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Groulx Mechanical Heating & Cooling Inc.HVAC contractor in Longmont, CO

Groulx Mechanical Heating & Cooling Inc. is an HVAC contractor at 2447 Winding Dr, Longmont, CO 80504, ranked #34 of 480 HVAC contractors in Longmont and rated 4.9 from 247 Google reviews. Open Monday to Saturday.

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Call (720) 329-3429Website ↗

Key facts

Key facts about Groulx Mechanical Heating & Cooling Inc.
Address2447 Winding Dr, Longmont, CO 80504Get directions
Phone(720) 329-3429
Websitegroulxmechanical.com
HoursMonday to Friday: 8 AM – 6 PM; Saturday: 8 AM – 1 PM
Google rating4.9 from 247 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Longmont and 11 towns within 25 miles: Berthoud, Firestone, Gunbarrel, Frederick, Erie, Johnstown, Loveland, Lafayette, Milliken, Louisville and Boulder.

Based in Longmont, COView on map

Opening hours

Opening hours for Groulx Mechanical Heating & Cooling Inc.
DayHours
Monday8 AM – 6 PM
Tuesday8 AM – 6 PM
Wednesday8 AM – 6 PM
Thursday8 AM – 6 PM
Friday8 AM – 6 PM
Saturday8 AM – 1 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • 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.

Compare nearby HVAC contractors

Groulx Mechanical Heating & Cooling Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Groulx Mechanical Heating & Cooling Inc. (this business)—604.9 (247)—YesNo
Precision Plumbing Heating Cooling Electric#32604.8 (4,069)—YesNo16.5 mi
Orban Air Solutions LLC#33605.0 (26)—YesYes8.4 mi
PureComfort HVAC Repair#35604.9 (74)—YesYes8.2 mi

See all 480 ranked HVAC contractors in Longmont

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 247 Google reviews

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Questions about Groulx Mechanical Heating & Cooling Inc.

How is Groulx Mechanical Heating & Cooling Inc. ranked in Longmont?

Groulx Mechanical Heating & Cooling Inc. is ranked #34 of 480 HVAC contractors in Longmont by CR Score, with 60 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Groulx Mechanical Heating & Cooling Inc.’s hours?

Groulx Mechanical Heating & Cooling Inc. is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 6 PM; Saturday, 8 AM – 1 PM. On Saturdays it is open 8 AM to 1 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Groulx Mechanical Heating & Cooling Inc. serve?

Serves Longmont and 11 towns within 25 miles: Berthoud, Firestone, Gunbarrel, Frederick, Erie, Johnstown, Loveland, Lafayette, Milliken, Louisville and Boulder. 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.

What do Google reviews say about Groulx Mechanical Heating & Cooling Inc.?

Groulx Mechanical Heating & Cooling Inc. has a rating of 4.9 from 247 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Groulx Mechanical Heating & Cooling Inc.?

Call Groulx Mechanical Heating & Cooling Inc. on (720) 329-3429. The business is at 2447 Winding Dr, Longmont, CO 80504. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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