
As you probably know by now our house will be more or less airtight with ventilation provided by a MVHR (mechanical ventilation and heat recovery) system. Essentially this pumps in air from outside and chucks out the stale, stinky air once it has had the heat removed.
So far so good, but if it’s raining outside, won’t it suck nasty damp air into the house and make everything wet?
Continue reading “Will it rain inside my house?”