Groulx Mechanical Heating & Cooling Inc.
Longmont, CO Mini-Split Installation · #4 of 4
Overview
Groulx Mechanical lists Mitsubishi Preferred Dealer authorization on its website. Groulx Mechanical notes HVAC Excellence credential presence. Longmont's high-elevation, dry climate makes zoned ductless systems practical for many homes. The company advertises same-day emergency response for urgent HVAC issues. Groulx Mechanical says financing is available for larger installations.
Ductless mini-split installation and service in Longmont, Colorado for residential and commercial properties. The site lists Mitsubishi Preferred Dealer authorization for ductless systems. HVAC Excellence credential appears on the company website. The business advertises same-day emergency response. Financing availability is listed for higher-ticket installations.
Score breakdown
Longmont, CO Mini-Split Installation average is 84/100. Ranks #4 of 4 listed Mini-Split Installation providers in Longmont, CO.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Longmont average
| Signal | Groulx Mechanical Hea… | Longmont avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 84/100 | -3 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 265+ | 1,520+ | -1256 vs avg |
What customers say
Pros
- High Google rating (5.0★ across 265+ reviews)
When to choose them
- You need same-day or after-hours service
- You need to finance the work
- You prefer a family-owned operation
Services
Service area
Guarantees & credentials
- Licensed and insured
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of Groulx Mechanical Heating & Cooling Inc.?
When should I choose Groulx Mechanical Heating & Cooling Inc.?
What is the Vouched Score for Groulx Mechanical Heating & Cooling Inc.?
How can I contact Groulx Mechanical Heating & Cooling Inc.?
What does mini split installation service typically cost when working with a Longmont, CO provider like Groulx Mechanical Heating & Cooling Inc.?
Does Groulx Mechanical Heating & Cooling Inc. do Mini-Split Systems in Longmont, CO?
Does Groulx Mechanical Heating & Cooling Inc. do Emergency HVAC Service in Longmont, CO?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Groulx Mechanical Heating & Cooling Inc. (this company) |
81/100 | 5.0★ (265+) | — |
| 78/100 | 4.9★ (235+) | — | |
Mountain Valley Plumbing and Heating ⭐ Best for Cold-Climate / Hyper-Heat |
83/100 | 4.9★ (875+) | 19+ |
M and M Heating, Cooling, Plumbing and Electrical ⭐ Highest Vouched Score · ⭐ Best for Heat-Exchanger Replacement · ⭐ Best for Gas Valve & Combustion Repair |
91/100 | 4.9★ (3,520+) | 25+ |
Listed in
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Profile last updated July 28, 2026.