Green Home Services
- Website checked
KJ Thomas Mechanical
KJ Thomas Mechanical installs and repairs furnaces, heat pumps and ductless mini-splits in Longmont, Boulder and Niwot, with emergency service for heating and cooling problems.
What they do
KJ Thomas Mechanical installs and repairs furnaces, heat pumps and ductless mini-splits, and handles heating repair for homes in Longmont, Boulder and Niwot. It also installs air conditioning and water heaters, works with Trane and Mitsubishi equipment, and does panel upgrades. Founded in 1995 and family-owned, the firm offers emergency service for heating and cooling problems, including no-heat calls. Online estimate requests are available, and financing is offered on installs. Repair workmanship carries a one-year guarantee from the date of service. The company is open on weekdays only.
- Furnace repairs and installs
- Boiler service
- Heat pumps
- Ductless mini-splits
- Air conditioning
- Heating repairs
Listed under Heating and cooling emergencies
Where they work
What we checked
- Its own website lists this work: kjtmechanical.com/services/heat-pumps (opens in a new tab), kjtmechanical.com/services/mini-splits (opens in a new tab)
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
Other heating and cooling emergencies pros in Boulder
Peak to Peak Plumbing & Hydronics
- Website checked
Aqua Care Solar LLC
- Website checked
Still choosing the equipment?
Compare prices and specs before you call a pro.