AzScorpion
Moderator
- First Name
- Dave
- Joined
- Jul 25, 2019
- Threads
- 335
- Messages
- 26,221
- Reaction score
- 132,007
- Location
- Back Home In AZ!
- Vehicle(s)
- 2023 Ford Ranger Tremor
- Occupation
- Retired...Full Time Slacker
Wow, great job and nice house!I just built a house in Tucson with a mini split, heat pump water heater, spray foam on the underside of the roof, R23 BIBS insulation in the walls. It's all electric and our June bill was $83 , July was $81. We payed close attention to air sealing with ZIP flashing on all the windows and penetrations. We have a lot of glazing. The power was out for more than a day a couple of weeks ago and the interior temp only went up 3 degrees.![]()

It's nice to see all those things worked out making your house super efficient. It's really impressive the temps only went up 3 degrees when the power went out. I'm also doing the Zip System on the walls and contemplating doing it on the roof, I most likely will though seeing as I'm going this far. I'd love to do mini splits throughout the house but that's way over my budget. I'm trying to make it really efficient but also trying to not go to overboard which is easy to do when you go down this rabbit hole building an air tight house.
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