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

If you've dealt with contractors in Duncan, SC who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't SC licensed — you know exactly why the bar feels low in this market.
FH HVAC operates on a different standard in Duncan, SC. Every technician we send holds an active SC 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 Duncan, SC right now.
System failure in Duncan, SC doesn't wait for business hours. A live dispatcher at +1-844-586-3138 routes the nearest SC-licensed tech to your location and gives you an ETA before you hang up. Most Duncan, SC emergency calls resolve on the first visit. Written quote before we start — always.
Duncan, SC Emergency: +1-844-586-3138From a full system replacement to a targeted repair in your Duncan, SC 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 SC permits pulled. Parts and labor both warranted.
Schedule Duncan, SC home serviceA failed HVAC system in your Duncan, SC office, retail location, or commercial facility means real money lost. Our commercial team handles rooftop units, large split systems, VRF and chiller work across Duncan, SC — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
Duncan, SC commercial pricingYour Duncan, SC 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 Duncan, SC's specific climate demands. Most impactful for households managing asthma or recurring respiratory conditions.
Air quality service in Duncan, SCHeat pump and ductless mini-split demand in Duncan, SC has grown as homeowners understand the efficiency and versatility advantages. Our Duncan, SC 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 Duncan, SCThe Duncan, SC systems that run reliably for 20 years get maintained twice a year. The ones that fail early usually don't. Our Duncan, SC 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 Duncan, SCFour steps. No surprises. That's the whole model.
A live dispatcher picks up in Duncan, SC — day or night, no exceptions. Not a bot. Not a callback queue. A real person who starts routing a technician immediately.
The nearest SC-licensed technician is routed to your Duncan, SC address. Every credential verified before they arrive at your door.
You get the full cost in writing before anything begins in Duncan, SC. 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 Duncan, SC job. Verifiable. Documented.
What you approve is what you pay. Always. No post-job surprises in Duncan, SC.
SC license, general liability, and workers' comp — all current, all documented, available on request for any Duncan, SC job.
We maintain staffing close to Duncan, SC 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.
Not voicemail. Not a bot. A live dispatcher who has a technician moving toward your Duncan, SC address within minutes.
"I asked for proof of SC licensing before letting anyone in. Two contractors couldn't produce it. FH HVAC sent documentation in under two minutes."
— Duncan, SC homeowner, new system installation"I've dealt with three other HVAC contractors in Duncan, SC 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."
"Duncan, SC 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 Duncan, SC 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 Duncan, SC 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 — Duncan, SC Live Dispatch