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.

If you've ever called an HVAC company in San Mateo, CA and gotten a runaround about pricing, availability, or what's actually wrong with your system, you know exactly why we built FH HVAC the way we did.
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. That's the whole system. It works because it's simple and we actually follow it.
Every service below is on the table for San Mateo, CA — licensed, insured, guaranteed.
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. We dispatch the nearest available tech and confirm arrival time before the call ends. Our trucks carry the most common repair parts for San Mateo, CA's prevalent HVAC systems, so we resolve most San Mateo, CA emergency calls without a return trip. 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. In food service, it can mean health code complications. In offices, it means people can't work. 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. The impact on respiratory health is measurable and consistent for households that make this upgrade.
Air Quality Service in San Mateo, CA: +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. When you're adding conditioned space in San Mateo, CA without an existing duct system, ductless is usually the cleanest solution. Our technicians are factory-trained on all major brands and service everything from installation to seasonal efficiency verification.
Heat Pump Service in San Mateo, CA: +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. The plan covers two annual tune-ups, refrigerant checks, electrical inspection, coil cleaning, priority scheduling, and a 15% parts and labor discount year-round. Members frequently tell us the plan paid for itself on the first avoided repair.
San Mateo, CA Service Plan Details: +1-844-586-3138 →


From your first call to a fixed system — here's what to expect from FH HVAC in San Mateo, CA.
A live dispatcher answers in San Mateo, CA — day or night, weekends, holidays. 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. If it fails within the window, we come back at no charge.
These are operating standards, not taglines.
Verbal quotes are how San Mateo, CA customers end up with invoices they didn't agree to. Every San Mateo, CA job starts with a written, itemized quote you sign before work begins.
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.
Active CA license. General liability. Workers' comp. NATE certification. EPA 608. Documentation available before any San Mateo, CA job.
90 days. Parts and labor. No argument. 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. Your ETA is confirmed before the call ends.
When demand peaks in San Mateo, CA and general wait times stretch out, plan members have reserved slots. 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."
"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."
"I've been a FH HVAC maintenance plan member in San Mateo, CA for two years. The spring visit caught a developing refrigerant leak in the evaporator coil and fixed it at the tune-up discount. That avoided what would have been an emergency call in August when it finally failed — and August emergency rates are not fun.

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