MTL_Inspet_Man Posted March 6, 2009 Report Share Posted March 6, 2009 Did an inspection today 2000 sq. ft. home Electric furnace ICG 1982 18Kw on 125 amp breaker Furnace Rated 100Amp What is the conversion for Kw to Btu? So I can determine Btu output and find that furnace is or no sufficiently sized thx Link to comment Share on other sites More sharing options...
Jim Katen Posted March 6, 2009 Report Share Posted March 6, 2009 Did an inspection today 2000 sq. ft. home Electric furnace ICG 1982 18Kw on 125 amp breaker Furnace Rated 100Amp What is the conversion for Kw to Btu? So I can determine Btu output and find that furnace is or no sufficiently sized thx Figure 3412 BTU/hr is about the same as 1 Kw/hr. Electric furnaces down here in the states usually come in 5kw increments. I've never heard of an 18kw furnace. - Jim Katen, Oregon Link to comment Share on other sites More sharing options...
MTL_Inspet_Man Posted March 6, 2009 Author Report Share Posted March 6, 2009 thx jim Link to comment Share on other sites More sharing options...
RSpermo Posted March 7, 2009 Report Share Posted March 7, 2009 Do you just use BTUs to determine if the furnace is sized correctly? Is there any consideration given to ceiling and wall insulation and to window U-factors and SHG? Do you do a blower door and duct blaster to check the leakage? I do not think using BTUs alone will give use an accurate answer. Use Manual J to properly size a ubit. Link to comment Share on other sites More sharing options...
MTL_Inspet_Man Posted March 7, 2009 Author Report Share Posted March 7, 2009 just trying to figure out the Kw to BTU conversion what is manual J? Keep in mind I am in Canada thx Link to comment Share on other sites More sharing options...
msteger Posted March 9, 2009 Report Share Posted March 9, 2009 Manual J is the document that HVAC contractors use for sizing heating and cooling systems. There are several factors in deciding upon what BTU rating system to install in a particular home. Just curious.. is Manual J available for download? Link to comment Share on other sites More sharing options...
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