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Old 12-18-2012, 05:49 PM   #31
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My unit is a dinosaur


The most you get out of any properly working electric element is 4500-5000 watts which is no different than (3) 1500 watt oil filled radiator heaters from HDepot. That is an add on heater and obsolete and probably unsafe to use IMO. I have seen lots of electric elements short out/arc and have had electric furnaces catch on fire. Usually the wire melts and burns up B4 the main 100 amp or larger fuses or breaker trips. Can do considerable smoke damage to your house. I would get some of those heaters as they are quiet, cheap and will do the job 4 U.

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Old 12-18-2012, 07:52 PM   #32
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My unit is a dinosaur


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Originally Posted by yuri View Post
The most you get out of any properly working electric element is 4500-5000 watts which is no different than (3) 1500 watt oil filled radiator heaters from HDepot. That is an add on heater and obsolete and probably unsafe to use IMO. I have seen lots of electric elements short out/arc and have had electric furnaces catch on fire. Usually the wire melts and burns up B4 the main 100 amp or larger fuses or breaker trips. Can do considerable smoke damage to your house. I would get some of those heaters as they are quiet, cheap and will do the job 4 U.
I have a feeling even if the heat worked properly, that they have bigger issues than just the unit.
There are a few of those ground mounted over/under setups around here and what makes the whole thing worse is the return runs under the slab and is severely restricted and the supply running up the inside of the wall is only about 8 inches deep. I removed one from a house a few years back because it never cooled or heated the home and installed a new side by side unit on the roof and cut in a proper sized ceiling return, it was like night and day.

Last edited by sammy37; 12-18-2012 at 07:57 PM.
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Old 12-19-2012, 07:55 AM   #33
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My unit is a dinosaur


Thats good you are telling her that. Modern units with direct drive blowers won't handle that undersized ductwork very well and the old belt drive would just groan but not have the same problems. Sounds like your roof unit is the best option.

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