34 Commercial HVAC Contractors in Stamford, CT
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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 (34 total)
SERVCON LLC.
“All 241 reviewers award a perfect 5-star rating, with multiple customers specifically praising Anthony for…”
ENCON Heating and Air Conditioning
“255reviews yield a 4.9-star average rating. Five-star reviews highlight same-day arrival and diagnostic…”
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…”
Summit Duct Cleaning
“All eight published reviews award perfect 5 stars, with clients frequently praising fair pricing,…”
Abel Air Conditioning & Heating Systems
“All 34 reviews award 5 stars, with clients consistently citing Doug and Dain by name. Reviewers describe fair…”
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…”
Winsupply of Stamford
“6 of 8 detailed reviews award five-star ratings, with multiple professionals citing multi-year repeat…”
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…”
United Refrigeration Inc
“6 of 8 reviewers award 5 stars, praising inventory breadth, competitive pricing, and staff helpfulness. The…”
CE (Carrier Enterprise)
“Four recent reviews award perfect 5-star ratings, with each specifically naming team members who delivered…”
BTU Systems
“Three reviewers collectively award five stars, with each customer specifically naming technicians Keith or…”
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…”
mazur mechanical llc
“The single client review available awards a perfect 5.0-star rating, indicating strong satisfaction with the…”
TriTech Mechanical
“One homeowner awarded a 5-star rating, praising TriTech Mechanical's customer service as excellent and…”
Daikin Comfort Technologies Northeast
“The 2 reviews split cleanly: a 5-star rating from Leonardo Vega highlights strong customer service and…”
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’s coastal position on Long Island Sound shapes steady demand for commercial systems: maritime moderation keeps summers around 85°F with 17 days over 90°F and milder January lows near 25°F, yet 67% summer humidity and a clear November–March heating season mean businesses need reliable moisture control and year-round capacity. The local market lists 35 contractors, average rating 3.7 from 3,773 reviews, so commercial-hvac Stamford projects attract consistent competition.
Detailed top-cost item figures were not available in the source data, so precise line-item ranges can’t be quoted here. Expect variability by system size, ductwork complexity and efficiency ratings; obtain multiple bids and written scopes. Connecticut requires HVAC contractors to hold the Heating, Cooling and Piping (HPC) Contractor — Class 1 Master HPC license through the Department of Consumer Protection, and verifying that credential should be part of any cost comparison.
Customer highlight entries were not provided, so there are no individual technicians to name from the dataset. Review patterns in Stamford emphasize responsiveness, documented preventive maintenance, and experience managing coastal humidity. Six local firms offer 24/7 service, a useful factor for commercial operations. Prioritize current references, warranty terms, and clear controls integration when selecting a provider.
Frequently Asked Questions
Other HVAC Services in Stamford, CT
All HVAC Contractors in Stamford, CT
Complete directory of 97 contractors — browse alphabetically
A–Z
All HVAC Contractors in Stamford, CT
Complete directory of 97 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 Dry Services of Stamford
- 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