Groulx Mechanical Heating & Cooling Inc.
Longmont, CO HVAC · #3 of 3
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
Review sentiment: 95/100
Overview
AC repair and installation is a primary focus across their service pages. Groulx Mechanical lists Mitsubishi Preferred Dealer status on its site. Longmont's high-altitude, dry winters increase HVAC load and humidifier demand locally. Customer reviews show many installation and replacement projects with high ratings.
Residential and commercial HVAC in Longmont, CO, focused on AC, heat pumps, and ductless mini-splits. Manufacturer Dealer status: Mitsubishi Preferred Dealer, listed on their website. Emergency response: same-day service advertised. Financing available, per their site.
Score breakdown
Longmont, CO HVAC average is 85/100. Ranks #3 of 3 listed HVAC providers in Longmont, CO.
Editorial Review
74
48%
Google Rating
100
18%
Local Search Rank
66
10%
Review Sentiment
95
16%
Review Volume
66
10%
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 | 80/100 | 85/100 | -5 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 265+ | 1,940+ | -1679 vs avg |
Pros
Strengths
- High Google rating (5.0★ across 265+ reviews)
When to choose them
- You need mini-split installation
- You need indoor air quality work
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You need to finance the work
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Longmont, COhome
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
📞
🌐
✉️
📍
🕒
Mon - Fri 7:00 am - 7:00 pm
Sat 8:00 am - 2:00 pm
Sun Closed
Frequently asked questions
What are the pros of Groulx Mechanical Heating & Cooling Inc.?
Based on public records and customer reviews: High Google rating (5.0★ across 265+ reviews); Authorized Mitsubishi Preferred Dealer; Emergency response: same-day; Financing available; Indoor air quality services; Mini-split system specialist.
When should I choose Groulx Mechanical Heating & Cooling Inc.?
Choose them if: You need mini-split installation; You need indoor air quality work; You need same-day or after-hours service; You want manufacturer-warranty installation work; You need to finance the work.
What is the Vouched Score for Groulx Mechanical Heating & Cooling Inc.?
80/100. Top contributing signals: Google Rating 100/100+ Review Sentiment 95/100, Llm Score 74/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How can I contact Groulx Mechanical Heating & Cooling Inc.?
Call Groulx Mechanical Heating & Cooling Inc. at +1-720-329-3429. Address: 2447 Winding Dr, Longmont, CO 80504, USA.
What does HVAC service typically cost when working with a Longmont, CO provider like Groulx Mechanical Heating & Cooling Inc.?
AC repair typically runs $155–$675, and full AC system replacement runs $5,700–$13,550 in Longmont, Colorado. These are area-wide market estimates, not Groulx Mechanical Heating & Cooling Inc.'s quotes. For an exact price, request a written estimate from Groulx Mechanical Heating & Cooling Inc..
Does Groulx Mechanical Heating & Cooling Inc. do AC Repair in Longmont, CO?
Yes. Groulx Mechanical Heating & Cooling Inc. lists AC Repair among its services and serves Longmont, CO. Call +1-720-329-3429 for a quote.
Does Groulx Mechanical Heating & Cooling Inc. do AC Replacement in Longmont, CO?
Yes. Groulx Mechanical Heating & Cooling Inc. lists AC Replacement among its services and serves Longmont, CO. Call +1-720-329-3429 for a quote.
Does Groulx Mechanical Heating & Cooling Inc. do HVAC Installation in Longmont, CO?
Yes. Groulx Mechanical Heating & Cooling Inc. lists HVAC Installation among its services and serves Longmont, CO. Call +1-720-329-3429 for a quote.
Does Groulx Mechanical Heating & Cooling Inc. do Heat Pump Service in Longmont, CO?
Yes. Groulx Mechanical Heating & Cooling Inc. lists Heat Pump Service among its services and serves Longmont, CO. Call +1-720-329-3429 for a quote.
Does Groulx Mechanical Heating & Cooling Inc. do Mini-Split Systems in Longmont, CO?
Yes. Groulx Mechanical Heating & Cooling Inc. lists Mini-Split Systems among its services and serves Longmont, CO. Call +1-720-329-3429 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Groulx Mechanical Heating & Cooling Inc. (this company) ⭐ Mitsubishi Dealer in Longmont |
80/100 | 5.0★ (265+) | — |
| 78/100 | 4.8★ (860+) | 10+ | |
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+ |
Welzig Heating, Air, Plumbing & Electric ⭐ Highest Vouched Score · ⭐ Smart Thermostat Install · ⭐ Free Estimates |
85/100 | 4.9★ (1,445+) | 32+ |
Listed in
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Profile last updated July 28, 2026.