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Old 10-30-2018, 12:48 PM   #13 (permalink)
Master EcoModder
Join Date: May 2009
Location: PDX
Posts: 849

Adventure Seeker - '04 Chevy Astro - Campervan
90 day: 17.3 mpg (US)

Dieselgate - '14 VW Jetta Sportwagen TDI
90 day: 38.24 mpg (US)
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If it is R-401A it is at least 13 SEER / 7.7 HSPF. 2 Megawatts per month seems like a huge amount of electricity for a relatively modern unit. Have you checked your ductwork? That can be a huge source of leaks. When I went under my house with the home inspector for a prepurchase inspection we found 2 out of 6 vents completely disconnected. The tape had aged and cracked.
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