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Old 11-28-2017, 05:06 PM   #1
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Location: St. Petersburg, FL
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Swap Furnace for A/C Unit??

This is a longshot, I know.

Looking into the possibility of pulling the suburban furnace in our '87 GMC, and putting our window a/c unit in it's place. We have an unconventional layout- vanity is directly behind the drivers seat, and the furnace is housed at the bottom of the vanity. I am optimistic that since there is already venting for the furnace, that we can rig it so the a/c unit can be put there with a small drain for condensation or something to the outside. We live in Florida, so air is crucial, and not having to lug the thing from under the bench seat into the window every time we set up camp would be magical.

Has anyone attempted something like this? Or even just taken out a pre-2000's suburban furnace? I'm terrified of opening a can of worms as soon as I start unbolting things.
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Old 11-28-2017, 05:25 PM   #2
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The Suburban is going to have a fairly small opening in the side of the van compared to what you may need for the AC. Have you measured the back of the AC unit to see how they compare? Other than you may having to enlarge the opening in the side of the van and modify the cabinet it should work. Photos and measurement of the AC unit would help.
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Old 12-30-2017, 12:08 PM   #3
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After some brainstorming and measurements, we modified our plan slightly. We will be pulling the furnace, and simply storing the window unit in it's place during transport. When we arrive at camp, we can reach the unit easily to pop it in the window and voila! Not quite as effortless, but a good compromise to keep us from cutting into the body panels.

Thanks for the advice!
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Old 12-30-2017, 05:04 PM   #4
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Sounds like a good solution. Do not forget to post some photos of the unit in both locations.
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