Old house, installing new furnace (LP) Help!


Old 08-11-04, 09:28 AM
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Old house, installing new furnace (LP) Help!

My house is a 1200sq ft, 2 story built in the 40's. Simple rectangle design on a crawl and a small area to stand(currently holds water heaters and water tank). Original heat source has been a propane fed space heater. worked fine and really did heat the whole house. now there is a little one in our life and the space heater had to go due to safety. My question is, if i were to heat only the lower level with 6 runs, can i asume the upper level will heat as it did before? and, cold air return placement? does it need to go upstairs, or can I put it up high on the lower level? Planning on a high eff. propane furnace. what size? dont know yet. have had home depot rep out and quoted me $11,000.00 for entire system. yes, eleven thousand dollars. i'm thinking more along the lines of under 2.5k doing it myself. any pointers are appreciated. thanks
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Old 08-11-04, 10:38 AM
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That's alot of work and if not done right can be dangerous. I'd get a few quotes from independent dealers. HD subs the work out and it gets marked up so that they can make a buck off of it. Have them do a load calculation also.
Old 08-11-04, 04:46 PM
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first mistake was calling home depot

get some quotes from independant contractors

please do not do this yourself, too many variables that could trip you up
Old 08-13-04, 07:06 AM
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Thanks for the replies guys. you just bought me some free time with my new girl, but cost me some bucks. Time and safety is more important. I have had a few people in that do hvac work and have told me how many runs i would need and where they should go. is that something i can do myself as this is the most labor intensive and costly part. or could i potentialy mess up air flow if runs arn't layed out right? I'm thinking flex ductwork, as i have limited crawl space with big beams in the way, and let the pros do the main run and furnace/vent installation. any advice, or should i leave the whole job to the experts? i've done everything else to the house, just no experience with hvac.
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