Top 3 HVAC Contractors in Old Lyme

Compare the highest-rated hvac professionals in Old Lyme, Connecticut. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Old Lyme Climate Control

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency system installations, comprehensive maintenance plans, and 24/7 emergency repairs. They are known for their expertise with coastal climate systems that handle both humid summers and cold New England winters.

42 Lyme Street, Old Lyme, CT 06371

Specialties & Features

24/7 Emergency Service
Coastal Climate Systems
Energy Efficiency Upgrades
Ductwork Design & Sealing

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
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#2

Shoreline HVAC & Mechanical

4.6
(118 reviews)
Verified

A trusted local provider with deep expertise in heating and cooling systems for both historic and modern homes in the Old Lyme area. They are a Carrier Factory Authorized Dealer and excel in complex ductwork modifications and smart thermostat integrations for improved home efficiency.

100 Halls Road, Old Lyme, CT 06371

Specialties & Features

Historic Home HVAC
Carrier Systems
Heating System Repairs
Wi-Fi Thermostat Installation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
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#3

Connecticut Energy Pros

4.5
(96 reviews)
Verified

Specializes in energy-efficient HVAC solutions and hybrid system installations. They are a top choice for homeowners looking to reduce energy costs with heat pumps, high-efficiency gas furnaces, and geothermal consultations. Their technicians are NATE-certified and EPA-approved.

22 Library Lane, Old Lyme, CT 06371

Specialties & Features

Heat Pump Installation
Geothermal Consultations
Energy Audits
Hybrid System Specialists

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
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Why These Are the Top HVAC Contractors in Old Lyme

The HVAC market in Old Lyme, CT, is characterized by high demand for systems capable of handling a humid continental climate with significant seasonal variation. Summers are warm and humid, requiring robust air conditioning and dehumidification, while winters are cold and snowy, creating strong demand for reliable heating service and emergency furnace repair. The prevalence of older, historic homes also drives need for specialized ductwork design and zoning systems. Homeowners show a growing preference for energy-efficient upgrades and heat pumps to manage rising energy costs along the shoreline.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Old Lyme regulations and climate