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Dempsey EnergyHVAC contractor in Attleboro, MA

Dempsey Energy is an HVAC contractor at 575 E Washington St Unit E, North Attleborough, MA 02760, ranked #6 of 883 HVAC contractors in Attleboro and rated 4.5 from 859 Google reviews. Open 24 hours a day, 7 days a week.

Attleboro, MAUpdated 0 paid placements in any rankingHow we rank

Call (508) 202-0944Website ↗

Key facts

Key facts about Dempsey Energy
Address575 E Washington St Unit E, North Attleborough, MA 02760Get directions
Phone(508) 202-0944
Websitedempseyenergy.com
HoursOpen 24 hours, 7 days a week
Google rating4.5 from 859 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category
  • Electricaladditional Google category

Service area

Serves Attleboro and 11 towns within 25 miles: North Attleborough Center, Plainville, Wrentham, Mansfield Center, Mansfield, Foxborough, Norton, Franklin, Norfolk, Easton and Rehoboth.

Based in Attleboro, MAView on map

Opening hours

Opening hours for Dempsey Energy
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Dempsey Energy compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Dempsey Energy (this business)—634.5 (859)—YesYes
Handy Oil Burner Services Inc.#4634.8 (371)—YesYes4.0 mi
Notturno Home Services#5634.9 (1,586)—YesYes7.8 mi
G&C Plumbing & Heating#7634.9 (990)—YesYes7.3 mi

See all 883 ranked HVAC contractors in Attleboro

Reviews

ContractorsRanked reviews

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Google

4.5from 859 Google reviews

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Questions about Dempsey Energy

How is Dempsey Energy ranked in Attleboro?

Dempsey Energy is ranked #6 of 883 HVAC contractors in Attleboro by CR Score, with 63 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Dempsey Energy’s hours?

Dempsey Energy is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Dempsey Energy serve?

Serves Attleboro and 11 towns within 25 miles: North Attleborough Center, Plainville, Wrentham, Mansfield Center, Mansfield, Foxborough, Norton, Franklin, Norfolk, Easton and Rehoboth. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Dempsey Energy?

Dempsey Energy has a rating of 4.5 from 859 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Dempsey Energy?

Call Dempsey Energy on (508) 202-0944. The business is at 575 E Washington St Unit E, North Attleborough, MA 02760. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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