84
StrongThornton, CO 80602 4.9(532 reviews)
HVACPlumbingHeating
Thornton, Colorado · Heating & furnaces
Heating & furnace contractors in Thornton, CO
12 heating & furnace contractors in Thornton, out of 14 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 12
- Avg. score
- 64.3
- Scored
- 11
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 12 heating & furnace contractors in Thornton, Colorado. Most-listed specialties: air conditioning (11), commercial (2), ductwork & IAQ (1). 11 have enough public signals for a Registry Score, averaging 64.3 out of 100; 6 score 70 or higher. Together they hold 2,243 public reviews on Google, Yelp and Facebook. The highest-scored is To the T Plumbing Heating and Air, at 84 out of 100. 6 are Featured for 2026. View To the T Plumbing Heating and Air.
Counts come straight from the Registry's records. How the Registry Score works
Featured heating & furnace contractors in Thornton
78
Strong78
Strong70
Strong65
EstablishedShowing 1–12 of 12
84
StrongThornton, CO 80602 4.9(532 reviews)
HVACPlumbingHeating
80
StrongThornton, CO 80241 4.8(232 reviews)
HVACHeatingA/C
78
StrongThornton, CO 80241 4.9(818 reviews)
HVACHeatingA/C
78
Strong70
StrongThornton, CO 80229 4.8(59 reviews)
HVACHeatingA/C
70
Strong65
EstablishedThornton, CO 80241 4.6(70 reviews)
HVACHeatingA/CCommercial
59
Established55
Established35
Developing33
DevelopingThornton, CO 80241 4.1(15 reviews)
HVACHeatingA/CCommercial
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Not yet ratedHeating & furnace contractors in Thornton: at a glance
- How many heating & furnace contractors are in Thornton, Colorado?
- As of October 14, 2026, the ProComfort Registry lists 12 heating & furnace contractors in Thornton, Colorado.
- Who is the highest-scored heating contractor in Thornton, Colorado?
- By Registry Score, To the T Plumbing Heating and Air (Thornton, CO) ranks first at 84 out of 100, among 11 scored businesses averaging 64.3. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- Which companies are featured in Thornton, Colorado for 2026?
- ProComfort Registry features To the T Plumbing Heating and Air, Impact Heating & Cooling Inc., QC Colorado, Colorado Air Solutions, Prime Performance Mechanical. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are heating & furnace contractors in Thornton, Colorado ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to heating: furnaces, boilers, heat pumps or radiant heat. Tags come from each business's public category and name, so a company can appear under several trades. Heating & furnace contractors across the US