Top 9 Air Quality Testing in Plano, TX

Updated March 2026 · Based on licensing, reviews & response time

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1

FixAIRx

5400 W Plano Pkwy #210, Plano, TX 75093, USA
★★★★★ 5 (204 reviews)
Licensed & InsuredTop Rated
Services: Air Quality Testing
2

Barrett Environmental LLC

208 S Johnson St Suite 107, McKinney, TX 75069, USA
★★★★½ 4.7 (26 reviews)
Licensed & InsuredTop Rated
Services: Air Quality Testing
3

G D Air Testing Inc

1825 Summit Ave #200, Plano, TX 75074, USA
★★★★☆ 4.3 (4 reviews)
Licensed & InsuredTop Rated
Services: Air Quality Testing
4

Indoor Environmental Safe Space Network

280 W Renner Rd #3513, Richardson, TX 75080, USA
★★★★★ 5 (9 reviews)
Licensed & Insured
Services: Air Quality Testing
5

24H Mold Inspection of Collin County

101 E Park Blvd Suite 600, Plano, TX 75074, USA
★★★★½ 4.6 (11 reviews)
Licensed & Insured
Services: Air Quality Testing
6

AISM

P.O. Box 863925, Plano, TX 75086, USA
★★★★★ 5 (3 reviews)
Services: Air Quality Testing
7

Efficient Home Solutions of Plano

1105 E Plano Pkwy, Plano, TX 75074, USA
★★★★½ 4.8 (345 reviews)
Services: Air Quality Testing
8

Duct Time

820 W Spring Creek Pkwy STE 400 DD, Plano, TX 75023, USA
★★★★★ 5 (316 reviews)
Services: Air Quality Testing
9

Holmes Mold Inspection Services

3131 Custer Rd 2nd floor ste 215, Plano, TX 75075, USA
★★★★★ 5 (9 reviews)
Services: Air Quality Testing

How We Ranked These Plano Pros

Our rankings are based on a weighted evaluation of five key factors:

  1. Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
  2. Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
  3. Response Time — Companies offering same-day or 24/7 emergency service score higher.
  4. Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
  5. Experience & Longevity — Years serving the Plano market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.