6 Commercial HVAC Contractors in Weymouth, MA
Top-Rated Commercial HVAC Contractors in Weymouth
Aspinwall Baystate Plumbing, Heating, Air Conditioning
“Across 976 reviews, customers frequently mention same-day emergency response and technicians who arrive within hours of calling. Positive reviews cite specific…”
SC ELECTRIC CORP.
“All 170 reviews award 5 stars, with clients consistently mentioning fair pricing, on-time arrivals, and technical expertise. Multiple reviewers specifically…”
All Commercial HVAC Contractors (6 total)
Atlantic Mechanical
“Four of six detailed reviewers specifically mention same-day or emergency response during off-hours, with…”
Winsupply of Weymouth
“7 of 8 reviewers award 5 stars, with common praise for the team's ability to source any needed part and their…”
Commercial HVAC Costs in Weymouth
Commercial system pricing in Weymouth. 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 Weymouth, MA: What to Expect
Weymouth's climate presents distinct challenges for commercial buildings. Winters drop to 22 F with heavy snowfall, while summers climb into the low 80s with humidity that strains cooling systems. Heating dominates annual energy demand, but the humid summer months create substantial cooling loads that keep equipment running hard. With six contractors serving the area and an average rating of 4.6 across more than 1,200 reviews, businesses in this Boston suburb have access to a competitive market of skilled technicians. Commercial HVAC in Weymouth requires providers who understand both the heating-intensive winters and the oppressive summer heat that follows.
Maintaining commercial HVAC equipment represents a meaningful operating expense for Weymouth businesses. Annual maintenance contracts for single rooftop units typically range from $550 to $2,200, while comprehensive service agreements for small commercial spaces under 5,000 square feet generally fall between $1,100 and $5,500. Mid-size facilities from 5,000 to 25,000 square feet see annual contract costs from $3,850 up to $11,000. Massachusetts law adds a layer of accountability that benefits business owners: contractors must hold a Refrigeration Technician License combined with either a Sheet Metal or Pipefitter journeyman or master credential from the state Division of Professional Licensure, ensuring every technician working on your system has passed recognized competency exams.
Customer reviews reveal patterns that distinguish the area's top performers. Aspinwall Baystate draws consistent praise for emergency response, with multiple reviewers noting technicians Andrew and Danny arriving within hours of the initial call. SC Electric Corp maintains a perfect five-star rating across all 170 reviews, with clients highlighting fair pricing and on-time arrivals as routine expectations. PJ Mechanical LLC also achieves five stars from every reviewer, with customers specifically mentioning technicians who take time to explain technical findings rather than simply completing repairs.