A secondary goal of weatherstripping is to keep interior air in, thus saving energy on heating and air conditioning.

No one had used this vessel for a month, and the interior air felt brittle and stagnant.

But the Sport Sedan gets around the problem with clever vents that allow interior air to escape.

How much benefit is there in combusting outside air instead of interior air?

They tend to not dry out the interior air as much as forced air systems, but this is not always true.

For tests lasting less than one week, operate only air-conditioning units which re-circulate interior air.

This limit is sent to ensure that the interior air remains safe and comfortable to breathe.

Small space heaters powered by diesel fuel kept the interior air at fifty degrees Fahrenheit.

And with the swift-changing temperatures, for all Roc could do to keep them equalized, came pressure changes of our interior air.