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Very tight homes benefit from the use of controlled air vents that allow for fresh, draft-free make-up air to enter the house. Put these passive air inlets high on an exterior wall in every bedroom and one in a central living space to insure a constant supply of controlled fresh make-up air.

Therma-Stor

Fresh 80 Air Inlet

$35.20

Therma-Stor

Fresh 100 Air Inlet

$44.50

Therma-Stor

Fresh 100 Extension

$4.85

Therma-Stor

Fresh 80 Extension

$2.90