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You want to control your ventilation. Making a loose house just means you get ventilation, but not on your terms. HRV/ervs in a tight house allows you to ventil

You want to control your ventilation. Making a loose house just means you get ventilation, but not on your terms. HRV/ervs in a tight house allows you to ventilate your house, how you want, where you want. A loose house might be ventilating your house through insulation filled with dust and rat poop. You will never know.

mypalmike 4y ago
In an old house, you will know about the rat poop by the smell after you turn on that new AC unit.
aidenn0 4y ago
I can see daylight between my ceiling and exterior walls, so I know where the air cubes from in my house...