How many HVAC and plumbing companies are in Ontario, CA?

The ProComfort Registry lists 8 heating, cooling and plumbing businesses serving Ontario: 8 offering HVAC and 0 offering plumbing (some do both).

What is the average Registry Score in Ontario?

Rated companies in Ontario average 59.2 out of 100. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.

How are Ontario companies ranked?

By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.

Ontario, California

HVAC & Plumbing Pros in Ontario, CA

8 businesses serve Ontario. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.

Pros: 8
Avg. score: 59.2
Featured: —

Showing 1–8 of 8

Strong

Advanced Comfort Heating & Air Conditioning

Ontario, CA 91761 4.9(116 reviews)

HVACHeatingA/C

(909) 687-4714 Website

Strong

Macawsome Heating & Cooling

Ontario, CA 91761 4.4(169 reviews)

HVACHeatingA/C

(840) 788-7658 Website

Developing

Keeping It Cool Heating and Air

Ontario, CA 91762 4.8(37 reviews)

HVACHeatingA/C

(909) 952-1237

Developing

Magnison & Moen Inc

Ontario, CA 91761 4.3(11 reviews)

HVAC

(909) 947-3187 Website

Developing

Specialize Heating & Air

Ontario, CA 91762 4.3(63 reviews)

HVACHeatingA/C

(503) 523-4018 Website

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Not yet rated

Air Temp Air Conditioning

Ontario, CA 91761

HVACA/C

(909) 957-3938

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Not yet rated

Heating & Air Conditioning Company

Ontario, CA 91761

HVACHeatingA/C

(909) 321-3249

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Not yet rated

Repair Lennox HVAC Systems

Ontario, CA 91761

HVAC

(909) 295-2740

Ontario at a glance

How many HVAC and plumbing companies are in Ontario, CA?: The ProComfort Registry lists 8 heating, cooling and plumbing businesses serving Ontario: 8 offering HVAC and 0 offering plumbing (some do both).
What is the average Registry Score in Ontario?: Rated companies in Ontario average 59.2 out of 100. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
How are Ontario companies ranked?: By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.