The Best HVAC in Deerfield, NH

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

#1

Deerfield Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Deerfield's harsh New England winters and humid summers. They are known for expert installation of Bosch and Trane systems, advanced ductwork design, and 24/7 emergency furnace repair services.

12 North Road, Deerfield, NH 03037

Specialties & Features

24/7 Emergency Service
High-Efficiency Furnace Installation
Ductwork Design & Sealing
Heat Pump Systems
Indoor Air Quality Solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Granite State Heating & Cooling

4.6
(94 reviews)
Verified

A trusted local provider with deep expertise in servicing and replacing older oil and propane heating systems common in Deerfield homes. They are certified by ENERGY STAR and specialize in helping homeowners upgrade to modern, cost-effective heat pumps and gas furnaces with flexible financing options.

8 Stagecoach Road, Deerfield, NH 03037

Specialties & Features

Oil to Gas/Heat Pump Conversions
Boiler Repair & Installation
ENERGY STAR Certified
HVAC System Financing
Preventative Maintenance Plans

Business Information

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

All Seasons HVAC Services

4.5
(68 reviews)
Verified

A reliable family-owned operation offering comprehensive HVAC maintenance, repair, and installation. They excel in AC tune-ups before the humid summer months and emergency furnace repairs during winter storms. Known for their honest diagnostics and work on a wide range of brands including Carrier and Lennox.

23 Raymond Road, Deerfield, NH 03037

Specialties & Features

AC Maintenance & Tune-ups
Furnace Repair
Honest Diagnostics & Pricing
Same-Day Service
Generator Hookups

Business Information

Years in Business:11 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Deerfield

Deerfield's HVAC market is driven by a humid continental climate with cold, snowy winters (average lows in the teens) and warm, humid summers. This creates a high demand for reliable heating (especially furnaces and boilers) and growing adoption of air conditioning and heat pumps. The rural nature of the town means many homes use older oil or propane systems, creating a significant market for energy-efficient upgrades and conversions. Demand peaks during winter for emergency heat repairs and in late spring for AC maintenance.

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 Deerfield regulations and climate

Frequently Asked Questions About HVAC in Deerfield

Get answers to common questions about hvac services in Deerfield, New Hampshire.

1What is the best time of year to schedule a new furnace or heat pump installation in Deerfield?

The ideal time is during the late spring or early fall (May-June or September-October). This avoids the peak summer AC demand and the winter rush for heating repairs, ensuring better scheduling availability and often more competitive pricing. Given Deerfield's cold winters, waiting until a deep freeze can lead to emergency service premiums and potential discomfort.

2Are there specific local regulations or rebates for HVAC upgrades in New Hampshire I should know about?

Yes, Deerfield homeowners should be aware of two key items. First, all HVAC work must be performed by a New Hampshire licensed gas fitter or refrigeration technician. Second, you should check for current rebates from New Hampshire's NHSaves program, which often offers incentives for high-efficiency heat pumps and other upgrades, helping offset costs and improve home energy savings.

3How does Deerfield's climate affect the type of HVAC system I should choose?

Our humid summers and long, harsh winters with temperatures often dropping below freezing require a robust, dual-purpose system. A high-efficiency heat pump paired with a backup furnace (dual-fuel system) is an excellent choice, providing efficient cooling and heating while ensuring reliable warmth during extreme cold snaps when a standard heat pump's efficiency drops.

4What should I look for when choosing a local HVAC contractor in the Deerfield area?

Prioritize contractors who are locally based, fully insured, and hold the necessary New Hampshire state licenses. Look for companies with proven experience in our specific climate, offering detailed, written estimates and clear explanations of their recommended solutions. Checking reviews from other Seacoast or Southern NH residents can also provide insight into their reliability and service quality.

5My system is old but still works. Should I wait for it to fail before replacing it?

Proactive replacement is highly recommended. Scheduling a replacement on your terms avoids the stress, potential safety risks, and high cost of an emergency breakdown during a Deerfield winter storm or summer heatwave. Modern systems are significantly more energy-efficient, so upgrading before a catastrophic failure can start saving you money on monthly utility bills immediately.