Furnace & heating
AC repair
Heat pumps
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Carrier
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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 Morgan Hill
Furnace repair in Morgan Hill typically costs between $150 and $700, with most common fixes like ignitor replacement or flame sensor cleaning landing in the $150 – $280 range. If your heater quit on a cold night or you’re hearing banging from the vents, call (669) 800-4179 and a live person answers, 24 hours a day. Our dispatch office sits in the San Francisco Bay Area and our technicians work Morgan Hill neighborhoods every day, so we know the difference between a tract home off Tennant Avenue and a ranch property out on East Dunne.
Morgan Hill’s furnace problems aren’t the same as what homeowners face 20 miles north in San Jose. The eastern foothills have no natural gas lines. That means propane-fired furnaces, dual-fuel heat pumps, and regulators that freeze on exposed ridge lots. We’ve been out here long enough to know what fails and when. If your heat is out tonight, you want someone who already knows the terrain, not someone figuring it out on the drive down.
Why Cold Harbour Heating and Air San Jose Is Morgan Hill’s Preferred Furnace Repair Company
Our Furnace Repair team works on nine major residential HVAC brands, including Trane, Lennox, Goodman, and Rheem. That matters out here because Morgan Hill homes carry everything from 1990s Goodmans in Anderson Lake foothill properties to newer Lennox heat pumps in Jackson Oaks. The technician who shows up already knows the equipment before they walk in.
Every repair from Cold Harbour Heating and Air carries a written 365-Day Done Right Promise. If the furnace quits again inside a year, we come back and correct the work at no charge. That guarantee is on paper before our tech leaves your driveway. Victor Mancini runs our operation, and he built the crews around the idea that a handshake isn’t enough. You get a written price before any tool comes out, a firm arrival window, and a technician in uniform who’s been background-checked.
Morgan Hill homeowners have been burned before, by no-shows or by a price that changed at the door. We write the number down first. Then we do the work. Then we clean up and hand you the guarantee.
Styles & brands we work with
Heating Repair in Morgan Hill
Heating Repair in Morgan Hill often comes down to one thing: the system was sized for cooler summers and milder winters, and it can’t keep up with what the Santa Clara Valley now throws at it. You notice the furnace running longer, the thermostat never quite reaching setpoint, or a burning smell on first ignition. We trace it to the real cause and give you a written price before we touch anything. Typical heating repair in Morgan Hill runs $150 – $700 depending on what’s failed.
High-Limit Switch and Heat Exchanger Failures
On cold mornings, a furnace that overheats and trips its high-limit switch is usually telling you the heat exchanger is working too hard. In Morgan Hill’s foothill homes, undersized return ducts force the blower to push against high static pressure, overheating the box. We measure static pressure on every visit. If it’s high, we say so and show you the reading.
Ignitor and Flame Sensor Replacement
Morgan Hill’s dry air and occasional construction dust means flame sensors get coated and fail to sense the burner flame. The furnace starts, runs a few seconds, then shuts down. An ignitor replacement here usually runs $150 – $280, parts and labor included. It’s the most common no-heat call we get between October and February.
Boiler Repair in Morgan Hill
Boiler Repair in Morgan Hill is a smaller part of what we do, but the calls we get are usually urgent. Older ranch homes in the eastern foothills still run hydronic baseboard systems, and when the boiler kicks off on a frosty night, there’s no heat anywhere in the house. Boiler repairs in this area typically run $150 – $700, depending on whether we’re swapping a circulator pump, cleaning a clogged zone valve, or replacing an expansion tank.
Propane Boiler Cold-Morning Shutdowns
On exposed hillside lots, propane regulators freeze when overnight temperatures dip into the low 30s with wind. The boiler fires, the gas pressure drops, and the unit locks out. Our techs carry the parts and know-how to get it running, but we also check whether the regulator is undersized for the load. Often it is.
Circulator and Zone Valve Service
Morgan Hill homes with two or three heating zones depend on zone valves and circulator pumps that wear out quietly. You’ll notice one room never heats while another bakes. We diagnose the stuck valve or failed pump, show you the failed part, and write a fixed price for the replacement before starting.
Trusted Brands We Service in Morgan Hill
We service furnaces from Trane, Lennox, Goodman, and Rheem, along with five other major residential brands. For Morgan Hill customers, that means we can often do same-day diagnosis and repair because our techs carry common parts for these brands on the truck. No waiting a week for a control board. No second service call. If you’ve got a Goodman 80% furnace in a 1990s tract home or a Rheem dual-fuel heat pump on a foothill lot, we know the machine. Call (669) 800-4179 and we’ll get someone out.
See the difference
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AfterCommon Furnace Repair Problems We See in Morgan Hill Homes
- Propane regulator freeze-ups on cold mornings. Homes on the eastern ridges run on propane, and when the regulator ices over, the furnace loses gas pressure and locks out. It’s not a furnace fault at all, but it kills heat exactly when you need it most.
- Heat exchanger cracks from oversized temperature swings. Morgan Hill’s summer-to-winter range puts real stress on heat exchangers, especially in furnaces originally sized for cooler summers. A cracked exchanger is dangerous and needs immediate attention; we’ll show you the crack before recommending replacement.
- Pressure switch and inducer motor failures from wind exposure. Hillside homes with no wind shelter get erratic draft. The pressure switch sees flickering readings and shuts the furnace down. Inducer motors wear faster out here than in sheltered valley subdivisions.
- Blower motor and capacitor failures from high static pressure. Original undersized ductwork in 1970s – 1990s ranch homes forces blowers to work against pressure they weren’t designed for. Capacitors fail first, then the motor. We measure static pressure every time and tell you if the ductwork is the real problem.
Pricing for Furnace Repair in Morgan Hill, CA
A typical furnace repair in Morgan Hill runs $150 – $700. That range covers everything from a $150 flame sensor cleaning to a $700 blower motor replacement. Ignitor swaps land around $150 – $280. Gas valve replacements usually run $300 – $500. Heat exchanger replacement, when it can be done, runs toward the top of the range but often points to a new furnace instead. The price you get is written down before any work begins, and it doesn’t change at the door. Call (669) 800-4179 for a free estimate and we’ll give you exact numbers for your system.
- Ignitor replacement: $150 – $280, parts and labor included
- Flame sensor cleaning: $150 – $200
- Gas valve replacement: $300 – $500
- Blower motor replacement: $400 – $700
- Pressure switch replacement: $180 – $300
- Furnace tune-up: $80 – $200
Rural Morgan Hill properties with long driveways don’t pay a drive-time surcharge. Our pricing is the same whether you’re off Cochrane Road or back on a dirt lane near Uvas Reservoir.
We Also Serve Cities Near Morgan Hill
Our Furnace Repair in Morgan Hill coverage extends to the surrounding South Bay communities. If you’re in Los Gatos, Campbell, San Jose, or Santa Clara, we send the same background-checked technicians and honor the same written pricing and 365-Day Done Right Promise. The drive is short, and we’re already on the road.
Serving Morgan Hill, CA - Our Local Coverage Area
We’re based in the Morgan Hill 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 Morgan Hill
It’s almost always high static pressure from undersized ductwork, a dirty filter, or a blower motor that’s no longer moving enough air across the heat exchanger. On propane systems, it can also be regulator freeze-up dropping gas pressure and causing erratic burner behavior. We’d start with a static pressure reading and a check of the exhaust path. Call (669) 800-4179 and our tech will show you the reading before quoting any repair.
Once a year at minimum. Foothill lots get dust, pollen, and wind-blown debris that pack the condenser coil faster than sheltered valley homes. A clogged coil drives up head pressure, strains the compressor, and shortens the system’s life. Our $80 – $200 furnace tune-up includes coil cleaning. Call (669) 800-4179 to schedule.
No. Our pricing is the same whether you’re in a tract home off Tennant Avenue or on a five-acre parcel east of East Dunne Avenue. We don’t add a drive-time surcharge or a “rural service fee.” The written price covers the repair, the labor, and the travel. That’s part of the Kingswell Way: say the price before the work, and don’t change it at the door.
SEER2 is the updated efficiency rating standard for heat pumps and air conditioners, introduced in 2023. It matters if your furnace repair turns into a heat pump replacement, because new equipment must meet SEER2 minimums. For a furnace-only repair, it’s not relevant. If we find your system is beyond saving, we’ll walk you through SEER2 ratings and available rebates before you commit to anything.
Short-cycling in a detached workshop usually means the thermostat is located too close to the heat source or the furnace is oversized for the small, poorly insulated space. On Morgan Hill acreages, we also see long gas lines from the main tank that starve the furnace of gas pressure on cold days. Our tech can measure gas pressure at the unit and check thermostat placement in one visit. Call (669) 800-4179 for an appointment.
If your furnace is down and you need heat back tonight, call (669) 800-4179. A live person answers. We’ll set a firm arrival window, hand you a written price before any work begins, and back the repair with our 365-Day Done Right Promise. You deserve a furnace that heats every room, and a company that puts it in writing.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air San Jose, serving Morgan Hill residents since founding the company in 2003.