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Old 09-24-17, 02:43 PM   #6
Supreme EcoRenovator
Join Date: Sep 2012
Location: Vancouver Island,Canada.
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My latest deduction is this

The unit is 275% efficient vs baseboard it draws in 1/3 cold air from air infiltration

So it has a added loss of 1/3 that is re warmed at 275% efficiency rate

So its worse feature is padded by the high efficiency making for a win win no matter how I look at it as compared to baseboard heating.

I could not find one person who thinks along those lines on the internet the HVAC guys know little about these crappy units so their input was always flawed in some way.

A good discussion I found was on "the straight dope" forum - Portable air conditioner - one hose or two?

I learned how not to look at it by reading that forum more so could see the errors in the logic even though it was talking about cooling not heating. I had to reconvert the discussion to my heating needs.

This thread may well gain some attention as there is practically no info on heating with a portable ac with heater on the web not in my search results anyways

A simple query turned into a confusing topic.

Although still not 100% if the negative pressure will or will not hold the warm air in the downstairs room.

That is going need to be tested directly to see if this thing is a win or loss

I'm assuming the first few paragraphs I wrote are correct

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