20 AC Replacement Contractors in Stamford, CT
Top-Rated AC Replacement Contractors in Stamford
JNR Plumbing LLC
“975 client reviews produce a 4.9-star average rating, with technicians Dario, David, and Parke mentioned by name across multiple five-star feedback entries.…”
Safe and Sound Electric
“All 311 five-star reviewers praise technical competence and diagnostic skill. Five different technicians are named across positive reviews: Erick resolved a…”
All AC Replacement Contractors (20 total)
Around the Clock Air Conditioning & Heating, Inc.
“Six of six reviewers award five-star ratings, with four specifically naming technicians (Ilan, Eric, Austin,…”
Galaxy HVAC
“All 69 reviews carry 5-star ratings, with Chris mentioned by name across multiple testimonials as the primary…”
JES Heating & Cooling, Inc
“All 41 reviewer ratings are 5 stars, with zero lower scores recorded. Four reviewers explicitly mention…”
Tri Tech Mechanical LLC
“Every reviewer across thirty-five client testimonials awarded five stars, with multiple clients specifically…”
C&C Service
“Three homeowners awarded 5-star reviews, with two specifically praising heat pump installation expertise and…”
Michael Morabito HVAC Service, LLC
“Twenty-eight reviews yield a 4.9-star average with zero ratings below 4 stars. Emergency same-day response…”
Controlled Temperatures INC
“All eight reviewers awarded 5-star ratings, with three specifically mentioning competitive or fair pricing.…”
Xpert Chimney Sweep
“Eight reviewers each awarded 5 stars, with all mentioning specific technicians by name. Customers in…”
PHS Mechanical, LLC
“All six reviewers assign 5-star ratings, with each mentioning Pat directly by name and highlighting his…”
C V Longo Heating & Air Conditioning
“All three detailed reviews award 5 stars, with two clients naming specific technicians (Upul and Carmine) as…”
Kaiser Heating & A/C
“All three client reviews award 5 stars, with the Stamford Musjid partnership representing a significant…”
TriTech Mechanical
“One homeowner awarded a 5-star rating, praising TriTech Mechanical's customer service as excellent and…”
AC Replacement Costs in Stamford
Replacement costs for aging systems in Stamford. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $6,160 | $8,960 | $12,320 |
Central AC (4-ton, mid-efficiency) | $8,400 | $11,760 | $15,680 |
Central AC (5-ton, high-efficiency) | $10,640 | $14,000 | $17,920 |
Full HVAC system (AC + furnace) | $12,981 | $15,042 | $15,792 |
Plus ductwork replacement If existing ducts are aged/leaking | $2,352 | $3,360 | $4,480 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Stamford, CT: What to Expect
Stamford’s coastal setting on Long Island Sound weakens extreme temperature swings but still drives steady summer cooling needs and winter heating demand. Summers average 85°F with about 17 days above 90°F and 67% humidity, so moisture control and reliable cycling matter. Local search for ac-replacement Stamford turns up 19 contractors averaging a 3.8 rating across 1,515 reviews; three of those firms advertise 24/7 availability.
The explicit cost range data wasn’t supplied, so homeowners should expect pricing to vary with unit capacity, SEER rating, required ductwork or modifications, removal of existing equipment, and permit or disposal fees. Connecticut requires a Heating, Cooling and Piping (HPC) Contractor License — Class 1 (Master HPC Contractor) issued by the Department of Consumer Protection, so confirm licensing and any manufacturer dealer qualifications as part of comparing estimates and warranties.
No specific customer highlights were provided, so rely on patterns in the local market: an average rating of 3.8 suggests mixed experiences. Prioritize contractors who demonstrate a current Class 1 HPC license, clear written scopes, parts and labor warranties, and documented references. Given three firms offer round-the-clock service, ask about emergency response times and post-install maintenance plans.
Frequently Asked Questions
Other HVAC Services in Stamford, CT
All HVAC Contractors in Stamford, CT
Complete directory of 86 contractors — browse alphabetically
A–Z
All HVAC Contractors in Stamford, CT
Complete directory of 86 contractors — browse alphabetically
A
- A & M Mechanical Systems
- Abel Air Conditioning & Heating Systems
- Absolute Cooling & Heating
- ADJ of Stamford Inc
- Air Conditioning Repair Service
- Air Solutions, Inc.
- All of Us Air! Inc.,
- Allstate Mechanical, Inc. Plumbing & Heating Contractors
- Aquila Heating & Cooling, LLC
- Around the Clock Air Conditioning & Heating, Inc.
- Around The Clock Air conditioning & Heating,inc.
- Arrive Stamford
- Associated Appliance
- Atmosphere Cooling and Heating LLC