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22 Years
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Emergency
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Your Trusted Plumbing & HVAC Experts in Derry, NH
Hatfield Brothers Mechanical has proudly served residential plumbing, heating, and cooling needs in New England since 2004. With over 20 years of combined industry experience, our team delivers trusted solutions tailored to homeowners' unique requirements. We specialize in water heater and boiler repair, HVAC system maintenance, and water filtration services, prioritizing safety, comfort, and reliability for every family we serve. Our commitment to excellence is demonstrated through 100% satisfaction guarantees, same-day emergency response capabilities, and a fully insured, highly experienced technical staff.

We maintain open communication throughout every project, offering transparent pricing and expert guidance to help clients make informed decisions about their home systems. From routine maintenance to complete system installations, we combine technical expertise with personalized service to ensure optimal performance of essential mechanical systems year-round.
Services
Plumbing Services Heating Systems Air Conditioning Water Heaters Gas Piping Boiler Repair Furnace Service Oil Burner Maintenance Water Filtration Mini Splits
Details
  • Year established: 2004
Highlights and features
  • We offer 24/7 emergency service for urgent heating needs
  • Our team has 20+ years of combined industry experience
  • We provide free in-home estimates for water heater replacements
  • 100% satisfaction guarantee on all plumbing and HVAC work
  • Fully insured technicians with immediate parts availability on service vehicles
What people say
Timely, clean, professional Polite, knowledgeable, professional Never disappointed Ready to help Highly recommend
Services
Plumbing Services
Our comprehensive plumbing solutions address all residential needs from leak repairs to complete system installations. Expert technicians handle water heaters, faucets, toilets, and gas piping with immediate parts availability. We specialize in emergency plumbing services maintaining 24/7 readiness for urgent situations.
Heating Systems
Complete heating services include furnace and boiler installation, maintenance, and emergency repairs across New England. Our team works with oil and gas systems, offering efficiency upgrades and seasonal maintenance to ensure reliable winter operation while prioritizing safety checks for carbon monoxide concerns.
Air Conditioning
Professional AC services cover system installation, repair, and maintenance for residential properties. We service condensers, mini-splits, and heat pumps while providing expert guidance on efficiency improvements and seasonal preparedness for summer cooling needs.
Water Filtration
Custom water treatment solutions begin with professional testing followed by system recommendations. We install whole-house filtration systems, water softeners, and sediment filters addressing specific water quality issues identified through diagnostic testing procedures.
Oil Burner Service
Specialized maintenance and repair services for oil heating systems ensure optimal performance and safety. Our certified technicians perform comprehensive inspections, cleanings, and efficiency upgrades for oil-fired furnaces and boilers throughout the heating season.
Questions
What heating services do you offer?
We provide complete heating system services including furnace and boiler installation, repair, and maintenance for both oil and gas systems with emergency service availability.
Are emergency plumbing services available?
Yes, we offer 24/7 emergency plumbing response for urgent situations like burst pipes or heating failures during cold weather months.
Do you service both NH and MA?
We proudly serve Southern New Hampshire and Northern Massachusetts including Derry, Manchester, Salem, and surrounding communities with all our mechanical services.
What financing options exist?
We offer financing options for major system replacements and installations with approved credit, subject to conditions discussed during your free consultation.
How quickly can you perform repairs?
Most repairs completed within 24-48 hours with same-day emergency service available, and technicians carry common replacement parts for immediate fixes.
Reviews (6)
Galaxy The Author
Dec 04, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness
Matt is a good honest dude!! They do a great job, and saved us on a day where we had no heat!! Would definitely recommend!!
Service:Heating system repair
Jeanne Wallace
Jun 02, 2021 Report
Positive:Professionalism,Quality,Value
So impressed with Matt Hatfield and his team at Hatfield Brothers Mechanical. On time, clean, professional, detailed, finished a huge job in one day and explained the workings of the new system to me. BEST plumbing/heating contractor I have had here in 30 years. Thank you!
Service:Heating system installation
Dawn Carroll
Jul 24, 2020 Report
After using multiple Derry related vendors over the past 5 years...Matt and his company proved most knowledgeable and reasonable as it related to the solution. They are now my new go to for anything heating/ac related and I will continue to explore their other services. Matt and his team completed a 2 day job in 1 day despite the heat in my attic so we could have AC for my baby and elder dog...they worked from 7am to almost 5pm to get the job done. They are now my go-to company for anything AC and Heating related.
Richard Phelps
Oct 07, 2019 Report
Called this company for a boiler leak.Matt was very pleasant and knowledgeable. The price was very fair and he came within two days of me calling.Matt was very professional along with his workers. I would recommend his company and I was very satisfied with their workmanship.
Dick Phelps
Aug 11, 2019 Report
This company is awesome. I had them put in a furnace for me. Very dependable, reasonably priced and very professional. I was impressed with their workmanship and how clean my cellar was left. Matt was extremely knowledgeable and answered all my questions. I referred their company to others and I was told they were happy with the referral and would use them again.
Kay Brain
Jun 28, 2019 Report
Had Matt come out when we first moved in our house to replace our furnace. He showed up when he said he was going to and got right to work. Him and his team were polite, knowledgeable, professional. We recently called him again to move our ac unit, again they came right out and quickly got it done. I would highly recommend Hatfield brothers.