Who is the highest-scored ductwork and indoor air quality pro in Glendale, California?

By Registry Score, Rapid Duct Testing & Air Balancing (Glendale, CA) ranks first at 70 out of 100, among 3 scored businesses averaging 53. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.

Glendale, California · Ductwork & IAQ

Ductwork & indoor air quality pros in Glendale, CA

3 ductwork & indoor air quality pros in Glendale, out of 48 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros: 3
Avg. score: 53
Scored: 3

Summary

Data last updated October 14, 2026

As of October 14, 2026, the ProComfort Registry lists 3 ductwork & indoor air quality pros in Glendale, California. Most-listed specialties: air conditioning (3), heating & furnaces (2). 3 have enough public signals for a Registry Score, averaging 53 out of 100; 1 scores 70 or higher. Together they hold 124 public reviews on Google, Yelp and Facebook. The highest-scored is Rapid Duct Testing & Air Balancing, at 70 out of 100. 1 is Featured for 2026. View Rapid Duct Testing & Air Balancing.

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

Showing 1–3 of 3

Strong

Rapid Duct Testing & Air Balancing

Glendale, CA 91206 4.3(18 reviews)

HVACA/CDucts

(818) 552-2044 Website

Established

Accurate Duct Testing

Featured

Glendale, CA 91201 4.4(7 reviews)

HVACHeatingA/CDucts

(818) 480-0412 Website

Developing

True Master HeatingVentilation & Air Conditioning

Glendale, CA 91205 2.7(99 reviews)

HVACHeatingA/CDucts

(844) 505-5005 Website

Ductwork & indoor air quality pros in Glendale: at a glance

How many ductwork & indoor air quality pros are in Glendale, California?: As of October 14, 2026, the ProComfort Registry lists 3 ductwork & indoor air quality pros in Glendale, California.
Who is the highest-scored ductwork and indoor air quality pro in Glendale, California?: By Registry Score, Rapid Duct Testing & Air Balancing (Glendale, CA) ranks first at 70 out of 100, among 3 scored businesses averaging 53. 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 Glendale, 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