• OVER 20 YEARS INDUSTRY EXPERIENCE
    OVER 20 YEARS INDUSTRY EXPERIENCE

    Derry's Premier Plumbing, Heating and Cooling Company

    Home or commercial, 24 hours a day, Hatfield Brothers Mechanical is ready to help you with your plumbing, heating, cooling, plumbing and ductless split needs.

    Free estimates, on-time appointments, quality equipment.

    Call 603-432-7001

  • REPLACEMENT FURNACES

    FINANCING AVAILABLE

    Save $250 on home furnace replacements

    Get a great deal on a new energy efficient furnace or boiler for your home. Ask about our Natural Gas conversions!

    Free estimates, on-time appointments, expert plumbing, quality equipment.

    Call 603-432-7001

    Gas Boilers
  • WATER HEATERS
    WATER HEATERS

    Water Heater Repair and Replacement

    No Hot Water? No Problem! Our experts will troubleshoot your water heater problems and recommend the right solution for your needs and budget.

    FINANCING AVAILABLE! Free estimates, on-time appointments, expert plumbers, quality equipment.

    Call 603-432-7001

    Water Heaters
  • DRAIN EXPERTS
    DRAIN EXPERTS

    Drain Cleaning Professionals

    We are the go-to team of professionals for plumbing, drain cleaning in the local Derry, NH area. Fast service, Fair prices, Jobs done right the first time.

    Free estimates, on-time appointments, quality equipment.

    Call 603-432-7001

    Drain Clog
Save $250 on any replacement furnace or boiler

6 Months, NO Payments, NO Interest Financing Available!
conditions apply, call now!

The Best Derry Furnace, Plumbing, Air Conditioning & Heating Service Contractors

If you are looking for expert repair or replacement of your furnace, water heater, boiler, ductless splits, expert plumbing or other heating-cooling mechanical services, join the growing number of homeowners and businesses that have experienced the value of our service

WE ARE COMMITTED TO YOU...OUR MOST VALUED ASSET!


When You Need The Very Best…

Hatfield Brothers Mechanical LLC has proudly assisted the local communities with their residential and commercial heating and cooling needs with over 20 years of industry experience.  These mechanical systems are the heart of your home or building.  They keep you comfortably warm during our cold New England winters, cool in the hot summer months and provide essential services for your family all year round.  Most important, they help keep you and your family safe. We're also expert plumbing specialists.

Our goal is to build trusting relationships so that we can provide knowledgeable and relatable information and services that support and enhance what is important to our customers.

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Fully Licensed & Insured | All Work Guaranteed!

We accept all major credit cards

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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!