A house most likely to experience problems with indoor air quality is one with:
What’s with all the greenhouse questions?
Think spring I am looking forward to it soon I hope .,Roy Cooke
Sounds like time for a change. This Q must have been way too easy. This hit almost 100%. That’s a bit too scary…
???
Forced hot air heating sytem!
or a newer home with a forced hot air heating system. and No Make up air!!!