Washington Extends Air Purification Tax Credits

January 31, 2026 February 19, 2026 by David Chen in Home & Living 1 min read

Washington State extends tax credits for homeowners installing ENERGY STAR certified air purification systems through 2026.

Credit Details

Qualifying systems include whole-house HEPA filtration and HRV/ERV ventilation systems. Credits cover up to 30% of installation costs with a $1,500 maximum.

Systems must be installed by licensed contractors to qualify.

How to Apply

Homeowners can claim the credit when filing state taxes. Keep all receipts and manufacturer certifications for documentation. Consult a tax professional for specific eligibility questions.

David Chen

Author & Expert

Jason Michael is the editor of northwestcleanair.com. Articles on the site are researched, fact-checked, and reviewed by the editorial team before publication. Read our editorial standards or send a correction at the editorial policy page.

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