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10-13-2012, 08:17 AM #1Regular Guest
- Join Date
- Sep 2011
- Nj and Delaware
Goodman HP with Propane or Electric Aux heat?
I am getting ready to have a Goodman 18 SEER 2 stage heatpump installed in a home in Southern Delaware model DSCZ180361A. Cooling load is 26,000 BTUH and heating is 34,000 BTUH. Zip code is 19975. Balance point should be around 30*
The question I have is about the backup/aux heat. There are 2 choices: Metered Propane ( this is in a planned community ) or electric. The cost/btu between propane with a 95% furnace and electric is very close, propane is $2.70/gal and electric is $0.11/KWH. with propane having a slight edge
Looking at the Bryant Operating cost estimator for a similar system, they calculate that the propane system will cost about $200/year more to operate than the total electric system. Based on propane costs and electric costs, I would have expected the reverse.
What am I missing?