Logo for Dempsey Energy, trusted HVAC Contractor North Attleboro, with "Dempsey" in bold orange gradient uppercase letters and "energy" in lowercase green below, set over a background of colored rectangles.
Logo for Dempsey Energy, trusted HVAC Contractor North Attleboro, with "Dempsey" in bold orange gradient uppercase letters and "energy" in lowercase green below, set over a background of colored rectangles.
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$79 AC Inspection Special – Limited-time Spring Offer | SAVE $100 AC Inspection

North Attleboro HVAC, Plumbing & Electrical Company

Your Home Comfort Advisors

Trust our home comfort advisors to provide solutions to your HVAC, plumbing, and energy needs. Contact us today for quality service.

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Heating

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Air Conditioning

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Plumbing

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HVAC

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Electrical

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Expert HVAC, Plumbing, and Energy Solutions You Can Trust

Your Home Comfort Advisors

At Dempsey Energy, we understand that your home’s comfort depends on reliable North Attleboro HVAC, plumbing, electrical and energy systems. For over 30 years, families across Massachusetts have trusted us to keep their homes running efficiently and comfortably. 

With fast, same-day repairs, fully stocked trucks, and 24/7 emergency services, we’re here when you need us most—ensuring your home stays safe, comfortable, and stress-free. Let Dempsey Energy be your go-to North Attleboro HVAC, plumbing and electrical service team, and experience the difference trusted expertise makes.

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Expert HVAC, Plumbing, and Energy Solutions

Your Home Comfort Advisors

At Dempsey Energy, we understand that your home’s comfort depends on reliable North Attleboro HVAC, plumbing, electrical and energy systems. For over 30 years, families across Massachusetts have trusted us to keep their homes running efficiently and comfortably. 

With fast, same-day repairs, fully stocked trucks, and 24/7 emergency services, we’re here when you need us most—ensuring your home stays safe, comfortable, and stress-free. Let Dempsey Energy be your go-to North Attleboro HVAC, plumbing and electrical service team, and experience the difference trusted expertise makes.

Request Service Now

We Leave Our Customers Smiling

Ready for 5-Star Level Service?

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Benefits of Our Maintenance Plans

  • A free annual tune-up appointment
  • 10% parts discount
  • 10% labor discount
  • Priority servicing – Your problems are always at the top of our to-do list
  • 24/7 Emergency Service – We’re always there when you need us
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The Right Technicians, The Right Company

Why Choose Us

Family-Owned Local Experience

Serving Massachusetts homeowners since the early 1990s.

Emergency Services Available 24/7

Responsive support for unexpected heating, cooling and plumbing issues.

Heat Pump & Mass Save Expertise

Helping customers explore energy-efficient upgrades and rebate opportunities.

Warranty-Backed Installations

Select HVAC systems include 10-year manufacturer and labor warranties.

Personalized Recommendations

Comfort solutions tailored to your home, needs and budget.

Experienced Across System Types

Working with boilers, furnaces, mini-splits, heat pumps and more

Expert HVAC, Plumbing, and Energy Solutions

Your Home Comfort Advisors

Tired of sweating the small stuff—and the energy bills? At Dempsey Energy, we keep your home running smoothly with fast, professional service and honest pricing. From AC and furnace repairs to boiler installs and full plumbing solutions, our team is ready when you need us most. One call gets you comfort, reliability, and peace of mind—all from a trusted local name. We’re committed to keeping your home efficient year-round, so you can spend less time worrying and more time enjoying the comfort you deserve. With decades of experience and a reputation built on trust, Dempsey Energy is the team homeowners count on when it matters most.

Call: 774-719-0298

Browse Our Offers

Save Money Today

Check out our exclusive coupons and start saving on your HVAC, plumbing, and electrical needs today!

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HVAC

$100 Off
Air Purification System
Limited time offer. Call for details.
Call: 774-719-0298
Mention coupon at the time of booking. Cannot be combined with any other offers.
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Heating/Cooling

$50 Off
Any Heating or Cooling Service
Limited time offer.
Call: 774-719-0298
Must present coupon at time of service. Call for details.
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Plumbing

$50 Off
Any Plumbing Service
Limited time offer.
Call: 774-719-0298
Must present coupon at time of service. Call for details.
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HVAC

$500 Off
New Heat Pump Install
Limited time offer. Call for details.
Call: 774-719-0298
Mention coupon at the time of booking. Cannot be combined with any other offers.
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Plumbing

$500 Off
Tankless Water Heater
Limited time offer. Call for details.
Call: 774-719-0298
Mention coupon at the time of booking. Cannot be combined with any other offers.
Orange outline icon of a flame and a thermometer inside a circle, symbolizing heat or high temperature—perfect for an HVAC Contractor North Attleboro or AC Installation North Attleboro in MA.

Heating

$500 Off
Any New Heating System Installation
Limited time offer. Call for details.
Call: 774-719-0298
Mention coupon at the time of booking. Cannot be combined with any other offers.
Green outline of a water faucet with a single drop of water falling from it, enclosed in a green circle—ideal for HVAC Contractor North Attleboro or AC Services North Attleboro branding on a crisp white background.

Plumbing

$300 Off
Water Heater Replacement
Limited time offer. Call for details.
Call: 774-719-0298
Mention coupon at the time of booking. Cannot be combined with any other offers.
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Cooling

$129
Keep Your Family Safe & Cool

All Summer Benefits Of Our AC Tune-Up & Safety Inspection, Extends Lifespan of AC Unit, Prevents costly repairs, Improves energy efficiency, and Improves indoor air quality

Call: 774-719-0298
*Must present coupon at time of service. 129 per system
Teal outline icon of a vertical filter with particles entering one side and clean air exiting the other, representing air filtration or purification in AC Installation North Attleboro, inside a circular border.

Cooling

$79 AC Inspection Special Save $100
Limited-time Spring Offer

To help homeowners stay ahead of the heat, Dempsey Energy is offering our full 20-Point AC System Integrity Inspection for just $79 instead of $179.

Call: 774-719-0298
Limited time offer. Call for details.
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Rebates & Tax Credits

Earn $10,000 in Rebates

At Dempsey Energy, we stay up-to-date on the latest rebate opportunities and tax incentives to help homeowners in Massachusetts choose the best energy-efficient systems. Call us today to learn more about how you can start saving with rebates and tax credits.

View Rebates & Tax Credits