A broken HVAC system in Old Lyme, CT isn't a someday problem. FH HVAC dispatches a certified local tech with upfront pricing and a real ETA within minutes of your call.

If you've ever called an HVAC company in Old Lyme, CT and gotten a runaround about pricing, availability, or what's actually wrong with your system, you know exactly why we built FH HVAC the way we did.
Every tech FH HVAC dispatches in Old Lyme, CT is locally positioned, CT licensed, NATE certified, and EPA 608 credentialed. They understand the local building stock, the climate demands specific to this area, and the brands most prevalent in Old Lyme, CT homes and businesses.
Before we touch anything, you get a written quote. When the job is done, you get a 90-day parts and labor guarantee — documented on the invoice. Simple, consistent, and we've held to it since day one.
All six of these services are available in Old Lyme, CT, performed by CT-licensed technicians, backed by our written guarantee.
If your HVAC system just stopped working in Old Lyme, CT, you don't have time for voicemail or a 48-hour wait list. Calling +1-844-586-3138 connects you to a live Old Lyme, CT dispatcher immediately. A licensed technician gets rolling toward your address with an ETA before you hang up. Our trucks carry the most common repair parts for Old Lyme, CT's prevalent HVAC systems, so first-visit fixes are the norm.. Your written quote comes before we start — always.
Emergency Line in Old Lyme, CT: +1-844-586-3138 →Whether you're replacing a system that finally gave up or dealing with a specific repair in your Old Lyme, CT home, the approach is the same. our residential team brings the right tools and the right knowledge of the systems common in this market. We never guess system size in Old Lyme, CT. Every new installation starts with a Manual J load calculation. Getting this wrong means a system that cycles constantly and fails years ahead of schedule. All major brands serviced. All CT permits handled.
Old Lyme, CT Home Service: +1-844-586-3138 →For businesses in Old Lyme, CT, HVAC failure means more than discomfort. In food service, it can mean health code complications. In offices, it means people can't work. FH HVAC's commercial team handles rooftop units, large split systems, VRF and chiller work, and ongoing maintenance agreements for commercial properties throughout Old Lyme, CT. We work around your schedule.
Commercial HVAC in Old Lyme, CT: +1-844-586-3138 →Your air quality in Old Lyme, CT is shaped by local climate factors that shift across the seasons. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, dehumidifiers and ERVs configured for Old Lyme, CT's specific conditions. If someone in your Old Lyme, CT household manages asthma or allergies, improving indoor air quality is one of the most direct improvements available.
Old Lyme, CT Indoor Air Quality: +1-844-586-3138 →More Old Lyme, CT homeowners are choosing heat pumps and ductless systems for their versatility and long-term efficiency. For additions, garages, and converted spaces in Old Lyme, CT where ductwork would mean opening walls, ductless is typically the right call. Our technicians are factory-trained on all major brands and can handle everything from initial installation through refrigerant service and annual performance checks.
Heat Pump Service in Old Lyme, CT: +1-844-586-3138 →Maintenance plan members in Old Lyme, CT consistently have fewer emergency calls than comparable non-plan households. Two full tune-ups per year, priority scheduling when the season peaks and wait times go long, a 15% discount on any repair parts and labor, and a written condition report after every visit. Members frequently tell us the plan paid for itself on the first avoided repair.
Old Lyme, CT Service Plan Details: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call FH HVAC in Old Lyme, CT.
Real person. Real-time. Not a bot or a callback queue. Your location is logged and dispatch starts immediately.
The nearest CT-licensed technician is routed to your address. Most Old Lyme, CT customers have a tech on-site in under an hour.
After diagnosis, your Old Lyme, CT technician hands you a written, itemized quote. Nothing begins until you've reviewed and approved it.
The job gets done right and backed by a 90-day parts and labor guarantee. If it fails within the window, we come back at no charge.
These are operating standards, not taglines.
We don't quote jobs verbally in Old Lyme, CT. Your approved written quote is your guaranteed price in Old Lyme, CT — no exceptions.
Our technicians are staged near Old Lyme, CT — not routed from a central depot an hour out. Even when everyone's calling in Old Lyme, CT, we maintain sub-60-minute response in most locations.
Old Lyme, CT licensing, liability coverage, NATE cert, EPA 608. Documentation available before any Old Lyme, CT job.
If a repair we did in Old Lyme, CT fails within 90 days, we return and fix it at no charge. The guarantee appears on your invoice because verbal assurances aren't guarantees.
Calling +1-844-586-3138 at 2 AM in Old Lyme, CT gets a person, not a machine. Dispatch is confirmed, not promised.
Old Lyme, CT maintenance plan customers have dedicated scheduling that doesn't share the general queue. Plus 15% off parts and labor on any repairs caught at service visits.
"In Old Lyme, CT on a July weekend with no AC, I expected a two-day wait. FH HVAC had a tech there in under an hour. Same-day fix, exact quoted price. Nothing like I've experienced with other contractors."
"We run a small retail shop in Old Lyme, CT and our HVAC went down on a Tuesday during a sale event. FH HVAC had a commercial tech there within the hour, the issue was a failed contactor, and we were back to normal temperature before we lost foot traffic. The price was exactly what they said. Five stars, no question."
"I've been a FH HVAC maintenance plan member in Old Lyme, CT for two years. The spring visit caught a developing refrigerant leak in the evaporator coil and fixed it at the tune-up discount. That avoided what would have been an emergency call in August when it finally failed — and August emergency rates are not fun.

Don't sit with a broken system in Old Lyme, CT waiting on a callback that may or may not come. Call +1-844-586-3138 right now and speak to a live dispatcher who will get a licensed tech to your door fast.
📞 +1-844-586-3138 — Hvac in Old Lyme, CT, 24/7