The question isn't whether you need Hvac service in Old Lyme, CT — it's which contractor you trust to do it right. FH HVAC's answer: a written quote before we start, a CT-licensed technician at your door fast, and a 90-day guarantee documented on every invoice.
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.
FH HVAC operates on a different standard in Old Lyme, CT. Every technician we send holds an active CT 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.
All six services are available in Old Lyme, CT — performed by CT-licensed technicians and backed by written pricing and our 90-day guarantee.
Your HVAC system quit in Old Lyme, CT and you need someone right now. Calling +1-844-586-3138 connects you to a live dispatcher who routes a CT-licensed technician toward your address immediately — not a callback promise. Most Old Lyme, CT emergency calls resolve on the first visit. Written quote before we start — always.
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. 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 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. We handle rooftop units, VRF systems, large split systems, and ongoing maintenance agreements for Old Lyme, CT commercial properties, scheduled around your business operations. Priority response for commercial service agreement clients.
Old Lyme, CT commercial pricingIndoor air quality in Old Lyme, CT is affected by the specific seasonal conditions here — humidity patterns, allergen load, and how airtight homes tend to be in this climate. 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.
Air quality service in Old Lyme, CTHeat pump and ductless mini-split demand in Old Lyme, CT has grown as homeowners understand the efficiency and versatility advantages. Factory training across all major brands means we handle the full job in Old Lyme, CT, from installation through annual efficiency checks.
Ductless install: +1-844-586-3138Consistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Old Lyme, CT homeowners underinvest in it. Our Old Lyme, CT 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 Old Lyme, CTFour steps. No surprises. That's the whole model.
Real person answers. Not voicemail. Dispatch starts immediately from a position close to Old Lyme, CT.
The nearest CT-licensed technician is routed to your Old Lyme, CT address. Background-checked, NATE certified, EPA 608 credentialed.
You get the full cost in writing before anything begins in Old Lyme, CT. The number you sign is the number on your invoice. We never add charges after work is complete.
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 Old Lyme, CT.
What you approve is what you pay. Always. Itemized, signed, and binding before we begin.
Every FH HVAC technician in Old Lyme, CT carries an active CT contractor license. Ask for documentation before any contractor starts work on your system.
We maintain staffing close to Old Lyme, CT so average on-site time stays under 60 minutes, even when demand is high.
Every Old Lyme, CT 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.
Calling +1-844-586-3138 at 2 AM in Old Lyme, CT gets a person who routes a technician immediately.
"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."
"Our business in Old Lyme, CT 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."
"Two years on the maintenance plan in Old Lyme, CT. 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 Old Lyme, CT with licensed technicians, written upfront pricing, and live 24/7 dispatch. One call. Real ETA. No runaround.
📞 Call +1-844-586-3138 — Old Lyme, CT Live Dispatch
