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Expert HVAC Service Offering your family dependable comfort since 1958

Your Home Should Be Comfortable – No Matter The Weather.

If your heating and cooling system isn’t performing well, you need a solution as soon as possible. When that happens, Keating Plumbing and Heating is ready to get your system back in working order. Our experienced technicians can take on any obstacle your home comfort system throws at you—whether it’s time for an emergency repair, a regular tune-up or a new system installation. Schedule your appointment by calling Keating Plumbing and Heating at 603-876-4447 or contact us online.

As a proud Mitsubishi Diamond Dealer, Keating Plumbing and Heating offers you exclusive benefits that go beyond expert installation and service. Our partnership with Mitsubishi gives us priority access to special consumer financing options and exclusive discounts on extended labor-warranty programs — helping you get the best value on your home comfort investment.

Our happy customers

“I just wanted to say thank you for your help today. We found out last night that we didn’t have any hot water and were totally lost on how to fix. Even though we weren’t existing customers, we were treated as if we were with you for years. All I can say is WOW! The service was exemplary. The technician was thorough, friendly, and took the time to show me how everything should work. He is a credit to your company. Great work all around. Thank you to you and your team for a job well done.” ~ Steve

Services We Offer

Our certified, experienced technicians can assist with a wide range of HVAC services. Whether you need help with your heating, cooling or indoor air quality equipment, we’ll be glad to help. Our only priority is making sure you’re comfortable.

Heating

Our comprehensive heating services are designed to help you keep warm through even the coldest winter weather.

Cooling

Prompt and professional cooling services keep your air conditioning in dependable condition, even when the temperature breaks into triple digits.

IAQ

Limiting airborne contaminants and balancing humidity improves your home’s indoor air quality, which is equally important for your sense of comfort.

air purifier ng

Schedule an Appointment Today

Keating Plumbing and Heating has proudly served the Marlborough, NH and the surrounding area for over 6 decades. Get in touch with us today to reach the ultimate in home comfort.

Frequently asked questions:

Do mini splits need annual maintenance?2026-04-22T10:33:23-04:00

Yes. Even though they are efficient, mini split systems still require annual service to operate
properly and avoid long-term issues.

Why choose Keating for HVAC service?2026-04-22T11:44:28-04:00

Keating Plumbing & Heating has been serving the region since 1958. Homeowners searching
for the best HVAC company near me choose us for experienced technicians, straightforward recommendations, and reliable service.
→ Read more about Keating Plumbing & Heating

Do you install heat pumps and mini splits?2026-04-22T11:43:28-04:00

Yes. We install heat pumps, ductless mini splits, furnaces, and boilers. We’ll help you choose
what fits your home and budget.
→ Explore heat pump installation options

Are you licensed, insured, & background checked?2026-04-22T10:42:05-04:00

Yes. Our technicians are licensed and insured and have had a background check.

How often should I service my furnace or AC system?2026-04-22T11:48:45-04:00

At least once per year. Regular HVAC maintenance helps prevent breakdowns and keeps your
system running efficiently.

  • Heating systems: fall
  • Cooling systems: spring

If you’re searching for HVAC service near me or a seasonal tune-up, this is the type of
maintenance we provide.
→ Explore our HVAC maintenance services

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