I've never understood why people spend $1000-$1500 to install these systems.
You can achieve the same result by opening a window at each end of your house and letting the wind blow through.
Nett result - the moist air is removed and your house is colder.
I certainly don't believe the claim that "warm air from your ceiling cavity" is pumped into the house.
At 11pm on a winters night, my ceiling cavity is about 1C. The interior of my fridge is warmer.
You can achieve the same result by opening a window at each end of your house and letting the wind blow through.
Nett result - the moist air is removed and your house is colder.
I certainly don't believe the claim that "warm air from your ceiling cavity" is pumped into the house.
At 11pm on a winters night, my ceiling cavity is about 1C. The interior of my fridge is warmer.
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