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 Mountain View
Furnace repair in Mountain View typically runs $150 – $700, and most common fixes, like an ignitor or capacitor replacement, are done same-day when we have the part on the truck. If your furnace quit this morning and you’re reading this from a cold living room off El Camino Real or up in the Waverly Park hills, call (669) 800-4179 now. A live person answers, we give you a firm arrival window, and the price is in your hand before any tool comes out.
Mountain View’s older homes, particularly the Eichler and ranch builds from the 1950s through the 1970s, have unique heating systems. Many run original gas furnaces paired with radiant floor loops or minimal ductwork. That means a no-heat call here often isn’t just a dead ignitor. It’s a question about whether the whole system still matches the house it was installed in. We know these homes, the neighborhoods, and the specific ways they fail. More on that below.
Why Cold Harbour Heating and Air San Jose Is Mountain View’s Preferred Furnace Repair Company
We’ve been repairing heating systems since 2003, and we’re part of the Kingswell network of independently owned HVAC businesses that all follow the same written standards. In Mountain View, that translates to something specific: a technician who arrives in uniform, passes a background check, and knows the difference between a 1962 Eichler with exposed beams and a 2005 townhome with a cramped mechanical closet.
Our service area covers all of Mountain View, from Rex Manor and Monta Loma up to Cuesta Park and across to the North Bayshore side. Response time is typically same-day for furnace repairs when you call before noon. We don’t make you wait through a voicemail tree. A person answers 24 hours a day, every day. And like every Cold Harbour job, your furnace repair in Mountain View comes with a written 365-Day Done Right Promise. If the repair fails within a year, we return and correct it at no charge. That’s on paper before we leave, not a vague handshake.
Victor Mancini, who leads our team, set a simple rule years ago: say the price before the work, show up when you said, leave the place cleaner than you found it, put the guarantee in writing, and come back if it fails. That’s The Kingswell Way. We hold to it on every call.
Furnace Repair is what we do every day, but in a housing stock like Mountain View’s, doing it right often means checking things other companies skip.
Styles & brands we work with







Furnace Maintenance in Mountain View
Furnace Maintenance for Mountain View homeowners means more than a quick filter change. Our tune-up covers the full heating system: we check the heat exchanger for cracks, test gas pressure, clean the flame sensor, inspect the blower motor and capacitor, and measure the temperature rise across the system. For most homes here, that runs $80 – $200.
The marine layer that rolls through Mountain View in the winter keeps the air damp and cool. That moisture settles on furnace components, especially the flame sensor and burner assembly. A furnace that sits unused all summer collects a film that causes ignition failures on the first cold night. Maintenance in the early fall prevents the 10 p.m. no-heat call in January.
The 365-Day Guarantee Applies to Tune-Ups Too
If we perform a tune-up and something we touched fails within the year, we’re back at no charge. That’s not a special deal. It’s the standard on every job in Mountain View.
What You Get in Writing
After every maintenance visit, you get a written report of what we found, what we fixed, and what we’d keep an eye on. Our technicians are not paid on what they sell. That means the recommendation you get is about your furnace, not a commission target.
Heat Pump Repair in Mountain View
Heat Pump Repair in Mountain View is growing fast as more homeowners replace aging gas furnaces with electric systems to meet the city’s building codes. A heat pump that’s not heating on a cold February morning often has a failing reversing valve, a low refrigerant charge, or a defrost control board that’s acting up. Repairs typically run $150 – $700 depending on the fault.
Mountain View’s reach code now requires all-electric HVAC in major remodels and new construction. That’s pushed a lot of homeowners toward heat pumps before they’d have made the switch otherwise. The good news is a modern heat pump handles Mountain View’s mild winters easily. The challenge is when one breaks, you need a technician who understands both the electrical side and the refrigeration side. We service Carrier, Trane, Lennox, Goodman, Rheem, and four other major brands, so the unit already on your wall or in your yard is one we know.
Heat Pump Tune-Up Costs
A heat pump tune-up in Mountain View runs the same $80 – $200 range as a furnace tune-up. We check the outdoor coil, indoor air handler, refrigerant pressures, and the reversing valve operation so you’re not surprised when the first cold snap hits.
Ductless Mini Splits in Eichler Homes
Many Mountain View Eichler homes have no attic, exposed ceiling beams, and radiant floor heat installed decades ago. When a furnace repair turns into a replacement conversation, a ductless mini split heat pump is often the right answer. We service those too, and our team has installed and repaired enough of them in Rex Manor and Monta Loma to know exactly how the lines should run along those beams without turning the house into an eyesore.
Trusted Brands We Service in Mountain View
We’re trained on nine residential HVAC brands, including Trane, Lennox, and Goodman, which covers the vast majority of systems installed across Mountain View’s housing stock. For older systems nearing the end of their service life, we carry a deep stock of common replacement parts in our trucks, which often means a same-visit fix instead of a parts order and a second appointment. If you’ve got a Rheem in a 1970s ranch near Cuesta Park or a Lennox in a newer townhome off Shoreline Boulevard, we’ve seen it before and we know what fails on it.
Common Furnace Repair Problems We See in Mountain View Homes
- Short cycling in single-zone Eichler homes. The original design never accounted for modern insulation patterns or window replacements, so the furnace overshoots its target temperature and shuts off, then fires again minutes later. It wastes gas and wears out the blower motor prematurely.
- High static pressure from undersized original ducts. Many 1950s-70s ranch homes in Mountain View were built with 5- or 6-inch ducts. They were adequate for gravity furnaces but choke a modern forced-air blower. The result is poor airflow in the back bedrooms and a furnace that overheats and trips the limit switch.
- Electrical panel limitations. A 100-amp service was standard in post-war construction. A modern high-efficiency furnace, especially paired with a heat pump, can push the panel over budget. We always check panel capacity before recommending a replacement, so you don’t pay for a system the house can’t support.
- Ignition failures after the marine layer lingers. The damp coastal air that settles over Mountain View in winter months promotes corrosion on flame sensors and burner assemblies. A furnace that lights fine in October fails in January. We can usually clean the sensor or replace the ignitor on the spot.
See the difference
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AfterPricing for Furnace Repair in Mountain View, CA
We publish our price ranges because homeowners should know what to expect before they pick up the phone. A furnace repair in Mountain View typically runs $150 – $700. A basic ignitor replacement falls at the low end. A gas valve replacement or a blower motor lands in the middle. A heat exchanger, when it’s still worth repairing, pushes toward the top.
Here’s how the most common jobs break down:
| Service | Typical Cost in Mountain View |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Tune-Up | $80 – $200 |
Before any work starts, you get a written price. That number does not change at the door. If we find something else once we’re inside the unit, we stop, show you what we found, and give you a new written number before continuing. No surprises. Call (669) 800-4179 for a free estimate.
Why Proper Diagnosis Matters More in Older Mountain View Homes
Here’s the thing about furnace repair in Mountain View that most companies won’t tell you. When a furnace fails in a 1950s ranch or a 1960s Eichler, replacing it with a like-for-like unit often makes the problem worse. The original ducts were sized for a completely different type of system. The electrical panel has been patched and extended for sixty years. The floor plan was never zoned. A standard swap leaves you with the same uneven heat, the same high static pressure, and a bigger bill than you needed.
We serviced a 1962 Eichler in the Rex Manor neighborhood where the gas furnace was short cycling due to a failing blower motor and a dirty evaporator coil. The homeowner had been quoted a like-for-like swap, but our static pressure test showed the original 6-inch ducts were collapsing under the new system’s airflow requirements. We repaired the immediate fault with a capacitor and thermostat calibration, then outlined a ductless mini-split plan that matched the home’s exposed beams and removed the duct problem entirely.
That’s the approach we take on every job. Fix what’s broken now, then tell you straight what the long-term options actually cost and what they’ll actually do. Mountain View’s electrification push means a gas furnace replacement that doesn’t account for future code changes might be a wasted investment. We’ll tell you before you spend the money.
If you’re searching for Furnace Repair in Mountain View, you’re likely dealing with a cold house and a decision to make. We’re here to make that decision clear.
We Also Serve Cities Near Mountain View
Our service area extends beyond Mountain View to Los Altos, Sunnyvale, Stanford, and Cupertino. If you’re in any of those communities, the same pricing, the same written guarantee, and the same live-person phone coverage apply. Call us and we’ll get you on the schedule.
Serving Mountain View, CA - Our Local Coverage Area
We’re based in the Mountain View 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 Mountain View
A furnace short cycles when it reaches the thermostat set point too quickly, shuts off, then fires again minutes later. In Mountain View Eichler homes, this usually means the thermostat is located in a central hallway that warms faster than the perimeter rooms, or the furnace is oversized for the heat load. The fix may be as simple as relocating the thermostat or adjusting the anticipator setting, or it may point to deeper duct imbalance. Call (669) 800-4179 and we’ll diagnose it properly.
Yes, you can repair your existing gas furnace. Mountain View’s reach code applies to new construction and major remodels, not to routine repairs. If the repair is safe and cost-effective, we’ll do it. But if your furnace is over 20 years old or has a cracked heat exchanger, we’ll be honest about whether the money is better spent toward a heat pump that complies with the codes you’ll eventually need to meet.
You have two main options. We can repair the existing wall furnace, which is often the least expensive short-term fix at $150 – $700. Or we can design a ductless mini-split system that heats and cools without any ductwork, which aligns with Mountain View’s electrification requirements and gives you zoning controls for individual rooms. The second option is a bigger investment but a far better long-term match for a home with no ducts.
When cold, damp air rolls into Mountain View overnight, your furnace runs longer to maintain temperature. If it’s blowing cold air, the burners may be lighting but the blower is running before the heat exchanger warms up, or the flame sensor has corroded enough to drop the signal. Either way, it’s a repairable fault. We’ll find it and fix it, and the repair is covered for 365 days.
Yes, a proper Manual J load calculation is essential, especially in older Mountain View homes where insulation, window type, and floor plan have changed since the original furnace was sized. Skipping the calculation is how you end up with a furnace that short cycles or can’t keep the bedrooms warm. We include it in our replacement process and we’ll show you the numbers before we recommend anything. Call (669) 800-4179 to get started.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air San Jose, serving Mountain View since 2003.