Basic
$1,334 – $4,003 each
Bypass HEPA unit tied to the return duct with flex connections, prefilter and HEPA filter, runs with the blower
Install one whole-house HEPA bypass air filtration unit tied into an existing forced-air HVAC system, unit plus labor.
Hepa Air Cleaning System in Washington, District of Columbia typically costs $1,570 to $4,709 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for hepa air cleaning system.
National average: $1,500 – $4,500 each
$1,334 – $4,003 each
Bypass HEPA unit tied to the return duct with flex connections, prefilter and HEPA filter, runs with the blower
$1,570 – $4,709 each
Higher-airflow bypass HEPA unit with carbon prefilter and filter-change indicator, sealed duct connections
$1,962 – $5,887 each
Higher-airflow bypass HEPA unit with carbon prefilter, airflow sensor and blower interlock, sealed rigid connections
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $709 – $2,127 | each |
| Labor | labor | $546 – $1,639 | each |
| Supplies & Other | supplies | $189 – $566 | each |
| Equipment & Disposal | equipment | $126 – $377 | each |
Connect with local hepa air cleaning system contractors in Washington for personalized quotes based on your specific project.