31 Commercial HVAC Contractors in Stamford, CT
Top-Rated Commercial HVAC Contractors in Stamford
Mr. Appliance of Putnam & Westchester Counties
“Based on 1,119 reviews, the company maintains a 4.9-star average with technicians frequently named in positive feedback. Reviewers consistently mention fast…”
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.…”
All Commercial HVAC Contractors (31 total)
ENCON Heating and Air Conditioning
“Of 307 reviews, multiple five-star reviewers name technicians Mike, Roberto, Jorge, and Shay for specific…”
SERVCON LLC.
“All 241 reviewers award a perfect 5-star rating, with multiple customers specifically praising Anthony for…”
EXTRAVE Heating & Cooling
“Every one of EXTRAVE's 212 reviews carries a 5-star rating, an exceedingly rare achievement in the HVAC…”
Unified Home Solutions
“Eight reviewed homeowners awarded perfect 5-star ratings, with three specifically praising same-day emergency…”
Fresh Air LLC
“Kevin and Johnny appear by name in six of eight sampled five-star reviews, with Blue Positano noting same-day…”
Abel Air Conditioning & Heating Systems
“All 34 reviews award 5 stars, with clients consistently citing Doug and Dain by name. Reviewers describe fair…”
Summit Duct Cleaning
“All eight published reviews award perfect 5 stars, with clients frequently praising fair pricing,…”
Controlled Temperatures INC
“All eight reviewers awarded 5-star ratings, with three specifically mentioning competitive or fair pricing.…”
Bill's Refrigeration & Air Conditioning
“Of 29 total reviews, three commercial clients (a deli manager, two restaurant owners) award 5-star ratings…”
Xpert Chimney Sweep
“Eight reviewers each awarded 5 stars, with all mentioning specific technicians by name. Customers in…”
Fletcher Development
“Five of five detailed reviews award five stars, with Ryan named personally in each as the driving force…”
BLM Refrigeration Heating & Air Conditioning
“All eight reviewers awarded 5-star ratings, with Louis, Chris, Lewis, and Luis each mentioned by name in…”
BTU Systems
“Three reviewers collectively award five stars, with each customer specifically naming technicians Keith or…”
CE (Carrier Enterprise)
“Four recent reviews award perfect 5-star ratings, with each specifically naming team members who delivered…”
Kaiser Heating & A/C
“All three client reviews award 5 stars, with the Stamford Musjid partnership representing a significant…”
Efficient Heating & Cooling
“Three of four reviews award 5 stars, with the highest praise targeting diagnostic skill and cost…”
Johnstone Supply
“Two of four named reviewers award five stars, praising Don and the staff's dedication. The remaining reviews…”
United Duct Cleaning Stamford
“Both reviews award perfect 5-star ratings, with 100% of reviewers noting improved air quality and fresher…”
F+F Mechanical Enterprises, Inc.
“Three of five reviews award five-star ratings, with positive reviewers specifically praising technicians Bob…”
TriTech Mechanical
“One homeowner awarded a 5-star rating, praising TriTech Mechanical's customer service as excellent and…”
mazur mechanical llc
“The single client review available awards a perfect 5.0-star rating, indicating strong satisfaction with the…”
Commercial HVAC Costs in Stamford
Commercial system pricing in Stamford. Actual costs vary significantly by building size and system type. Request a site-specific quote.
| Service | Low | Average | High |
|---|---|---|---|
Annual maintenance (per rooftop unit) Quarterly inspections | $550 | $1,100 | $2,200 |
Annual contract (small business, < 5K sqft) | $1,100 | $2,750 | $5,500 |
Annual contract (mid-size, 5K-25K sqft) | $3,850 | $7,150 | $11,000 |
Basic rooftop unit replacement | $7,150 | $11,000 | $16,500 |
Small business full system (< 5K sqft) | $8,800 | $17,600 | $27,500 |
Mid-size building (5K-25K sqft) | $27,500 | $55,000 | $88,000 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $7 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Commercial HVAC in Stamford, CT: What to Expect
Stamford sits on Long Island Sound where marine influence moderates temperature extremes while creating genuine year-round demand for commercial climate control. Summer brings 85 F highs with humidity reaching 67%, requiring effective cooling from June through September. Winter lows near 25 F mean heating runs consistently from November through March. With 34 contractors serving the area and an average rating of 3.7 across nearly 3,800 reviews, businesses seeking Commercial HVAC in Stamford have options, though quality varies.
Connecticut requires HVAC contractors to hold a Heating, Cooling and Piping (HPC) Contractor License from the state Department of Consumer Protection. For a small business under 5,000 square feet, annual service contracts typically cost $1,100 to $5,500 per year. Rooftop unit maintenance alone runs $550 to $2,200 annually. Mid-size buildings between 5,000 and 25,000 square feet see annual contracts ranging from $3,850 to $11,000. These brackets help property managers budget realistically for their specific building profile.
Customer feedback reveals standout performers worth knowing. Mr. Appliance of Putnam & Westchester Counties holds a 4.9-star average across 1,119 reviews, with technicians frequently named in positive comments. JNR Plumbing LLC also achieves 4.9 stars from 975 clients, with technicians Dario, David, and Parke mentioned across multiple five-star entries. When researching contractors, these named technicians often appear repeatedly in reviews, indicating consistent service worth pursuing.
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