The question isn't whether you need Furnace Repair service in Larkspur, CA — it's which contractor you trust to do it right. FH HVAC's answer: a written quote before we start, a CA-licensed technician at your door fast, and a 90-day guarantee documented on every invoice.

The Furnace Repair contractor market in Larkspur, CA has a real accountability problem. Most homeowners have experienced it: verbal estimates, inconsistent technician quality, invoices that surprise them.
When you call FH HVAC in Larkspur, CA, you get a CA-licensed technician with NATE certification and EPA 608 credentials. Your quote is in writing before we start. Your guarantee is on your invoice. Calling +1-844-586-3138 at any hour connects you to a real person who confirms your ETA before you hang up.

All six services are available in Larkspur, CA — performed by CA-licensed technicians and backed by written pricing and our 90-day guarantee.
System failure in Larkspur, CA doesn't wait for business hours. A live dispatcher at +1-844-586-3138 routes the nearest CA-licensed tech to your location and gives you an ETA before you hang up. Our trucks carry the parts most common in Larkspur, CA's HVAC systems, so first-visit repairs are the standard, not the exception.
Emergency line in Larkspur, CAWhether your Larkspur, CA home needs a new system or a specific repair, our residential team starts with the Manual J load calculation that determines what your home actually needs. Every installation starts with a proper Manual J load calculation — the step that prevents the common mistake of oversizing, which causes short-cycling and early system failure. All CA permits pulled. Parts and labor both warranted.
Book a Larkspur, CA technicianA failed HVAC system in your Larkspur, CA office, retail location, or commercial facility means real money lost. We handle rooftop units, VRF systems, large split systems, and ongoing maintenance agreements for Larkspur, CA commercial properties, scheduled around your business operations. Priority response for commercial service agreement clients.
Commercial HVAC in Larkspur, CAYour Larkspur, CA home's indoor air quality challenges depend on local seasonal patterns. FH HVAC installs and services HEPA filtration, UV germicidal systems, humidity control equipment, and ERVs matched to Larkspur, CA's specific climate demands. Most impactful for households managing asthma or recurring respiratory conditions.
Indoor air quality: +1-844-586-3138More Larkspur, CA homeowners are choosing heat pumps and ductless systems for additions, garages, and conversions where running ductwork through existing walls isn't practical. Factory training across all major brands means we handle the full job in Larkspur, CA, from installation through annual efficiency checks.
Ductless install: +1-844-586-3138Consistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Larkspur, CA homeowners underinvest in it. Our Larkspur, CA maintenance plan includes two full tune-ups per year, priority scheduling during peak season, a 15% discount on any repair parts and labor, and a written condition report after every visit.
Maintenance plan in Larkspur, CAFour steps. No surprises. That's the whole model.
Real person answers. Not voicemail. You get an ETA for Larkspur, CA before you hang up.
The nearest CA-licensed technician is routed to your Larkspur, CA address. Background-checked, NATE certified, EPA 608 credentialed.
You get the full cost in writing before anything begins in Larkspur, CA. The number you sign is the number on your invoice. We never add charges after work is complete.
90 days, parts and labor, on your invoice — not a verbal promise, a documented commitment.
These are the operating commitments behind every Larkspur, CA job. Verifiable. Documented.
Verbal estimates in Larkspur, CA that change by invoice are how contractors exploit homeowners who don't know to ask. We give you a written quote first. No post-job surprises in Larkspur, CA.
Every FH HVAC technician in Larkspur, CA carries an active CA contractor license. Ask for documentation before any contractor starts work on your system.
We maintain staffing close to Larkspur, CA so average on-site time stays under 60 minutes, even when demand is high.
Every Larkspur, CA repair we complete carries a 90-day parts and labor guarantee printed on your invoice. If it fails, we return at no charge — no debate required.
Calling +1-844-586-3138 at 2 AM in Larkspur, CA gets a person who routes a technician immediately.
"I asked for proof of CA licensing before letting anyone in. Two contractors couldn't produce it. FH HVAC sent documentation in under two minutes."
— Verified customer, Larkspur, CA"Called FH HVAC in Larkspur, CA on a Saturday afternoon, had a tech at the door in under an hour, written quote before they started, invoice matched the quote exactly. I've never had an easier contractor experience in Larkspur, CA."
"Our business in Larkspur, CA had an HVAC failure during a client event. I didn't think anyone would respond that fast on a Friday evening. FH HVAC had a commercial technician there in 50 minutes, diagnosed and fixed within two hours. Nothing we planned had to be cancelled."
"The FH HVAC maintenance plan in Larkspur, CA found a developing refrigerant leak at our annual spring check. They fixed it at the plan rate. I did the math — fixing it in July as an emergency would have cost significantly more. The plan pays for itself."

Don't sit with a broken system in Larkspur, CA while waiting on a contractor who may or may not show up. Call +1-844-586-3138 — a real dispatcher picks up, routes the nearest tech, and gives you an ETA before you hang up.
📞 Call +1-844-586-3138 — Larkspur, CA Live Dispatch