63
EstablishedSan Mateo, California · Ductwork & IAQ
Ductwork & indoor air quality pros in San Mateo, CA
2 ductwork & indoor air quality pros in San Mateo, out of 12 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 2
- Avg. score
- 61
- Scored
- 2
Summary
Data last updatedAs of October 1, 2026, the ProComfort Registry lists 2 ductwork & indoor air quality pros in San Mateo, California. Most-listed specialties: heating & furnaces (1), air conditioning (1). 2 have enough public signals for a Registry Score, averaging 61 out of 100; none scores 70 or higher. Together they hold 179 public reviews on Google, Yelp and Facebook. The highest-scored is Air Duct Cleaning, at 63 out of 100. View Air Duct Cleaning.
Counts come straight from the Registry's records. How the Registry Score works
Showing 1–2 of 2
59
EstablishedSan Mateo, CA 94401 4.7(25 reviews)
HVACDucts
Ductwork & indoor air quality pros in San Mateo: at a glance
- How many ductwork & indoor air quality pros are in San Mateo, California?
- As of October 1, 2026, the ProComfort Registry lists 2 ductwork & indoor air quality pros in San Mateo, California.
- Who is the highest-scored ductwork and indoor air quality pro in San Mateo, California?
- By Registry Score, Air Duct Cleaning (San Mateo, CA) ranks first at 63 out of 100, among 2 scored businesses averaging 61. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- How are ductwork & indoor air quality pros in San Mateo, California 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 ducts, ventilation, sheet metal or indoor air quality. Tags come from each business's public category and name, so a company can appear under several trades. Ductwork & indoor air quality pros across the US