Furnace In Crawlspace?
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Furnace In Crawlspace? (by Dave [AR]) Apr 11, 2011 5:30 AM
       Furnace In Crawlspace? (by Sandy [CA]) Apr 11, 2011 6:37 AM
       Furnace In Crawlspace? (by gevans [SC]) Apr 11, 2011 7:21 AM
       Furnace In Crawlspace? (by Opinionated [NC]) Apr 11, 2011 12:42 PM
       Furnace In Crawlspace? (by nhsailmaker [NH]) Apr 11, 2011 3:45 PM
       Furnace In Crawlspace? (by RR78 [VA]) Apr 11, 2011 6:54 PM
       Furnace In Crawlspace? (by Shark [MI]) Apr 11, 2011 7:30 PM
       Furnace In Crawlspace? (by Sue S. [IL]) Apr 11, 2011 7:32 PM
       Furnace In Crawlspace? (by BRAD 20,000 [IN]) Apr 11, 2011 11:09 PM
       Furnace In Crawlspace? (by Andrew R [UT]) Apr 12, 2011 4:27 AM
       Furnace In Crawlspace? (by Dave [AR]) Apr 12, 2011 5:44 AM
       Furnace In Crawlspace? (by Virden [OH]) Apr 12, 2011 6:55 AM
       Furnace In Crawlspace? (by Sandy [OH]) May 2, 2013 7:01 PM


Furnace In Crawlspace? (by Dave [AR]) Posted on: Apr 11, 2011 5:30 AM
Message:

I have never seen a furnace put in a crawl space until I went and looked at a house this weekend. The house was built in 2003. It just seems odd to me. The thought of the moist environment that is normally found in a crawlspace just doesnt seem like an ideal place to put a furnace, although it was elevated off the ground a couple feet. As a side note, the hot water heater was also in the crawl space and their was plastic covering the ground if that makes any difference. Anyone have any experience with this? Will it make the furnace's life span shorter (rust, etc.) Any harm in sucking up crawlspace air and blowing it out?

--67.134.xxx.xx




Furnace In Crawlspace? (by Sandy [CA]) Posted on: Apr 11, 2011 6:37 AM
Message:

A few years ago I live in a townhome in Colorado and both the furnace and water heater were in the crawl space. In some areas where there is moisture it might be a problem, yet in CO it was normal. --211.181.xxx.xx




Furnace In Crawlspace? (by gevans [SC]) Posted on: Apr 11, 2011 7:21 AM
Message:

It's very common here, and we have high humidity and moisture problems. Yes, it does rust out the furnaces, but they do it all the time.

They are cheaper to install that way. Less ductwork. --141.129.x.xx




Furnace In Crawlspace? (by Opinionated [NC]) Posted on: Apr 11, 2011 12:42 PM
Message:

"Any harm in sucking up crawlspace air and blowing it out?"

How does it do that? This question shows that one of us knows nothing about normal furnace operation. It might be helpful to learn. --66.226.xx.xx




Furnace In Crawlspace? (by nhsailmaker [NH]) Posted on: Apr 11, 2011 3:45 PM
Message:

at a minimum the return air supply duct needs to have the seams air sealed --75.68.xxx.xxx




Furnace In Crawlspace? (by RR78 [VA]) Posted on: Apr 11, 2011 6:54 PM
Message:

also very normal here. about half and half.

And if central air attached its a little cheaper to run AC with ducts and unit in a cooler crawl space than a hot attic. --76.104.xxx.xxx




Furnace In Crawlspace? (by Shark [MI]) Posted on: Apr 11, 2011 7:30 PM
Message:

Several years ago I purchased a house with the furnace in the crawl space. Previous owner had installed a regular gas forced air furnace on its side to fit the low ceiling. After a few years I had my favorite (usually laid back) heating guy come out to do routine maintenance on the furnace and he had a fit---said that you had to have a special furnace meant to be installed sideways. The normal furnace was dangerous. We replaced immediately. So, you will want to be sure it's the proper type for the application. --98.250.xx.xxx




Furnace In Crawlspace? (by Sue S. [IL]) Posted on: Apr 11, 2011 7:32 PM
Message:

We have a few houses with furnaces and water heaters in the crawl space. We haven't had any problems - they are just a little harder to access and your tenants may not want to replace filters. --75.4.xxx.xxx




Furnace In Crawlspace? (by BRAD 20,000 [IN]) Posted on: Apr 11, 2011 11:09 PM
Message:

We have several in dirt crawls or dirt cellars.

The problem we're having is moisture attacking the newer circuit boards, causing them to fail quickly. The old furnaces are doing fine.

If worried about dust, add a duct or tube for clean combustion air. --67.175.xx.xxx




Furnace In Crawlspace? (by Andrew R [UT]) Posted on: Apr 12, 2011 4:27 AM
Message:

In Utah it's also normal to see furnaces in the basement/crawlspace. The air in the crawl spaces doesn't move and the furnace pulls air from the register in the home. No big deal. I think it's much more convenient to do repairs/improvements because all the lines are accessible and not running in walls. --97.117.xxx.xxx




Furnace In Crawlspace? (by Dave [AR]) Posted on: Apr 12, 2011 5:44 AM
Message:

Thanks for all the reply's. It makes me feel better knowing that it's pretty commonplace.

Opinionated (NC) - Yes I'm aware of how a furnace works. The return register is indeed inside the house and it's filtered, but I've never seen a furnace's return air that was 100% drawn from inside the house. There is always a leak in the return duct somewhere (no matter how small). That is what I was refferring to. --70.240.xx.xxx




Furnace In Crawlspace? (by Virden [OH]) Posted on: Apr 12, 2011 6:55 AM
Message:

Sideways furnaces can often be made from upright models by remounting the vent/inducer fan - these type frames are more costly as they have holes on 3 sides where upflow needs only 1 hole for the flue and the condensing tray mountings. on plastic is good so long as the equipment is rated for this, read those nameplates and understand what you are looking at - this keeps many home inspectors and repairmen working longs hours, how would I know? --76.241.xxx.xx




Furnace In Crawlspace? (by Sandy [OH]) Posted on: May 2, 2013 7:01 PM
Message:

I am looking to buy a small house with an older furnace in the crawl space. It is functioning, but will need to be replaced sometime soon. Problem is that the only access to the crawl space that i can find is a very small 24"x16" closet floor access. How would a new furncae even get down there? --98.30.xxx.xxx





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