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Hefferon Heating & Cooling LLCHVAC contractor in Danbury, CT

Hefferon Heating & Cooling LLC is an HVAC contractor at 37A Padanaram Rd, Danbury, CT 06811, ranked #2 of 484 HVAC contractors in Danbury and rated 4.9 from 380 Google reviews. Open 24 hours a day, 7 days a week.

Danbury, CTUpdated 0 paid placements in any rankingHow we rank

Call (203) 790-8826Website ↗

Key facts

Key facts about Hefferon Heating & Cooling LLC
Address37A Padanaram Rd, Danbury, CT 06811Get directions
Phone(203) 790-8826
Websitehefferonhc.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 380 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Danbury and 11 towns within 25 miles: New Fairfield, Bethel, Ridgefield, New Milford, Southbury, Easton, Wilton, Woodbury, Oxford, Trumbull and New Canaan.

Based in Danbury, CTView on map

Opening hours

Opening hours for Hefferon Heating & Cooling LLC
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

Hefferon Heating & Cooling LLC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Hefferon Heating & Cooling LLC (this business)—644.9 (380)—YesYes
Service Stars#1644.9 (1,350)—YesYes2.0 mi
Carmine’s Plumbing, Heating & Air Conditioning#3634.9 (2,252)—YesNo1.8 mi
Ryan F. Murphy Heating & Cooling LLC#4635.0 (969)—YesYes11.2 mi

See all 484 ranked HVAC contractors in Danbury

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 380 Google reviews

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Questions about Hefferon Heating & Cooling LLC

How is Hefferon Heating & Cooling LLC ranked in Danbury?

Hefferon Heating & Cooling LLC is ranked #2 of 484 HVAC contractors in Danbury by CR Score, with 64 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 Hefferon Heating & Cooling LLC’s hours?

Hefferon Heating & Cooling LLC 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 Hefferon Heating & Cooling LLC serve?

Serves Danbury and 11 towns within 25 miles: New Fairfield, Bethel, Ridgefield, New Milford, Southbury, Easton, Wilton, Woodbury, Oxford, Trumbull and New Canaan. 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 Hefferon Heating & Cooling LLC?

Hefferon Heating & Cooling LLC has a rating of 4.9 from 380 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 Hefferon Heating & Cooling LLC?

Call Hefferon Heating & Cooling LLC on (203) 790-8826. The business is at 37A Padanaram Rd, Danbury, CT 06811. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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