Best AC Repair and Installations in Derry NH

Call Now: 603-432-7001

If you are looking for expert heating and cooling services, join the growing number of smart homeowners and businesses that have experienced the value of our service…...

CALL TODAY ... (603) 432-7001

Heating & Cooling Services

Offering Top-Quality Heater and Cooling Repairs, Installations and More in Derry NH

Although the local New England area can bring some warm days during the year, temperatures can drop dramatically during the fall, winter and early spring months and when they do, you rely on your heater to keep you warm and comfortable. When something goes wrong, you need reliable heater services and you need them fast. Keeping your home or business warm isn’t just a matter of comfort—it’s also a matter of safety, as the threat of carbon monoxide poisoning can have serious and even deadly consequences.

250 banner rep furn boiler

Hatfield Brothers Mechanical is proud to offer a complete range of heating and cooling services. Whether you need a new furnace or HVAC unit installed, have a problem with your existing heater or HVAC unit that requires professional repairs, or simply wish to schedule routine system maintenance and safety check to maintain your warranty and ensure that your heater runs properly, we can help. We have been serving the region since 2005 with over 20 years of experience, offering outstanding workmanship and unparalleled customer care with every service we provide.

Heating & Cooling Services We Offer:

We are trained on all types of heating and cooling systems, including furnaces, heat pumps, HVAC units, boilers and more. We service all makes and models, offering an array of heating services for homeowners and business owners throughout the local region.

We are prepared to assist you with any of the following:

  • New heating or cooling system installation
  • A/C system repair
  • Gas, Oil and Electric Furnaces
  • Gas and Oil Boilers
  • Oil Tanks 
  • Oil to Gas Conversions
  • Heat Pumps
  • HVAC unit installations, repair and maintenance
  • Condenser replacement
  • Comprehensive heater repairs
  • Complete system replacement
  • Routine Maintenance & Safety Checks
  • Heating inspections and tune-ups
  • Thermostat installation and service

Don’t see what you need listed here? Don’t worry! We’re equipped to handle just about any heating service you may need—just give us a call to discuss your needs with a member of our team today!

We are proud to be able to provide the highest quality services at the most competitive rates in the industry!

Contact us at (603) 432-7001 to get started!


Company Info

Service Hours: Mon-Fri: 8am - 5pm
Sat - Sun: Emergency Only
Phone: (603) 432-7001

Service Areas Derry, Londonderry, Hudson, Nashua, Windham, Chester and surrounding areas.

Our Promise

When You Hire Hatfield Brothers Mechanical, You Get Experience, Knowledge, Quality and Commitment, at the most competitive rates!