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Xringer · 11-03-22, 09:13 PM

Today, I didn't allow enough air into the basement while running the radon fan for 4 hours. 12:00 to 16:00
Ended up with more Radon! It was pulled out of the sump holes and cracks in the floor! I created a little vacuum and got punished. No Ham radio in the basement tonight!

The radon was low at noon. But I wanted to ventilate the basement to freshen up the air. I opened the pull-down stairs to the attic, thinking cool air would flow down. But it was so hot today in the attic, there was no down-flow of attic air. It was likely a suction effect. Especially if attic vent fan turned on (auto-on at 120F).

I'm going to need some way of bringing in outside air into the basement. When it's cold outside, that will be a real problem. I don't want a lot of cold air on the basement floor while the Radon fan is running.

~~~
On another note, I need to look at the Radon after the oil burner has been running! That thing sucks too!

Cheers,
Rich

11-03-22, 09:13 PM	#11
Xringer Lex Parsimoniae Join Date: Feb 2009 Location: Woburn, MA Posts: 4,918 Thanks: 114 Thanked 250 Times in 230 Posts	Changed my mind about input air Today, I didn't allow enough air into the basement while running the radon fan for 4 hours. 12:00 to 16:00 Ended up with more Radon! It was pulled out of the sump holes and cracks in the floor! I created a little vacuum and got punished. No Ham radio in the basement tonight! The radon was low at noon. But I wanted to ventilate the basement to freshen up the air. I opened the pull-down stairs to the attic, thinking cool air would flow down. But it was so hot today in the attic, there was no down-flow of attic air. It was likely a suction effect. Especially if attic vent fan turned on (auto-on at 120F). I'm going to need some way of bringing in outside air into the basement. When it's cold outside, that will be a real problem. I don't want a lot of cold air on the basement floor while the Radon fan is running. ~~~ On another note, I need to look at the Radon after the oil burner has been running! That thing sucks too! Cheers, Rich Attached Images __________________ My hobby is installing & trying to repair mini-splits EPA 608 Type 1 Technician Certification ~ 5 lbs or less..