HVAC
How to Estimate Air Duct Cleaning
Contractor method for estimating air duct cleaning by vents, returns, units and extras.
Air duct cleaning is priced by the number of supply vents and returns, plus the HVAC units and any sanitizing. Counting the registers is the fastest way to a reliable quote.
THE SHORT ANSWER
How do you estimate air duct cleaning?
Multiply supply vents, returns and units by their rates, then add sanitizing and extras. 12 vents at $50, 4 returns at $60, 1 unit at $100 totals $940.
Count the vents and returns
Total the supply registers and the return registers. Each carries a per-register price.
- Supply vents
- Returns
- HVAC units
- Sanitize
Add the HVAC units
Each furnace or AC unit cleaned adds a fixed cost for the equipment work.
Include sanitizing and extras
Antimicrobial treatment is an optional line, and camera inspection or access adds a fixed extra.
Total and validate
12 vents at $50, 4 returns at $60 and 1 unit at $100 is $940 before sanitize and extras. Use the Air Duct Cleaning Cost Calculator.