What is that smell when you turn the heat on?
[fa icon='calendar'] Jan 10, 2018 4:58:46 PM / by Reid Geiler posted in indoor air quality, What is that smell when you turn the heat on?
It's that first cold day of the year. You turn on the heat and suddenly you are hit with an odor.
The answer depends on the problem. Let's talk about the most serious one first.