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

The Heat Pump Repair contractor market in Duncan, SC 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 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. Calling +1-844-586-3138 at any hour connects you to a real person who confirms your ETA before you hang up.

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. Our trucks carry the parts most common in Duncan, SC's HVAC systems, so first-visit repairs are the standard, not the exception.
Duncan, SC Emergency: +1-844-586-3138Whether your Duncan, SC 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 SC permits pulled. Parts and labor both warranted.
Book a Duncan, SC technicianCommercial HVAC failure in Duncan, SC costs more than discomfort — it costs you customers, productivity, and sometimes compliance. We handle rooftop units, VRF systems, large split systems, and ongoing maintenance agreements for Duncan, SC commercial properties, scheduled around your business operations. Priority response for commercial service agreement clients.
Duncan, SC commercial pricingIndoor air quality in Duncan, SC 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: +1-844-586-3138More Duncan, SC 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 Duncan, SC, from installation through annual efficiency checks.
Heat pump service in Duncan, SCConsistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Duncan, SC 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 Duncan, SCFour steps. No surprises. That's the whole model.
Real person answers. Not voicemail. Dispatch starts immediately from a position close to Duncan, SC.
The nearest SC-licensed technician is routed to your Duncan, SC address. Background-checked, NATE certified, EPA 608 credentialed.
You get the full cost in writing before anything begins in Duncan, SC. The number you sign is the number on your invoice. We never add charges after work is complete.
The job gets done and backed by a 90-day parts and labor guarantee documented on your invoice.
Operating standards, not slogans. Everything on this list is policy at FH HVAC in Duncan, SC.
Verbal estimates in Duncan, SC 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 Duncan, SC carries an active SC contractor license. Ask for documentation before any contractor starts work on your system.
Regional technician positioning throughout Duncan, SC keeps response times under 60 minutes in most markets — including during peak summer and winter demand.
Every Duncan, SC 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.
Not voicemail. Not a bot. A live dispatcher who has a technician moving toward your Duncan, SC address within minutes.
"Before I gave anyone access to my home in Duncan, SC, I asked for documentation. FH HVAC was the only contractor who had it ready without hesitation."
— Verified customer, Duncan, SC"Called FH HVAC in Duncan, SC 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 Duncan, SC."
"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."
"Two years on the maintenance plan in Duncan, SC. 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 Duncan, SC with licensed technicians, written upfront pricing, and live 24/7 dispatch. One call. Real ETA. No runaround.
📞 Call +1-844-586-3138 — Duncan, SC Live Dispatch