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 understand the local building stock, the climate demands specific to this area, and the brands most prevalent in San Mateo, CA homes and businesses.
Our written quote comes before work starts. Our 90-day guarantee is on every 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.
If your HVAC system just stopped working in San Mateo, CA, you don't have time for voicemail or a 48-hour wait list. 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 →Whether you're replacing a system that finally gave up or dealing with a specific repair in your San Mateo, CA home, the approach is the same. 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 →For businesses in San Mateo, CA, HVAC failure means more than discomfort. 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. We work around your schedule.
San Mateo, CA Commercial Service: +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, humidity control equipment, and energy recovery ventilators sized for this climate. The impact on respiratory health is measurable and consistent for households that make this upgrade.
San Mateo, CA Indoor Air Quality: +1-844-586-3138 →Heat pump and ductless mini-split installations in San Mateo, CA have picked up significantly as homeowners see the efficiency and dual-season benefits. 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 service everything from installation to seasonal efficiency verification.
San Mateo, CA Ductless & Heat Pump: +1-844-586-3138 →The San Mateo, CA maintenance plan customers who call us least often aren't the ones with the newest systems — they're the ones who get tuned up twice a year. Two full tune-ups per year, priority scheduling when the season peaks and wait times go long, a 15% discount on any repair parts and labor, and a written condition report after every visit. The avoided emergencies alone usually justify the plan within the first season.
Maintenance Plan in San Mateo, CA: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call 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. Your ETA is confirmed before you hang up — average is under 60 minutes in most San Mateo, CA locations.
After diagnosis, your San Mateo, CA technician hands you a written, itemized quote. No surprises after the work is done.
The job gets done right and backed by a 90-day parts and labor guarantee. Call us back within 90 days for any covered issue and we return free.
These are operating standards, not taglines.
Verbal quotes are how San Mateo, CA customers end up with invoices they didn't agree to. Your approved written quote is your guaranteed price in San Mateo, CA — no exceptions.
Proximity to San Mateo, CA is intentional, not accidental. Even when everyone's calling in San Mateo, CA, we maintain sub-60-minute response in most locations.
Active CA license. General liability. Workers' comp. NATE certification. 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.
Calling +1-844-586-3138 at 2 AM in San Mateo, CA gets a person, not a machine. Dispatch is confirmed, not promised.
San Mateo, CA maintenance plan customers have dedicated scheduling that doesn't share the general queue. Plus 15% off parts and labor on any repairs caught at service visits.
"Called FH HVAC in San Mateo, CA on a Saturday with a broken AC in summer weather. Had a real person immediately, tech was at the door in 52 minutes, had the part on the truck, and fixed it that afternoon. Invoice matched the quote exactly. Genuinely the best HVAC service call I've had in years of homeownership."
"Our San Mateo, CA shop HVAC died during our busiest week. FH HVAC commercial team showed up fast, diagnosed accurately, had the part on the truck. Back to normal temperature before it cost us customers. Honest pricing on top of everything."
"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 Ductwork Repair service in San Mateo, CA. Call +1-844-586-3138 and get a real ETA within minutes.
📞 +1-844-586-3138 — Ductwork Repair in San Mateo, CA, 24/7