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

If you've dealt with contractors in Old Lyme, CT who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't CT licensed — you know exactly why the bar feels low in this market.
When you call FH HVAC in Old Lyme, CT, you get a CT-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 Old Lyme, CT — performed by CT-licensed technicians and backed by written pricing and our 90-day guarantee.
System failure in Old Lyme, CT doesn't wait for business hours. A live dispatcher at +1-844-586-3138 routes the nearest CT-licensed tech to your location and gives you an ETA before you hang up. Our trucks carry the parts most common in Old Lyme, CT's HVAC systems, so first-visit repairs are the standard, not the exception.
Old Lyme, CT Emergency: +1-844-586-3138Whether your Old Lyme, CT 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. Skipping this step is how contractors install wrongly sized systems that fail in 10 years instead of lasting 20. All CT permits pulled. Parts and labor both warranted.
Schedule Old Lyme, CT home serviceCommercial HVAC failure in Old Lyme, CT costs more than discomfort — it costs you customers, productivity, and sometimes compliance. Our commercial team handles rooftop units, large split systems, VRF and chiller work across Old Lyme, CT — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
Commercial HVAC in Old Lyme, CTYour Old Lyme, CT 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 Old Lyme, CT's specific climate demands. Most impactful for households managing asthma or recurring respiratory conditions.
Indoor air quality: +1-844-586-3138More Old Lyme, CT 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 Old Lyme, CT, from installation through annual efficiency checks.
Ductless install: +1-844-586-3138The Old Lyme, CT 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 Old Lyme, CTFour steps. No surprises. That's the whole model.
A live dispatcher picks up in Old Lyme, CT — day or night, no exceptions. Not a bot. Not a callback queue. A real person who starts routing a technician immediately.
The nearest CT-licensed technician is routed to your Old Lyme, CT address. Background-checked, NATE certified, EPA 608 credentialed.
After diagnosing your system in Old Lyme, CT, your technician hands you a written, itemized quote. 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.
These are the operating commitments behind every Old Lyme, CT job. Verifiable. Documented.
What you approve is what you pay. Always. Itemized, signed, and binding before we begin.
CT license, general liability, and workers' comp — all current, all documented, available on request for any Old Lyme, CT job.
Regional technician positioning throughout Old Lyme, CT 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 Old Lyme, CT address within minutes.
"I asked for proof of CT licensing before letting anyone in. Two contractors couldn't produce it. FH HVAC sent documentation in under two minutes."
— Verified customer, Old Lyme, CT"Called FH HVAC in Old Lyme, CT 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 Old Lyme, CT."
"Old Lyme, CT 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 Old Lyme, CT 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 Old Lyme, CT 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.
📞 +1-844-586-3138 — Ductwork Repair in Old Lyme, CT