Do you actually come out to Mountain View, or is that too far from San Ramon?

We make the drive regularly. Mountain View is well within our South Bay service area. When you call or book online, we give you a real arrival window, not a four-hour block.

Is Tempstar equipment a reasonable fit for a mid-century Mountain View home, or should I be looking at other brands?

It is a reasonable fit. Tempstar sits on the same Carrier engineering platform as Heil and Comfortmaker, so you are getting proven hardware at a lower price point than the flagship Carrier label. The tradeoff is a thinner dealer network, which means parts sourcing matters more. For a standard ducted ranch home in Mountain View, the QuietComfort single-stage or two-stage units size up properly and the efficiency numbers are solid. If you have a house near the bay with salt-air exposure, I would pay attention to cabinet quality and make sure the outdoor unit is installed with good clearance for airflow and drainage.

What does the $75 diagnostic include, and what warranty covers the repair afterward?

The diagnostic covers a full system inspection: we pull board fault codes, check electrical components under load, measure refrigerant pressure if the system is running, and give you a written quote with a firm price before anything gets authorized. If you go ahead with the repair that same visit, the $75 comes off the total. The repair itself is covered by a one-year parts and labor warranty. If we are doing a full installation rather than a repair, that work carries ten years on parts and ten years on labor.

TEMPSTAR · MOUNTAIN VIEW

Service · All Tempstar Models

Tempstar Heat Pump, AC & Furnace Repair · Mountain View, CA

Tempstar heat pump, AC, and furnace repair in Mountain View, serving the ranch tracts and bay-influenced neighborhoods where older hardware meets coastal air.

$75 diagnostic (waived with repair)
Same or next-day best effort
CSLB #1136642

Call (925) 999-4095

Tempstar in Mountain View

Tempstar heating and cooling in Mountain View.

Mountain View sits close enough to the bay that outdoor units take a beating from the salt-laden marine layer, especially anything west of Castro Street toward Shoreline. The housing stock is mostly mid-century single-story ranch homes on the tracts that went up fast after the war, and those houses almost always have a ducted gas furnace paired with a split AC or heat pump. Tempstar shows up here regularly because it was a contractor-channel brand, sold through independent dealers who were competitive on price. The equipment is Carrier-engineered at its core, so it performs well, but it is not a brand you find at every supply house, which matters when a part is needed.

When a Tempstar system comes in for diagnosis, we connect to the board first and pull any stored fault codes before we touch anything else. The communicating variable-speed units log fault history; the standard single-stage boards give you flash codes. Either way, reading the board tells us whether the flame sensor is dirty, whether the pressure switch tripped from a partially blocked condensate line, or whether the draft inducer is drawing low current. Around Shoreline and the bay-side streets, we also look at the condenser cabinet for corrosion on the contactor terminals and capacitor leads because the damp air accelerates oxidation faster than you see even a few miles inland toward Los Altos Hills. We do not guess and start swapping parts.

Bay Area HVAC Service is our HVAC division, operating out of San Ramon. Diagnostic is $75, and that fee comes off the repair total if you move forward. We write out the quote before any work starts, no exceptions. Our technicians hold EPA Section 608 Universal certification, and the company holds CSLB contractor license 1136642. Repair work carries a one-year warranty. New installations we do ourselves carry ten years on parts and ten years on labor.

Common repairs we do

What we close on the truck.

Hot Surface Igniter Failure. The HSI on Tempstar furnaces is a silicon nitride element that cycles thousands of times over a heating season. In Mountain View's mild but damp winters, the furnace may sit idle for weeks then get hammered with back-to-back call cycles when a cold snap arrives, and that thermal shock accelerates cracking. The board will log a no-ignition fault and the burners simply never light. We confirm with a resistance check, replace the element, and verify ignition timing before closing up.
Flame Sensor Carbon Buildup Cutting Out Mid-Cycle. A partially fouled flame sensor will allow ignition but then drop the flame signal within a few seconds, sending the furnace into lockout. Homeowners usually describe it as the furnace running briefly then shutting off, sometimes repeating two or three times before locking out entirely. We clean the rod, check the microamp reading under fire, and if the rod is pitted or the porcelain is cracked we replace it. This is one of the more common service calls on any Carrier-platform furnace regardless of label.
Condenser Capacitor and Contactor Wear on Heat Pumps. The proximity to the bay means outdoor units on the west side of Mountain View see persistent humidity and occasional salt fog, and that shortens the service life of run capacitors and the contactor's contact points noticeably. The failure shows as a compressor that hums but will not start, or a condenser fan that spins slowly under load. We test both components with the unit energized, replace whichever is out of spec, and inspect the wiring terminals for oxidation while the cabinet is open.

Models we service

Tempstar product lines.

Gas furnaces (Ion and QuietComfort series)
Heat pumps and AC condensers
Variable-speed communicating systems
Air handlers and coils
Diagnostics, board and igniter repair, warranty work

Pricing and warranty

What it costs. What we stand behind.

$75

Diagnostic visit. Waived when you book the repair with us.
Written

90 days on consumables, 1 year on major parts, 2 years on sealed-system rebuilds. Quoted in writing before work starts.
CSLB

#1136642. Bonded and insured. We file warranty paperwork when applicable.

Nearby cities

Tempstar service in neighboring cities.

FAQ

Tempstar in Mountain View questions, answered.

Do you actually come out to Mountain View, or is that too far from San Ramon?

We make the drive regularly. Mountain View is well within our South Bay service area. When you call or book online, we give you a real arrival window, not a four-hour block.
Is Tempstar equipment a reasonable fit for a mid-century Mountain View home, or should I be looking at other brands?

It is a reasonable fit. Tempstar sits on the same Carrier engineering platform as Heil and Comfortmaker, so you are getting proven hardware at a lower price point than the flagship Carrier label. The tradeoff is a thinner dealer network, which means parts sourcing matters more. For a standard ducted ranch home in Mountain View, the QuietComfort single-stage or two-stage units size up properly and the efficiency numbers are solid. If you have a house near the bay with salt-air exposure, I would pay attention to cabinet quality and make sure the outdoor unit is installed with good clearance for airflow and drainage.
What does the $75 diagnostic include, and what warranty covers the repair afterward?

The diagnostic covers a full system inspection: we pull board fault codes, check electrical components under load, measure refrigerant pressure if the system is running, and give you a written quote with a firm price before anything gets authorized. If you go ahead with the repair that same visit, the $75 comes off the total. The repair itself is covered by a one-year parts and labor warranty. If we are doing a full installation rather than a repair, that work carries ten years on parts and ten years on labor.

Need Tempstar service in Mountain View?

Tell us what is broken. We will quote it.