Skip to content
ContractorsRanked

Densmore Oil CompanyHVAC contractor in Groton, CT

Densmore Oil Company is an HVAC contractor at 26 Old Stonington Rd, Stonington, CT 06378, ranked #2 of 131 HVAC contractors in Groton and rated 4.9 from 283 Google reviews. Open Monday to Friday.

Groton, CTUpdated 0 paid placements in any rankingHow we rank

Call (860) 536-7927Website ↗

Key facts

Key facts about Densmore Oil Company
Address26 Old Stonington Rd, Stonington, CT 06378, Groton, CTGet directions
Phone(860) 536-7927
Websitedensmoreoil.com
HoursMonday to Friday: 8 AM – 4:30 PM
Google rating4.9 from 283 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Groton and 10 towns within 25 miles: Pawcatuck, Conning Towers-Nautilus Park, Ledyard, New London, Waterford, Preston City, Montville Center, Norwich, Old Saybrook and Plainfield.

Based in Groton, CTView on map

Opening hours

Opening hours for Densmore Oil Company
DayHours
Monday8 AM – 4:30 PM
Tuesday8 AM – 4:30 PM
Wednesday8 AM – 4:30 PM
Thursday8 AM – 4:30 PM
Friday8 AM – 4:30 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

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

Densmore Oil Company compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Densmore Oil Company (this business)—614.9 (283)—NoNo
Kneeland heating & Cooling LLC#1644.6 (169)—YesYes8.3 mi
DDLC Energy#3614.7 (422)—NoNo7.8 mi
Connecticut HVAC Services llc#4614.6 (107)—YesYes15.8 mi

See all 131 ranked HVAC contractors in Groton

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 283 Google reviews

Hired Densmore Oil Company? Write a review

Questions about Densmore Oil Company

How is Densmore Oil Company ranked in Groton?

Densmore Oil Company is ranked #2 of 131 HVAC contractors in Groton by CR Score, with 61 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 Densmore Oil Company’s hours?

Densmore Oil Company is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Densmore Oil Company serve?

Serves Groton and 10 towns within 25 miles: Pawcatuck, Conning Towers-Nautilus Park, Ledyard, New London, Waterford, Preston City, Montville Center, Norwich, Old Saybrook and Plainfield. 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 Densmore Oil Company?

Densmore Oil Company has a rating of 4.9 from 283 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 Densmore Oil Company?

Call Densmore Oil Company on (860) 536-7927. The business is at 26 Old Stonington Rd, Stonington, CT 06378, Groton, CT. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Densmore Oil Company? Claim this profile.

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

Claim this profile