Groulx Mechanical Heating & Cooling Inc.
Longmont, CO Indoor Air Quality · #3 of 3
Overview
Groulx Mechanical lists ERV/HRV ventilation installation among their IAQ services. Groulx Mechanical notes whole-house humidifier installation and maintenance. The company advertises financing options for larger IAQ projects. Longmont's dry winters make whole-home humidification especially relevant. Groulx Mechanical advertises same-day emergency response for urgent HVAC and IAQ needs.
Whole-home IAQ installs in Longmont, focusing on ventilation and humidification. ERV/HRV ventilation: lists mechanical energy-recovery ventilation installation on its services page. Whole-house humidifier: states humidifier installation and maintenance for Colorado's dry winters. Financing Available and same-day emergency response are listed for larger IAQ projects.
Score breakdown
At the Longmont, CO Indoor Air Quality average (81/100). Ranks #3 of 3 listed Indoor Air Quality 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 | 81/100 | matches city average |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 265+ | 1,675+ | -1410 vs avg |
Pros
- High Google rating (5.0★ across 265+ reviews)
When to choose them
- You need to finance the work
- You prefer a family-owned operation
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 indoor air quality service typically cost when working with a Longmont, CO provider like Groulx Mechanical Heating & Cooling Inc.?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Groulx Mechanical Heating & Cooling Inc. (this company) |
81/100 | 5.0★ (265+) | — |
| 68/100 | 4.8★ (55+) | 30+ | |
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+ |
| 85/100 | 4.9★ (1,445+) | 32+ |
Listed in
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Profile last updated July 28, 2026.