Glossary
Air barrier.
- Any boundary that air cannot pass through.
Air handler.
- In a forced air heating system this is the "box" containing the fan that circulates the air.
Conditioned space.
- An area that is designed to be heated.
Return.
- This is the part of the thermal energy distribution system that carries fluid (water or air) from the conditioned space back to the air handler so that it can be heated or cooled and sent out to the conditioned space again.
Supply.
- This is the part of the thermal energy distribution system that carries fluid from the air handler to the conditioned space.
Thermal barrier.
- A boundary to heat flow. i.e. insulation
Unconditioned space.
- Any space that is not meant to be heated.