Quote:
Originally Posted by DoubleF
In my first year in my townhouse with no AC (NE facing), using air movers, the furnace fan on 24/7/exhaust fans on and windows open in evening etc. for hours before sleeping, house would still be sweltering hot until like 2-3 AM when the temps finally dipped into the low 20s.
At least for what was in my old townhouse unit, it didn't move enough air to be considered a poor mans AC. I wish it had been good enough as a poor man's AC, but I had no choice but to install by next summer AC to avoid peaks of 30C+ temps in the town house during the summer. It's not like it was going to replace a heat pump or HRV for air movement/exchange.
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Fuzz made a good follow up post, you really need to see a strong difference between outside temps and inside temps. If it’s 25 outside and 28 on your top floor then yeah it won’t be noticeable at all, and even when you do have a 10 degree difference it’s still not overly effective.
We have a house cleaner who comes by once a month and she accidentally flipped the ventilation switch while cleaning in January and I’ll promise you my house was damn cold when I got home. Like probably ~12 inside