Whether your system quit overnight or you've been limping along hoping it'd fix itself, FH HVAC sends a licensed technician to your San Mateo, CA address fast — with a written quote and the parts to finish the job.

The typical HVAC experience in San Mateo, CA involves waiting, vague estimates, and invoices that don't match what you were told over the phone. FH HVAC is built to be the opposite of that.
Every tech FH HVAC dispatches in San Mateo, CA is locally positioned, CA licensed, NATE certified, and EPA 608 credentialed. They know the HVAC systems common in this market and the seasonal patterns that cause the specific failures we see most often in San Mateo, CA.
Before we touch anything, you get a written quote. When the job is done, you get a 90-day parts and labor guarantee — documented on the invoice. Simple, consistent, and we've held to it since day one.
All six of these services are available in San Mateo, CA, performed by CA-licensed technicians, backed by our written guarantee.
Your system quit in San Mateo, CA and you need someone right now — not a callback. Calling +1-844-586-3138 connects you to a live San Mateo, CA dispatcher immediately. A licensed technician gets rolling toward your address with an ETA before you hang up. Our trucks carry the most common repair parts for San Mateo, CA's prevalent HVAC systems, so first-visit fixes are the norm.. Your written quote comes before we start — always.
San Mateo, CA Emergency Dispatch: +1-844-586-3138 →From a full new installation in your San Mateo, CA home to a targeted repair on an older system, our residential team brings the right tools and the right knowledge of the systems common in this market. For any new installation, we do a proper Manual J load calculation — something many San Mateo, CA contractors skip to save time and cost. Skip it and you end up with an oversized system that short-cycles and wears out early. All major brands serviced. All CA permits handled.
Book San Mateo, CA Home Visit: +1-844-586-3138 →A broken HVAC system in your San Mateo, CA office, restaurant, or retail space translates directly to lost productivity or lost revenue. Depending on your industry, it can mean health code violations, cancelled appointments, or closed doors. FH HVAC's commercial team handles rooftop units, large split systems, VRF and chiller work, and ongoing maintenance agreements for commercial properties throughout San Mateo, CA. Our commercial jobs are coordinated around your operating hours.
Commercial HVAC in San Mateo, CA: +1-844-586-3138 →San Mateo, CA residents deal with indoor air quality challenges that depend on the season — high humidity in summer, dry air in winter, allergens and dust year-round. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, dehumidifiers and ERVs configured for San Mateo, CA's specific conditions. If someone in your San Mateo, CA household manages asthma or allergies, improving indoor air quality is one of the most direct improvements available.
Air Quality Service in San Mateo, CA: +1-844-586-3138 →More San Mateo, CA homeowners are choosing heat pumps and ductless systems for their versatility and long-term efficiency. For additions, garages, and converted spaces in San Mateo, CA where ductwork would mean opening walls, ductless is typically the right call. Our technicians are factory-trained on all major brands and can handle everything from initial installation through refrigerant service and annual performance checks.
San Mateo, CA Ductless & Heat Pump: +1-844-586-3138 →Maintenance plan members in San Mateo, CA consistently have fewer emergency calls than comparable non-plan households. The plan covers two annual tune-ups, refrigerant checks, electrical inspection, coil cleaning, priority scheduling, and a 15% parts and labor discount year-round. The avoided emergencies alone usually justify the plan within the first season.
Maintenance Plan in San Mateo, CA: +1-844-586-3138 →


From your first call to a fixed system — here's what to expect from FH HVAC in San Mateo, CA.
Real person. Real-time. Not a bot or a callback queue. Your location is logged and dispatch starts immediately.
We route the closest available tech in San Mateo, CA. Most San Mateo, CA customers have a tech on-site in under an hour.
After diagnosis, your San Mateo, CA technician hands you a written, itemized quote. Nothing begins until you've reviewed and approved it.
Completed and covered — 90 days on parts and labor, documented on your invoice. Call us back within 90 days for any covered issue and we return free.
Stated as policies, not promises — because promises without systems are just marketing.
We don't quote jobs verbally in San Mateo, CA. Your approved written quote is your guaranteed price in San Mateo, CA — no exceptions.
Our technicians are staged near San Mateo, CA — not routed from a central depot an hour out. Average on-site time in this market is under 60 minutes, including during peak summer and winter demand.
San Mateo, CA licensing, liability coverage, NATE cert, EPA 608. All current, all on file, all available to review before any job starts in San Mateo, CA.
If a repair we did in San Mateo, CA fails within 90 days, we return and fix it at no charge. It's on the invoice because a promise without documentation isn't worth much.
We staff live dispatchers around the clock in San Mateo, CA specifically because HVAC emergencies don't ask permission. Dispatch is confirmed, not promised.
San Mateo, CA maintenance plan customers have dedicated scheduling that doesn't share the general queue. Plus a 15% discount on any repair parts and labor, all year.
"In San Mateo, CA on a July weekend with no AC, I expected a two-day wait. FH HVAC had a tech there in under an hour. Same-day fix, exact quoted price. Nothing like I've experienced with other contractors."
"We run a small retail shop in San Mateo, CA and our HVAC went down on a Tuesday during a sale event. FH HVAC had a commercial tech there within the hour, the issue was a failed contactor, and we were back to normal temperature before we lost foot traffic. The price was exactly what they said. Five stars, no question."
"Two years on the FH HVAC maintenance plan in San Mateo, CA. They caught a slow refrigerant leak at the spring tune-up. That one catch saved me an August emergency repair at full price. The plan has been worth it three times over."

You shouldn't have to wait days for Hvac service in San Mateo, CA. Call +1-844-586-3138 and get a real ETA within minutes.
📞 +1-844-586-3138 — Hvac in San Mateo, CA, 24/7