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A & S Nathan Heating & Cooling LLCHVAC contractor in Ansonia, CT

A & S Nathan Heating & Cooling LLC is an HVAC contractor at 34 Clifton Ave, Ansonia, CT 06401, ranked #2 of 531 HVAC contractors in Ansonia and rated 4.8 from 446 Google reviews. Open 24 hours a day, 7 days a week.

Ansonia, CTUpdated 0 paid placements in any rankingHow we rank

Call (203) 735-5332Website ↗

Key facts

Key facts about A & S Nathan Heating & Cooling LLC
Address34 Clifton Ave, Ansonia, CT 06401Get directions
Phone(203) 735-5332
Websitenathanheating.com
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 446 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Ansonia and 11 towns within 25 miles: Derby, Shelton, Woodbridge, Seymour, Orange, Oxford, City of Milford (balance), Milford, New Haven, West Haven and Trumbull.

Based in Ansonia, CTView on map

Opening hours

Opening hours for A & S Nathan 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

A & S Nathan Heating & Cooling LLC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
A & S Nathan Heating & Cooling LLC (this business)—654.8 (446)—YesYes
Aire Serv of Southwest Connecticut#1654.8 (565)—YesYes14.6 mi
Aire Serv of Shelton#3644.8 (347)—YesYes0.0 mi
HL Bowman Inc Plumbing Heating & AC#4634.7 (1,151)—YesYes8.3 mi

See all 531 ranked HVAC contractors in Ansonia

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 446 Google reviews

Hired A & S Nathan Heating & Cooling LLC? Write a review

Questions about A & S Nathan Heating & Cooling LLC

How is A & S Nathan Heating & Cooling LLC ranked in Ansonia?

A & S Nathan Heating & Cooling LLC is ranked #2 of 531 HVAC contractors in Ansonia by CR Score, with 65 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 A & S Nathan Heating & Cooling LLC’s hours?

A & S Nathan 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 A & S Nathan Heating & Cooling LLC serve?

Serves Ansonia and 11 towns within 25 miles: Derby, Shelton, Woodbridge, Seymour, Orange, Oxford, City of Milford (balance), Milford, New Haven, West Haven and Trumbull. 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 A & S Nathan Heating & Cooling LLC?

A & S Nathan Heating & Cooling LLC has a rating of 4.8 from 446 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 A & S Nathan Heating & Cooling LLC?

Call A & S Nathan Heating & Cooling LLC on (203) 735-5332. The business is at 34 Clifton Ave, Ansonia, CT 06401. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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