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.
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.
Every service below is on the table for San Mateo, CA — licensed, insured, guaranteed.
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. 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.
Emergency Line in San Mateo, CA: +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. Getting this wrong means a system that cycles constantly and fails years ahead of schedule. All major brands serviced. All CA permits handled.
San Mateo, CA Home Service: +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.
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. 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. 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 →Maintenance plan members in San Mateo, CA consistently have fewer emergency calls than comparable non-plan households. 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.
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.
Real person. Real-time. Not a bot or a callback queue. Your location is logged and dispatch starts immediately.
The nearest CA-licensed technician is routed to your address. 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. Nothing begins until you've reviewed and approved it.
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.
Stated as policies, not promises — because promises without systems are just marketing.
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.
Proximity to San Mateo, CA is intentional, not accidental. 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. Documentation available before any San Mateo, CA job.
90 days. Parts and labor. No argument. The guarantee appears on your invoice because verbal assurances aren't guarantees.
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 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."
"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.

Don't sit with a broken system in San Mateo, CA waiting on a callback that may or may not come. Call +1-844-586-3138 right now and speak to a live dispatcher who will get a licensed tech to your door fast.
📞 +1-844-586-3138 — Air Conditioning Service in San Mateo, CA, 24/7