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Bellevue, Washington · Commercial

Commercial HVAC & plumbing contractors in Bellevue, WA

2 commercial HVAC & plumbing contractors in Bellevue, out of 15 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
2
Avg. score
58
Scored
2

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 2 commercial HVAC & plumbing contractors in Bellevue, Washington. 2 have enough public signals for a Registry Score, averaging 58 out of 100; none scores 70 or higher. Together they hold 19 public reviews on Google, Yelp and Facebook. The highest-scored is Holmberg Mechanical, at 62 out of 100. 2 are Featured for 2026. View Holmberg Mechanical.

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–2 of 2

Commercial HVAC & plumbing contractors in Bellevue: at a glance

How many commercial HVAC & plumbing contractors are in Bellevue, Washington?
As of October 14, 2026, the ProComfort Registry lists 2 commercial HVAC & plumbing contractors in Bellevue, Washington.
Who is the highest-scored commercial HVAC or plumbing contractor in Bellevue, Washington?
By Registry Score, Holmberg Mechanical (Bellevue, WA) ranks first at 62 out of 100, among 2 scored businesses averaging 58. 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 Bellevue, Washington for 2026?
ProComfort Registry features Holmberg Mechanical, Custom Mechanical Solutions. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are commercial HVAC & plumbing contractors in Bellevue, Washington 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 commercial, industrial or mechanical contracting. Tags come from each business's public category and name, so a company can appear under several trades. Commercial HVAC & plumbing contractors across the US