
Groulx Mechanical Heating & Cooling Inc.
Longmont, CO
5.00 (269 reviews)
View ProfileTNT Home Services - Longmont is an HVAC contractor serving Longmont and Northern Colorado. It joined the GoodFellas Heating, Cooling & Electric family and continues under its own brand. TNT has provided HVAC, plumbing and electrical services since 2016.
Compare a few featured businesses in this area.

Longmont, CO
5.00 (269 reviews)
View ProfileLongmont, Boulder, Erie, Lafayette, Louisville, Niwot, Superior, Firestone, Frederick and Dacono; Northglenn, Thornton, Westminster, Broomfield, Arvada, Wheat Ridge, Brighton, Commerce City, Henderson, Lochbuie and Denver.
Public local listing. TNT Home Services - Longmont is one of 9 HVAC companies ProsGrade lists in Longmont, Colorado.
9 services listed, including Furnace installation, Furnace repair and Furnace maintenance. Open 24 hours, 7 days a week. 861 reviews.
How TNT Home Services - Longmont compares with the other 8 HVAC companies on ProsGrade in Longmont, using public Google ratings and review counts.
Open 24 hours; call for availability and response times.
Customer accounts differ: one homeowner praised the installers for being on time, courteous and helpful with maintenance guidance, while two others described pressure around pricing or a purchase decision. One of those customers credited Brent with being friendly, knowledgeable and not pushy, despite describing an earlier interaction as high-pressure and the invoice as vague. A customer seeking help with a frozen pipe reported a late arrival, no call-back or invoice after two weeks, and disputed charges.
Share your experience with this business. Reviews are moderated before they appear publicly.
It tests the system and calibrates the thermostat and other settings after installation.
The team helps navigate rebate programs and guides applicants through the application process, including the necessary documentation.
For members, the plan includes regular system tune-ups and inspections, priority service with faster response times, and discounts on repairs.