Finding a reliable Hvac Maintenance contractor in Keller, 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.

If you've dealt with contractors in Keller, TX who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't TX licensed — you know exactly why the bar feels low in this market.
When you call FH HVAC in Keller, TX, you get a TX-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 Keller, TX — performed by TX-licensed technicians and backed by written pricing and our 90-day guarantee.
Your HVAC system quit in Keller, TX and you need someone right now. Calling +1-844-586-3138 connects you to a live dispatcher who routes a TX-licensed technician toward your address immediately — not a callback promise. Our trucks carry the parts most common in Keller, TX's HVAC systems, so first-visit repairs are the standard, not the exception.
Keller, TX Emergency: +1-844-586-3138From a full system replacement to a targeted repair in your Keller, TX home, our residential technicians don't guess system size. 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 Keller, TX home serviceA failed HVAC system in your Keller, 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 Keller, TX commercial properties, scheduled around your business operations. Priority response for commercial service agreement clients.
Keller, TX commercial pricingIndoor air quality in Keller, TX is affected by the specific seasonal conditions here — humidity patterns, allergen load, and how airtight homes tend to be in this climate. 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: +1-844-586-3138Heat pump and ductless mini-split demand in Keller, TX has grown as homeowners understand the efficiency and versatility advantages. Our Keller, 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 Keller, TXConsistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Keller, TX homeowners underinvest in it. 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 Keller, TXNo mystery, no fine print. This is the exact process for every Keller, TX job we take on.
Real person answers. Not voicemail. Dispatch starts immediately from a position close to Keller, TX.
The nearest TX-licensed technician is routed to your Keller, TX address. Every credential verified before they arrive at your door.
After diagnosing your system in Keller, TX, your technician hands you a written, itemized quote. 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.
These are the operating commitments behind every Keller, TX job. Verifiable. Documented.
What you approve is what you pay. Always. No post-job surprises in Keller, TX.
Every FH HVAC technician in Keller, TX carries an active TX contractor license. Ask for documentation before any contractor starts work on your system.
We maintain staffing close to Keller, TX so average on-site time stays under 60 minutes, even when demand is high.
The guarantee is on the invoice. 90 days, parts and labor. Not a handshake — a documented commitment.
Calling +1-844-586-3138 at 2 AM in Keller, TX gets a person who routes a technician immediately.
"Before I gave anyone access to my home in Keller, TX, I asked for documentation. FH HVAC was the only contractor who had it ready without hesitation."
— Verified customer, Keller, TX"I've dealt with three other HVAC contractors in Keller, TX 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."
"Keller, TX 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."
"Two years on the maintenance plan in Keller, TX. At the spring tune-up this year they found a slow refrigerant leak in my evaporator coil. Caught and fixed at the maintenance pricing. That would have been an emergency call in August at double the cost."

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