249 Winchendon Rd, Ashburnham, MA 01430
HVAC in Westminster, Massachusetts
Compare contractors serving Westminster, Worcester County — call them directly, or send one request and let the ones who want the job come to you.
30 contractors serving Westminster.
Contractors serving Westminster
Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors
- CirculAIR Mini SplitsServes Westminster · 6.7 mi★★★★★5.0 Google rating
- Energy AirServes Westminster · 9.3 mi★★★★★5.0 Google rating
370 W Townsend Rd, Lunenburg, MA 01462
- Four Seasons ComfortServes Westminster · 10.3 mi★★★★★5.0 Google rating
32 Pratts Junction Rd, Sterling, MA 01564
- Granger AC RepairServes Westminster · 14.7 mi★★★★★5.0 Google rating
185 High St suite 741, Clinton, MA 01510
- World Energy Services, LLCServes Westminster · 17.1 mi★★★★★5.0 Google rating
220 Brooks St, Worcester, MA 01606
- Stake Plumbing and HeatingServes Westminster · 17.4 mi★★★★★5.0 Google rating
145 Sewall St, Boylston, MA 01505
- Akal Engineering IncServes Westminster · 18.3 mi★★★★★5.0 Google rating
44 Central St, Berlin, MA 01503
- P.K. McGuane Plumbing and HeatingServes Westminster · 18.8 mi★★★★★5.0 Google rating
25A Westford Rd, Ayer, MA 01432
- Air Care Cooling & Heating LLCServes Westminster · 19.2 mi★★★★★5.0 Google rating
44 Mower St, Worcester, MA 01602
- Jay Moody HVACServes Westminster · 8.3 mi★★★★★4.9 Google rating
40 Albert Dr, Leominster, MA 01453
- Modern EnergyServes Westminster · 17.7 mi★★★★★4.9 Google rating
24 Rockdale St, Worcester, MA 01606
- David Monteiro Contracting Inc.Serves Westminster · 19.0 mi★★★★★4.9 Google rating
1 Century Mill Rd, Bolton, MA 01740
- Quabbin Valley Plumbing & HeatingServes Westminster · 19.8 mi★★★★★4.9 Google rating
425 E River St, Orange, MA 01364
- Reliable HVAC & PlumbingServes Westminster · 18.2 mi★★★★★4.8 Google rating
330 Tacoma St # 2A, Worcester, MA 01605
- MF Mitchell Plumbing HVAC & Drain CleaningServes Westminster · 18.8 mi★★★★★4.8 Google rating
7 Loring St, Worcester, MA 01606
- Matley Plumbing & Heating CoServes Westminster · 19.2 mi★★★★★4.8 Google rating
18 Lomar Park Dr Back, Pepperell, MA 01463
- Casey Bashaw Plumbing HeatingServes Westminster · 18.5 mi★★★★★4.7 Google rating
32 Dana Rd, Orange, MA 01364
- Epoch PlumbingServes Westminster · 8.0 mi★★★★★4.6 Google rating
66 John St, Lunenburg, MA 01462
- McNulty & Bedard Plumbing & HeatingServes Westminster · 9.1 mi★★★★★4.6 Google rating
516 Willard St, Leominster, MA 01453
- Bruce's Burner ServicesServes Westminster · 11.8 mi★★★★★4.6 Google rating
35 Goodrich St, Winchendon, MA 01475
- Whitney BrothersServes Westminster · 14.0 mi★★★★★4.6 Google rating
969 Main St, Clinton, MA 01510
- TAG Heating & Cooling IncServes Westminster · 16.4 mi★★★★★4.6 Google rating
20 Central Ave, Ayer, MA 01432
- Brideau Sheet MetalServes Westminster · 7.5 mi★★★★★4.5 Google rating
29 Phillips St, Leominster, MA 01453
- Beaudoin Plumbing Heating & ACServes Westminster · 8.2 mi★★★★★4.5 Google rating
193 Mill St, Leominster, MA 01453
- Rollstone Fuel CoServes Westminster · 5.1 mi★★★★☆4.4 Google rating
523 Rollstone St, Fitchburg, MA 01420
- Harrington Oil IncServes Westminster · 15.0 mi★★★★☆4.4 Google rating
752 Main St, Holden, MA 01520
- Jack Dumas Plumbing & HeatingServes Westminster · 19.1 mi★★★★☆4.1 Google rating
17 Rustic Dr, Worcester, MA 01609
- Cleghorn Plumbing & Heating IncServes Westminster · 4.6 mi★★★★☆3.9 Google rating
142 Clarendon St, Fitchburg, MA 01420
- DDM Heating & Air Conditioning Inc.Serves Westminster · 8.2 mi★★★☆☆3.0 Google rating
356 Central St, Leominster, MA 01453
- Serves Westminster · 16.9 mi
135 Barnum Rd, Devens, MA 01434
Mass Save in WestminsterEligible
Westminster is in National Grid electric territory, so homeowners qualify for the full Mass Save rebate program. Whole-home heat pump installs have qualified for up to $8,500 ($2,650 per ton) back in recent rebate cycles when paired with the required home energy assessment, while ductless and partial systems land in the $2,500–$6,000 range. The free Mass Save Home Energy Assessment is the first step for National Grid customers. It unlocks the larger heat pump rebates and covers insulation and air-sealing at 75% or more, which matters for Westminster's exposed hillside homes facing cold, windy winters. The 0% Mass Save HEAT Loan can finance up to $25,000 of qualifying equipment interest-free.
HVAC in Westminster — what to know
Permits in Westminster
Massachusetts requires a permit for any HVAC system replacement, reviewed by the Westminster building department. A heat pump retrofit needs a separate electrical permit for the condenser circuits, pulled by a licensed electrician. Homes switching off oil or propane usually need an electrical panel upgrade, coordinated with National Grid. Wooded and hillside lots near wetlands or the Wachusett watershed may draw conservation commission review for ground-mounted units. Established contractors pull both permits and flag siting at the visit.
Where a permit is required, HVAC work in Westminster is filed with the Westminster Building Department; see the Westminster Building Department’s contact, portal and who pulls the permit on permits.llc.
Typical project cost
Westminster costs sit in the central Massachusetts mid-range, below Boston metro. A full whole-home heat pump retrofit runs roughly $18,000–$30,000 before rebates; a single-zone ductless mini-split lands at $4,500–$8,000 installed; and a like-for-like boiler or furnace swap runs $7,000–$13,000. Homes off oil or propane needing panel upgrades and cold-climate-sized equipment for the elevation push toward the high end, while homes with usable ductwork come in lower.
About Westminster homes
Westminster is a Worcester County town of about 8,200 residents across roughly 3,500 housing units in the central-Mass hills near Mount Wachusett, between Gardner and Fitchburg. The median home is around 54 years old, a mix of older village homes, mid-century houses, and newer construction on wooded, hilly lots — some at real elevation against the Wachusett range.
That rural, elevated profile shapes the HVAC work. Many homes run oil or propane heat with no central air, since gas service is limited. Full heat pump retrofits and ductless mini-splits dominate, and the elevation means cold-climate units sized for harsh winters near the mountain are essential.
Common questions — HVAC in Westminster
- Do Mass Save heat pump rebates apply in Westminster?
- Yes. Westminster is served by an investor-owned electric utility, so homeowners qualify for the full Mass Save program: the whole-home heat pump rebate of $2,650 per ton (up to $8,500) when the heat pump becomes the only heating system, $1,125 per ton with a boiler or furnace kept as backup, and the 0 percent HEAT Loan up to $25,000. The equipment must be on the Mass Save qualified product list, and the whole-home rebate has weatherization conditions that a home energy assessment can satisfy.
- Will a heat pump handle winters near Mount Wachusett?
- Yes, with a properly sized cold-climate model. Modern cold-climate heat pumps deliver heat well below zero, which matters at Westminster's elevation. Many owners keep an oil or propane backup for the coldest, windiest stretches.
- Do I need a permit to replace my HVAC system in Westminster?
- Yes. The Westminster building department requires a permit for system replacement, and heat pump circuits need a separate electrical permit. Lots near watershed land or wetlands may need conservation commission review.
- I heat with propane. Should I switch to a heat pump?
- Often yes. Propane is costly, and a cold-climate heat pump cuts that bill while Mass Save rebates and the HEAT Loan offset the install. An energy assessment confirms the savings for your specific home.
- Will I need an electrical panel upgrade?
- Frequently, especially coming off oil or propane. Many Westminster homes have panels that can't carry a heat pump load. An electrician checks this at the visit, and the upgrade is coordinated with National Grid.
