Why is ventilation important?

How do I know if my home is properly ventilated?

What’s the difference between ventilating a bathroom and “whole-house” ventilation?

Will ventilation save me money on my energy bills?

My windows fog up a lot, what’s going on and how do I fix it?

I don’t like humidity in the bathroom, and I don’t like turning on the noisy bathroom fan. Can I get rid of the humidity without the noise?

Do I have to buy a separate bath fan for each bathroom in my house?

If I buy a whole house ventilation system and have it installed, do I have to worry about turning it on and off or can I set it and forget it?

My son is allergic to pollen. How can we get fresh air into the house without bringing these allergens inside?