The heating system, usually including round or rectangular metal pipes used for distributing hot or cold air from the furnace or central air conditioning unit to rooms in a home or building.

Back to the glossary

Ready to see more?

“We saved $75,000 on time card fraud in the first 12 months.”

Advantage Flooring
Hanover, MD
200 employees

Calculate your savings today!

Ready to start seeing your savings?

Calculate now