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Endless EnergyHVAC contractor in Marlborough, MA

Endless Energy is an HVAC contractor at 261 Cedar Hill St, Marlborough, MA 01752, ranked #32 of 1,067 HVAC contractors in Marlborough and rated 4.7 from 513 Google reviews. Open 7 days a week.

Marlborough, MAUpdated 0 paid placements in any rankingHow we rank

Call (508) 625-5865Website ↗

Key facts

Key facts about Endless Energy
Address261 Cedar Hill St, Marlborough, MA 01752Get directions
Phone(508) 625-5865
Websitegoendlessenergy.com
HoursMonday to Friday: 8 AM – 7 PM; Saturday: 9 AM – 1 PM; Sunday: 11 AM – 3 PM
Google rating4.7 from 513 Google reviews

Trades

Each trade shows the evidence we matched it on.

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

Service area

Serves Marlborough and 11 towns within 25 miles: Northborough, Southborough, Hudson, Shrewsbury, Ashland, Framingham Center, Clinton, Stow, Framingham, Grafton and Sudbury.

Based in Marlborough, MAView on map

Opening hours

Opening hours for Endless Energy
DayHours
Monday8 AM – 7 PMevening
Tuesday8 AM – 7 PMevening
Wednesday8 AM – 7 PMevening
Thursday8 AM – 7 PMevening
Friday8 AM – 7 PMevening
Saturday9 AM – 1 PM
Sunday11 AM – 3 PM
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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

Endless Energy compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Endless Energy (this business)—884.7 (513)—YesYes
Yellow Dog Plumbing, Heating & Cooling#30885.0 (259)—YesYes18.5 mi
Rodenhiser Home Services#31884.8 (2,938)—YesYes12.6 mi
128 Plumbing, Heating, Cooling & Electric#33885.0 (443)—YesYes23.9 mi

See all 1067 ranked HVAC contractors in Marlborough

Questions about Endless Energy

How is Endless Energy ranked in Marlborough?

Endless Energy is ranked #32 of 1,067 HVAC contractors in Marlborough by CR Score, with 88 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are Endless Energy’s hours?

Endless Energy is open 7 days a week. Its listed hours are Monday to Friday, 8 AM – 7 PM; Saturday, 9 AM – 1 PM; Sunday, 11 AM – 3 PM. On Saturdays it is open 9 AM to 1 PM, and on Sundays 11 AM to 3 PM. Hours come from the business listing; holiday hours may differ.

What areas does Endless Energy serve?

Serves Marlborough and 11 towns within 25 miles: Northborough, Southborough, Hudson, Shrewsbury, Ashland, Framingham Center, Clinton, Stow, Framingham, Grafton and Sudbury. 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 Endless Energy?

Endless Energy has a rating of 4.7 from 513 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 Endless Energy?

Call Endless Energy on (508) 625-5865. The business is at 261 Cedar Hill St, Marlborough, MA 01752. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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