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GreenstoneHVAC contractor in Westminster, MA

Greenstone is an HVAC contractor at 26 South St, Westminster, MA 01473. Open Monday to Friday.

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Call (978) 571-9949Website ↗

Key facts

Key facts about Greenstone
Address26 South St, Westminster, MA 01473Get directions
Phone(978) 571-9949
Websitegreenstoneheat.com
HoursMonday to Friday: 9 AM – 5:30 PM

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeadditional Google category
  • Masonryadditional Google category

Service area

Serves Westminster and 11 towns within 25 miles: Gardner, Fitchburg, Ashburnham, Leominster, Templeton, Sterling, Holden, Lancaster, West Boylston, Clinton and Athol.

Based in Westminster, MAView on map

Opening hours

Opening hours for Greenstone
DayHours
Monday9 AM – 5:30 PM
Tuesday9 AM – 5:30 PM
Wednesday9 AM – 5:30 PM
Thursday9 AM – 5:30 PM
Friday9 AM – 5:30 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

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Questions about Greenstone

What are Greenstone’s hours?

Greenstone is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Greenstone serve?

Serves Westminster and 11 towns within 25 miles: Gardner, Fitchburg, Ashburnham, Leominster, Templeton, Sterling, Holden, Lancaster, West Boylston, Clinton and Athol. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

How do I contact Greenstone?

Call Greenstone on (978) 571-9949. The business is at 26 South St, Westminster, MA 01473. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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