73
StrongWalnut, California
HVAC & Plumbing Pros in Walnut, CA
6 businesses serve Walnut. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.
- Pros
- 6
- Avg. score
- 68.8
- Featured
- 2
Featured · 2026
Featured in Walnut
70
StrongShowing 1–6 of 6
85
Exceptional73
StrongWalnut, CA 91789 4.8(141 reviews)
HVACHeatingA/C
70
Strong65
EstablishedWalnut, CA 91789 4.4(27 reviews)
HVACPlumbingHeatingA/C
51
Established—
Not yet ratedWalnut at a glance
- How many HVAC and plumbing companies are in Walnut, CA?
- The ProComfort Registry lists 6 heating, cooling and plumbing businesses serving Walnut: 6 offering HVAC and 1 offering plumbing (some do both).
- What is the average Registry Score in Walnut?
- Rated companies in Walnut average 68.8 out of 100. 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 Walnut for 2026?
- ProComfort Registry features I GO Heating & Air Conditioning, R Momi Heating & A/C in Walnut. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are Walnut companies ranked?
- By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.