycle. Call (832) 371-9862 and we’ll diagnose it properly instead of just guessing.
Twice a year. Your furnace’s air handler moves air in the summer when the AC runs, and the gas heat runs in winter, so the blower, filter, and air path are working 12 months a year in Alvin. That’s roughly double the runtime of a furnace in a northern climate. We recommend a spring AC tune-up and a fall furnace tune-up, each $80 – $200, with a written report of what we found. The fall visit is when we test the ignition, gas pressure, and heat exchanger before the first cold snap.
Yes. When a furnace replacement is the right call, Alvin’s building department requires a mechanical permit, and the contractor pulls it. We handle the permit paperwork as part of the installation, and our installs meet current mechanical code. We don’t skip permits, because an unpermitted furnace replacement becomes a problem when you sell the house. That’s part of The Kingswell Way: the price is written down, the permit is real, and the job is done to code. Call (832) 371-9862 for a free estimate, and we’ll walk you through permits and scheduling.
Contact Us
If your furnace is acting up in Alvin, call (832) 371-9862. A live person answers, day or night. We’ll schedule a firm arrival window, send a background-checked, uniformed technician, and put the price in writing before any work begins. Every repair is covered by our 365-Day Done Right Promise. If it fails within a year, we return and fix it at no charge. That’s the promise, on paper, every time.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air, serving Alvin and the surrounding communities through the Kingswell network.