The Best HVAC in Durham, CT

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

#1

Durham Climate Control

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Durham's variable climate. They offer expert installation of top brands like Trane and Carrier, comprehensive maintenance plans to prepare systems for harsh New England winters and humid summers, and 24/7 emergency repair services. Known for their thorough diagnostics and clean work.

12 Main Street, Durham, CT 06422

Specialties & Features

24/7 Emergency Service
High-Efficiency System Installation
Comprehensive Maintenance Plans
Geothermal System Expertise

Business Information

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

Connecticut Valley HVAC & Plumbing

4.6
(94 reviews)
Verified

A family-owned and operated business serving Durham and the surrounding Connecticut River Valley for over two decades. They provide a robust range of HVAC services with a strong focus on energy-efficient solutions and furnace repair, crucial for the area's cold winters. Their technicians are NATE-certified and EPA-certified for refrigerant handling.

428 Maple Avenue, Durham, CT 06422

Specialties & Features

Energy Efficiency Audits
Furnace Repair & Installation
Ductwork Design & Sealing
Boiler Services

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Shoreline Air Heating & Cooling

4.5
(78 reviews)
Verified

While based in Durham, Shoreline Air has a strong reputation throughout Middlesex County. They excel in responsive emergency service and system replacements. They are authorized dealers for Lennox and other quality brands, offering modern, smart thermostat-integrated systems to optimize home comfort and efficiency year-round.

7 Industrial Park Road, Durham, CT 06422

Specialties & Features

24/7 Emergency Repairs
HVAC System Replacement
Air Quality Solutions
Smart Thermostat Integration

Business Information

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

Why These Are the Top HVAC Contractors in Durham

Durham, CT, experiences a humid continental climate with cold, snowy winters and warm, humid summers, creating a year-round demand for reliable HVAC services. Homeowners prioritize robust heating systems (including furnaces and boilers) for winter and efficient central air conditioning for summer. The market is competitive among local contractors, with a high value placed on 24/7 emergency service availability, especially during winter storms and summer heatwaves. Energy efficiency upgrades are a growing trend due to older housing stock and rising energy costs.

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 Durham regulations and climate

Frequently Asked Questions About HVAC in Durham

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

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

For a standard, single-family home in Durham, a full AC replacement typically ranges from $5,000 to $12,000. The final cost depends heavily on the home's size, the system's efficiency (SEER rating), and the complexity of the installation, such as ductwork modifications. Given Connecticut's humid summers, investing in a properly sized, higher-efficiency unit (16+ SEER) can provide better dehumidification and long-term savings on energy bills, despite a higher upfront cost.

2When is the best time of year to schedule HVAC maintenance or replacement in Durham?

The optimal times are during the shoulder seasons—late spring (April-May) for AC service and early fall (September-October) for heating service. Scheduling during these periods ensures your system is ready for Durham's cold winters and humid summers and helps you avoid the high-demand rush periods when wait times are longer. For replacements, planning during these off-peak times often provides more installer availability and potential promotional pricing.

3Are there any local regulations or rebates in Connecticut I should know about when upgrading my HVAC system?

Yes, Connecticut has specific regulations requiring HVAC contractors to be licensed by the state (P1 or S1 license). Furthermore, homeowners should be aware of the Energize CT program, which offers rebates for installing high-efficiency heat pumps, central air conditioners, and furnaces. These rebates, combined with potential federal tax credits, can significantly reduce the net cost of an upgrade for Durham residents.

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

Always verify that the contractor holds a current Connecticut HVAC license (P1 for plumbing and piping, S1 for heating, cooling, and sheet metal) and carries both liability and workers' compensation insurance. Seek out local companies with strong reputations in Middlesex County, read verified reviews, and ask for references from recent installations in similar-aged Durham homes. A trustworthy provider will perform a detailed load calculation (Manual J) to ensure proper system sizing.

5My older Durham home has a boiler system. Should I consider switching to a heat pump?

With Durham's cold climate, a modern cold-climate air-source heat pump can be an excellent, efficient primary heating system, especially when paired with a backup heat source for extreme cold snaps. Switching can provide significant energy savings, year-round comfort with cooling, and access to state rebates. However, a thorough home energy assessment is crucial to evaluate your home's insulation and whether your existing ductwork or electrical service can support the new system.