Comments on: Portable Air Conditioners

By: Obvious Advice

Obvious Advice — Wed, 02 Jun 2010 01:03:15 +0000

Diesel needs cooling?? Check for 2 things: 1- AMPS, not Watts. (match demand with output, carefully). 2- Most vehicle inverters produce a SQUARE wave. The electronics in a high-tech controller board (as is in these portable A/C units) require a SINE wave (cleaner) output. PS – Where R U going 2 vent it? An open window could defeat the capacity of the A/C…. Good luck.

By: Terry

Terry — Thu, 27 May 2010 06:22:19 +0000

Here’s a question? I have a older diesel truck with no a/c. If I bought a portable a/c unit and ran it off my inverter (3000 watt) and vented it through the rear of the cab wall so it just pulled in air with no leaks. I would think that would solve my problem while driving. also 7,000 btu ought to make the cab pretty KOOL! it’s a diesel….so noise isn’t an issue! and I could also use it in my travel trailer when I wasn’t traveling!

By: Mark Hills

Mark Hills — Sun, 15 Feb 2009 16:36:43 +0000

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By: syrhiz

syrhiz — Thu, 27 Nov 2008 01:56:34 +0000

Cool portable air conditioners. more efficient to cool the areas where you are sleeping and working by using a portable air conditioner. it give a thumb up!!

By: Shiney

Shiney — Fri, 19 Sep 2008 12:02:04 +0000

Yes it is true that Portable Air Conditioning unit gives you the best of cooling you require and is also comfortable to move from one place to another.

By: Crackers

Crackers — Wed, 30 Jul 2008 16:28:35 +0000

I recently purchased a used portable ac at an estate sale. Brand is WindChaser, 9,000 btu. I love it! It only has one hose to vent the hot air out. I don’t see how two hoses positioned side by side in a window can draw cool air in when the hot air hose blowing out is right beside the “supposed” cool air hose. Seems to me like you’d still be sucking in hot air.

Been using it for 2 weeks now and don’t have a single complaint about it.

By: leo

leo — Wed, 16 Jul 2008 05:31:31 +0000

Don’t buy one of these machines unless they have two hoses. One to draw air from the outside and one to blow out the heated air. Otherwise a vacuum in the room you are cooling is created and drawing air in from werever like crackes in windows from the outside and now you pay to cool outside air also. A 10,000 BTU cooler may only be able to cool a 150 sq room not the claimed 450 feet most say wasting lots of power. Never buy the single exhaust portable air conditioner. These things only help melt the Polar Ice Caps

By: Jim

Jim — Thu, 03 Jul 2008 21:05:39 +0000

Thanks Matt. So it sounds like this will only work using double-hung windows that will shut down on the adjustable piece you mentioned.

By: Matt the Engineer

Matt the Engineer — Thu, 03 Jul 2008 21:00:02 +0000

An air conditioner is a heat pump – it moves heat from one substance to another. In order to cool down air it needs to warm up something else. This is why there’s a vent needed – it warms up air, and dumps that air outside.

Generally portable A/C’s have a vent pipe and an adjustable piece that is designed to be closed in a window. Just sticking the pipe in an open window will leak warm outside air into the room, which is why this adjustable piece is important.

You certainly shouldn’t drill a hole in your wall – that kills the whole idea of making it portable!

By: Jim

Jim — Thu, 03 Jul 2008 18:15:00 +0000

THis may be a dumb question: Do all portable A/Cs have to be vented to the outdoors? If so, do you need to drill a vent hole through your wall? Or just stick a vent pipe through an open window? What if you have casement windows?