The Best HVAC in New Canaan, CT

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

#1

New Canaan Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency system installations, including geothermal and dual-fuel systems, for New Canaan's historic and modern homes. Known for meticulous system design and expertise with top brands like Carrier and Trane.

124 Main Street, New Canaan, CT 06840

Specialties & Features

Energy Efficiency Consulting
Geothermal Systems
24/7 Emergency Service
Whole-Home Humidity Control

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#2

Fairfield County Furnace & Air

4.7
(94 reviews)
Verified

A family-owned and operated HVAC specialist with deep roots in the community. They excel in heating system repair and replacement, particularly with oil and gas furnaces common in older New Canaan homes, and offer comprehensive annual maintenance plans.

456 Elm Street, New Canaan, CT 06840

Specialties & Features

Furnace Repair & Installation
Oil-to-Gas Conversion
Ductwork Design & Sealing
Priority Service Plans

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Connecticut Cool Air

4.5
(112 reviews)
Verified

Provides reliable and fast HVAC service with a strong focus on air conditioning solutions and indoor air quality. They are a go-to for AC installations, heat pump services, and addressing the high humidity levels during Connecticut summers with advanced dehumidification systems.

789 Pine Street, New Canaan, CT 06840

Specialties & Features

AC Installation & Repair
Heat Pumps
Indoor Air Quality Solutions
Ductless Mini-Splits

Business Information

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

Why These Are the Top HVAC Contractors in New Canaan

The HVAC market in New Canaan, CT, is characterized by high demand for both robust heating solutions for cold, snowy winters and efficient, dehumidifying cooling for hot, humid summers. The affluent community, with a mix of historic estates and new, high-performance homes, demands expertise in high-efficiency systems (like modulating furnaces and variable-speed ACs), smart home integration, and energy-efficient upgrades. Service reliability and 24/7 emergency response are critical due to the climate extremes. Providers must be well-versed in both older systems (oil furnaces, boilers) and modern technologies (geothermal, ductless mini-splits).

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 New Canaan regulations and climate

Frequently Asked Questions About HVAC in New Canaan

Get answers to common questions about hvac services in New Canaan, Connecticut.

1What is the typical cost range for replacing a central air conditioning system in a New Canaan home?

For a full high-efficiency AC system replacement in New Canaan, homeowners can typically expect a cost range between $8,000 and $15,000. This range accounts for the size of your home (often 2,500-4,500 sq ft in the area), the complexity of the installation in older homes, and the efficiency tier of the unit. Local factors like Connecticut's sales tax on HVAC installations and potential rebates from Energize CT for high-efficiency models will influence the final price.

2When is the best time to schedule HVAC maintenance or replacement in New Canaan?

The optimal time for AC maintenance or replacement is early spring (March-April), and for heating system work, late summer (August-September). Scheduling during these shoulder seasons ensures you are prepared for Fairfield County's humid summers and cold winters, and you'll have much better availability from local contractors compared to the peak summer or winter emergency periods.

3Are there any local regulations or incentives in Connecticut I should know about before installing a new HVAC system?

Yes, Connecticut has specific regulations and valuable incentives. All HVAC contractors must be licensed by the State of Connecticut. Furthermore, the Energize CT program offers significant rebates for installing high-efficiency heat pumps and other qualifying systems, which can offset costs. It's also important to check with the New Canaan Building Department if your project requires a permit, which is common for full system replacements.

4How do I choose a reliable HVAC contractor in the New Canaan area?

Prioritize contractors who are both licensed by the State of Connecticut and have extensive local experience with New Canaan's mix of historic and modern homes. Look for companies that are NATE-certified, offer detailed written estimates, and have strong reviews referencing timely service, especially during our seasonal extremes. A trustworthy provider will perform a full load calculation for your specific home, not just recommend the same size unit you already have.

5My older New Canaan home is very drafty. Will a new furnace or boiler alone solve my heating problems?

Not entirely. While a new, properly sized high-efficiency heating system is important, addressing the home's building envelope is critical for comfort and efficiency in our climate. We recommend a holistic approach: before or alongside a HVAC upgrade, consider air sealing, adding attic insulation, and evaluating your windows. This reduces the heating load, allows for a correctly sized system, and prevents the new unit from overworking to compensate for heat loss.