About Us

Applied Building Science is the North Bay’s premier building performance contractor.

Among the services we offer are audits and assessments, air sealing, window replacement, insulation enhancement, crawlspace sealing, appliance replacement, furnace replacement, duct design and replacement, solar electricity and water heating, ventilation enhancements, and air conditioning upgrades.

We are also a full service remodeling contractor.

We are also proud to be an authorized PG&E Energy Partners weatherization contractor, and a dealer for the most energy efficient windows made in America, Serious Windows.

Among our many certifications are Build It Green Certified Green Building Professional, CHEERS Whole House HERS rater, BPI certified building analysts, and California Building Performance Contractors Association contractor.



To find our how ABS can improve the comfort, healthfulness, and efficiency of your home while reducing greenhouse gas emissions please contact us at:

  • Applied Building Science
  • Office: 707.528.3468
  • Fax: 707.528.3433
  • Email: info@absnorthbay.com
  • 1350 Central Ave. #6
    Santa Rosa, CA 95401