You are in San Ramon. Is a cheap furnace in Millbrae worth the trip for you?

Yes, because we do not drive out for one call. Millbrae rides the same Peninsula route as Hillsborough next door, about an hour over the San Mateo Bridge, and GrandAire repairs are quick once on site. Landlord no-heat calls get priority scheduling, 7 days.

Are GrandAire parts harder to find than brand-name parts?

No. GrandAire is ICP, which Carrier owns, and its boards, igniters, motors, and switches are shared across Heil, Tempstar, and Comfortmaker. I carry the common ones on the van, so most repairs do not wait on a parts order at all.

My tenant reports weak heat but the furnace runs. Is that worth a diagnostic?

Yes, and sooner rather than later. A running-but-weak GrandAire often means a limit switch cycling on an overheating heat exchanger or a dying blower capacitor, and both get worse. The $75 diagnostic is waived if we do the repair, and you get the findings in writing for your records.

GRANDAIRE · MILLBRAE

Service · All GrandAire Models

GrandAire Heat Pump, AC & Furnace Repair · Millbrae, CA

GrandAire furnace and AC repair in Millbrae, no-frills equipment kept running cheaply

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

Call (925) 999-4095

GrandAire in Millbrae

GrandAire heating and cooling in Millbrae.

GrandAire is the no-frills end of International Comfort Products, the Carrier-owned maker behind Heil, Tempstar, and Comfortmaker. In Millbrae it shows up where a landlord or a budget-minded remodel needed heat without the badge: rental units near the BART and Caltrain hub, in-law units behind the mid-century houses, and flips where the installer bid low. There is nothing wrong with that. The bones are Carrier-platform bones.

The bare-bones trim means fewer things to break, and the things that do break are the same ICP components I service across Heil and Tempstar every week. Control boards, igniters, inducer assemblies, and capacitors interchange across the family, so a GrandAire in Millbrae is not an orphan waiting on exotic parts.

We charge $75 to diagnose and waive it when you approve the repair, put every number in a written quote, and warranty the repair for 1 year. For landlords with tenants in the unit, we coordinate access directly so you are not playing phone relay.

Common repairs we do

What we close on the truck.

Draft inducer motor failure. GrandAire furnaces at the ten year mark start with a scraping inducer at startup and end with a pressure switch lockout when the motor finally quits. Because the inducer is a shared ICP assembly, I usually have compatible stock and the furnace is back the same visit.
Ignition control and lockout faults. A GrandAire that clicks but never lights, or lights and locks out, typically has a failed igniter or a tired ignition control. I test both against the flame signal in microamps rather than shotgunning parts, which matters on budget equipment where the repair has to stay cheaper than the furnace deserves.
Condenser capacitor and contactor wear. On the AC side, the dual run capacitor drifts low and the compressor hums without starting, or the contactor pits and chatters. Both are minutes to replace and I check them together, since replacing one while the other is at end of life earns a callback in August.

Models we service

GrandAire product lines.

Gas furnaces (value single-stage)
Heat pumps and AC condensers
Air handlers and coils
Builder and supply-house equipment
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

GrandAire service in neighboring cities.

More cities

GrandAire across our service area.

FAQ

GrandAire in Millbrae questions, answered.

You are in San Ramon. Is a cheap furnace in Millbrae worth the trip for you?

Yes, because we do not drive out for one call. Millbrae rides the same Peninsula route as Hillsborough next door, about an hour over the San Mateo Bridge, and GrandAire repairs are quick once on site. Landlord no-heat calls get priority scheduling, 7 days.
Are GrandAire parts harder to find than brand-name parts?

No. GrandAire is ICP, which Carrier owns, and its boards, igniters, motors, and switches are shared across Heil, Tempstar, and Comfortmaker. I carry the common ones on the van, so most repairs do not wait on a parts order at all.
My tenant reports weak heat but the furnace runs. Is that worth a diagnostic?

Yes, and sooner rather than later. A running-but-weak GrandAire often means a limit switch cycling on an overheating heat exchanger or a dying blower capacitor, and both get worse. The $75 diagnostic is waived if we do the repair, and you get the findings in writing for your records.

Need GrandAire service in Millbrae?

Tell us what is broken. We will quote it.