10 Commercial HVAC Contractors in Wilmington, MA
Top-Rated Commercial HVAC Contractors in Wilmington
CMS Plumbing, Heating, and Cooling
“Five-star ratings dominate the review corpus, with every featured reviewer awarding perfect scores. Multiple customers specifically mention follow-up…”
Ferguson HVAC
“Five of seven reviewers awarded 5 stars, with two negative reviews citing a credit refund delay and a filter ordering error. Positive reviews specifically name…”
All Commercial HVAC Contractors (10 total)
All Brands Appliance Repair Service
“All 7 sampled reviews award 5-star ratings, with every reviewer naming Joe as the technician who performed…”
B J Doyle Heating & AC
“Five of six detailed reviewers award 5 stars, with negative feedback limited to post-installation service…”
Breen & Sullivan Mechanical Services, Inc
“Three of five detailed reviews award five stars, with one negative review citing reckless highway driving by…”
Sullivan Mechanical Services
“All 9 reviewers award 5 stars, with one customer specifically praising the company's work quality as the best…”
Cochrane Ventilation LLC
“Three of seven reviewers awarded five-star ratings praising quality work and respectful service, while one…”
North Shore Mechanical Contractors Inc
“Seven reviewers award the company a 4.4-star average, with positive feedback emphasizing project delivery and…”
Commercial HVAC Costs in Wilmington
Commercial system pricing in Wilmington. 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 Wilmington, MA: What to Expect
Wilmington sits within the Boston metro, inheriting New England's punishing seasonal swing. Winter lows dip to 22 degrees with steady snowfall, while summer peaks hit 82 degrees with that trademark humidity that makes indoor air feel like a wet blanket. That temperature span, combined with one of the most regulated HVAC markets in the country, keeps commercial heating and cooling demand consistently high year round. Five contractors serve the Wilmington commercial market, holding a collective 4.1 average rating across 672 reviews.
Massachusetts law requires commercial HVAC technicians to hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman or master license through the state Division of Professional Licensure, adding a layer of credentialing that shapes what local contractors can bid on. For small businesses under 5,000 square feet, annual service contracts typically run $1,100 to $5,500. Mid size buildings between 5,000 and 25,000 square feet see annual contract costs between $3,850 and $11,000, while individual rooftop units commonly require $550 to $2,200 in yearly maintenance.
CMS Plumbing, Heating, and Cooling draws repeated mentions in five star reviews for providing written estimates before work begins and keeping clients informed throughout the process. Ferguson HVAC earns particular commendation for responsiveness, with technicians like Derek and the branch manager named in multiple positive assessments. BJ Doyle Heating and AC performs strongly on installation quality, though some reviewers note gaps in post installation service follow through. The pattern across these three contractors reflects a regional trade off: communication and responsiveness win loyalty, while lapses in ongoing support leave lasting impressions even when the initial work satisfies.