Do you send someone from San Ramon for a Belmont Tempstar repair, or is there a closer technician?

We keep a technician based on the Peninsula in San Mateo County, so Belmont is local coverage for us, not a special trip from the East Bay. That tech routes Belmont with San Carlos, San Mateo, and Foster City on the same schedule. Call (925) 999-4095 and we can tell you where you land.

Is Tempstar a good match for a Belmont home, ranch or hillside?

For a flatland ranch home with existing ductwork, a single-stage Tempstar furnace and AC is a sound, lower-cost option built on the same ICP platform Carrier uses. For a Belmont Hills rebuild chasing tighter comfort control on a sun-exposed lot, the two-stage heat pump and variable-speed air handler options fit better. I'll walk you through which one matches your actual house instead of just quoting the cheaper system.

What happens at the $99 diagnostic visit?

I read the fault codes, test whatever component the board is flagging, and give you a written quote with the actual repair and price before anything comes apart. If you book the repair that same visit, the $99 comes off the total.

TEMPSTAR · BELMONT

Service · All Tempstar Models

Tempstar Heat Pump, AC & Furnace Repair · Belmont, CA

Tempstar heat pump, AC, and furnace repair in Belmont, from the Ralston Avenue flatland up into the Belmont Hills.

$99 diagnostic (waived with repair)
Same or next-day best effort
CSLB #1136642

Call (925) 999-4095

Tempstar in Belmont

Tempstar in Belmont kitchens.

Belmont splits along a line most people who live here already know: the flatter, older ranch neighborhoods off Ralston Avenue and Old County Road, and the newer builds working up into the Belmont Hills toward Water Dog Lake. The flatland ranch homes carry a straightforward gas furnace and single-stage AC pairing, often Tempstar, put in by a regional contractor rather than a national dealer chain. Up in the hills, newer rebuilds are more likely to run a two-stage Tempstar heat pump paired with a variable-speed air handler, chasing tighter comfort control on a lot that gets more sun than the flatland below.

Belmont's coastal fog keeps the flatland cooling load light most of the year, so on those older ranch furnaces I see heating components wear out well before anything on the cooling side gives trouble. Tempstar runs on the same ICP platform as Heil and Comfortmaker, so I start every call by pulling the board fault history instead of guessing at a part. On the hillside heat pumps, a stuck reversing valve solenoid is the fault I check first when a system blows the wrong temperature air on a mode switch, because that symptom gets misread as a bad compressor more often than it should.

ADRIUM Service Solutions is owner-operated and based in San Ramon, and we keep a technician stationed on the Peninsula in San Mateo County so Belmont, San Carlos, San Mateo, and Foster City all get local response instead of a drive across the bay. The diagnostic runs $99 and it comes off the bill if you book the repair with us that same visit. You get a written quote before any work starts. We hold EPA Section 608 Universal certification and work under CSLB license 1136642, and we take calls seven days a week.

Common repairs we do

What we close on the truck.

Hot Surface Igniter Failure on Flatland Ranch Furnaces. A ranch-home furnace on Ralston Avenue or Old County Road that fires the inducer, glows the igniter, and still fails to light is telling me the hot surface igniter has cracked. These furnaces carry a heavier heating load than the AC side ever sees here, since Belmont's fog keeps summer cooling light, and the igniter wears out on that schedule. I measure cold resistance on the element, confirm board output voltage first, then swap in the correct silicon nitride part rather than assume the cheaper carbide style will hold up the same way.
Reversing Valve Solenoid Sticking on Hillside Heat Pumps. On a Belmont Hills heat pump, a reversing valve solenoid that sticks partway shows up as the system blowing cold air during a heat call, or warm air when the homeowner expects cooling. I check the solenoid coil resistance and the valve body temperature split before touching the compressor, because a stuck valve gets misdiagnosed as a failed compressor more often than any other fault on these two-stage systems. Confirming the actual fault first saves a compressor swap that was never needed.
Condenser Capacitor and Contactor Wear from Hillside Heat Spikes. Belmont Hills lots catch more direct sun than the flatland below, and on afternoons when the fog burns off early, condensers up there work harder than the ones down near Ralston Avenue. The run capacitor loses capacitance and the contactor points pit from the added cycling, and a system that used to start clean begins to hesitate or hum without spinning up. I test capacitance under load and check contactor contact condition on every hillside cooling call before I look anywhere else.

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.

$99

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

3 months standard, 1 year on inverter boards, up to 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.

More cities

Tempstar across our service area.

FAQ

Tempstar in Belmont questions, answered.

Do you send someone from San Ramon for a Belmont Tempstar repair, or is there a closer technician?

We keep a technician based on the Peninsula in San Mateo County, so Belmont is local coverage for us, not a special trip from the East Bay. That tech routes Belmont with San Carlos, San Mateo, and Foster City on the same schedule. Call (925) 999-4095 and we can tell you where you land.
Is Tempstar a good match for a Belmont home, ranch or hillside?

For a flatland ranch home with existing ductwork, a single-stage Tempstar furnace and AC is a sound, lower-cost option built on the same ICP platform Carrier uses. For a Belmont Hills rebuild chasing tighter comfort control on a sun-exposed lot, the two-stage heat pump and variable-speed air handler options fit better. I'll walk you through which one matches your actual house instead of just quoting the cheaper system.
What happens at the $99 diagnostic visit?

I read the fault codes, test whatever component the board is flagging, and give you a written quote with the actual repair and price before anything comes apart. If you book the repair that same visit, the $99 comes off the total.

Need Tempstar service in Belmont?

Tell us what is broken. We will quote it.