The question isn't whether you need Hvac Maintenance service in San Francisco, 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.

If you've dealt with contractors in San Francisco, CA who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't CA licensed — you know exactly why the bar feels low in this market.
FH HVAC operates on a different standard in San Francisco, CA. Every technician we send holds an active CA license, NATE certification, and a current EPA 608 refrigerant credential. Every quote is written and itemized before any work starts. Every completed job carries a 90-day guarantee documented on your invoice. Call +1-844-586-3138 and a live dispatcher picks up — day or night, weekend or holiday.

Licensed, insured, and guaranteed. Every service below is available in San Francisco, CA right now.
System failure in San Francisco, 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. Most San Francisco, CA emergency calls resolve on the first visit. Written quote before we start — always.
Emergency line in San Francisco, CAFrom a full system replacement to a targeted repair in your San Francisco, CA home, our residential technicians don't guess system size. Skipping this step is how contractors install wrongly sized systems that fail in 10 years instead of lasting 20. All CA permits pulled. Parts and labor both warranted.
Schedule San Francisco, CA home serviceA failed HVAC system in your San Francisco, CA office, retail location, or commercial facility means real money lost. Our commercial team handles rooftop units, large split systems, VRF and chiller work across San Francisco, CA — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
San Francisco, CA commercial pricingYour San Francisco, 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 San Francisco, CA's specific climate demands. Most impactful for households managing asthma or recurring respiratory conditions.
Air quality service in San Francisco, CAHeat pump and ductless mini-split demand in San Francisco, CA has grown as homeowners understand the efficiency and versatility advantages. Our San Francisco, CA technicians are factory-trained on all major brands — Mitsubishi, Daikin, Fujitsu, LG, Bosch — and handle everything from initial installation through refrigerant service.
Ductless install: +1-844-586-3138The San Francisco, CA systems that run reliably for 20 years get maintained twice a year. The ones that fail early usually don't. Our San Francisco, 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 San Francisco, CAFour steps. No surprises. That's the whole model.
Real person answers. Not voicemail. You get an ETA for San Francisco, CA before you hang up.
We dispatch from the closest available tech to your San Francisco, CA location. Background-checked, NATE certified, EPA 608 credentialed.
You get the full cost in writing before anything begins in San Francisco, 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.
Operating standards, not slogans. Everything on this list is policy at FH HVAC in San Francisco, CA.
Verbal estimates in San Francisco, CA that change by invoice are how contractors exploit homeowners who don't know to ask. We give you a written quote first. Itemized, signed, and binding before we begin.
Every FH HVAC technician in San Francisco, CA carries an active CA contractor license. Ask for documentation before any contractor starts work on your system.
Regional technician positioning throughout San Francisco, CA keeps response times under 60 minutes in most markets — including during peak summer and winter demand.
The guarantee is on the invoice. 90 days, parts and labor. Not a handshake — a documented commitment.
Not voicemail. Not a bot. A live dispatcher who has a technician moving toward your San Francisco, CA address within minutes.
"Before I gave anyone access to my home in San Francisco, CA, I asked for documentation. FH HVAC was the only contractor who had it ready without hesitation."
— Verified customer, San Francisco, CA"I've dealt with three other HVAC contractors in San Francisco, CA in the past two years. Every one had some billing issue, some miscommunication, some problem. FH HVAC showed up fast, gave me a written quote, and billed me exactly that amount. This should be the standard."
"San Francisco, CA commercial HVAC emergency on a Friday. FH HVAC had someone there fast, correctly diagnosed a failed capacitor, and had the system running before the event was compromised. Exceptional response time for a commercial call."
"The FH HVAC maintenance plan in San Francisco, 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."

FH HVAC covers all of San Francisco, CA with licensed technicians, written upfront pricing, and live 24/7 dispatch. One call. Real ETA. No runaround.
📞 Call +1-844-586-3138 — San Francisco, CA Live Dispatch