Finding a reliable Ductwork Repair contractor in San Marcos, TX is harder than it should be. FH HVAC makes the standard clear: written pricing, active TX licensing, live dispatch 24/7, and a 90-day parts and labor guarantee on every job.

The Ductwork Repair contractor market in San Marcos, TX has a real accountability problem. Most homeowners have experienced it: verbal estimates, inconsistent technician quality, invoices that surprise them.
FH HVAC operates on a different standard in San Marcos, TX. Every technician we send holds an active TX 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.

All six services are available in San Marcos, TX — performed by TX-licensed technicians and backed by written pricing and our 90-day guarantee.
System failure in San Marcos, TX doesn't wait for business hours. A live dispatcher at +1-844-586-3138 routes the nearest TX-licensed tech to your location and gives you an ETA before you hang up. Most San Marcos, TX emergency calls resolve on the first visit. Written quote before we start — always.
Emergency line in San Marcos, TXWhether your San Marcos, TX 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 TX permits pulled. Parts and labor both warranted.
Schedule San Marcos, TX home serviceA failed HVAC system in your San Marcos, TX office, retail location, or commercial facility means real money lost. We handle rooftop units, VRF systems, large split systems, and ongoing maintenance agreements for San Marcos, TX commercial properties, scheduled around your business operations. Priority response for commercial service agreement clients.
San Marcos, TX commercial pricingYour San Marcos, TX home's indoor air quality challenges depend on local seasonal patterns. We install HEPA filtration upgrades, UV germicidal systems, dehumidifiers, humidifiers, and ERVs configured for this region's conditions. Most impactful for households managing asthma or recurring respiratory conditions.
Indoor air quality: +1-844-586-3138More San Marcos, TX homeowners are choosing heat pumps and ductless systems for additions, garages, and conversions where running ductwork through existing walls isn't practical. Our San Marcos, TX technicians are factory-trained on all major brands — Mitsubishi, Daikin, Fujitsu, LG, Bosch — and handle everything from initial installation through refrigerant service.
Heat pump service in San Marcos, TXThe San Marcos, TX systems that run reliably for 20 years get maintained twice a year. The ones that fail early usually don't. Two tune-ups annually, priority dispatch year-round, 15% off parts and labor, refrigerant checks, coil cleaning, and a written condition report every visit.
Maintenance plan in San Marcos, TXNo mystery, no fine print. This is the exact process for every San Marcos, TX job we take on.
Real person answers. Not voicemail. Dispatch starts immediately from a position close to San Marcos, TX.
The nearest TX-licensed technician is routed to your San Marcos, TX address. Every credential verified before they arrive at your door.
You get the full cost in writing before anything begins in San Marcos, TX. Nothing starts until you've reviewed and approved it in writing. What you approve is what you pay.
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 Marcos, TX.
What you approve is what you pay. Always. Itemized, signed, and binding before we begin.
TX license, general liability, and workers' comp — all current, all documented, available on request for any San Marcos, TX job.
Regional technician positioning throughout San Marcos, TX 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 confirms your ETA before the call ends.
"Before I gave anyone access to my home in San Marcos, TX, I asked for documentation. FH HVAC was the only contractor who had it ready without hesitation."
— Verified customer, San Marcos, TX"Called FH HVAC in San Marcos, TX 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 San Marcos, TX."
"Our business in San Marcos, TX 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 San Marcos, TX 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 Marcos, TX with licensed technicians, written upfront pricing, and live 24/7 dispatch. One call. Real ETA. No runaround.
📞 Call +1-844-586-3138 — San Marcos, TX Live Dispatch