How Efficient is Your Home?
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- čas přidán 6. 02. 2023
- We tested 3 homes and compared natural gas used over a 6 month period in order to heat these homes in a cold Canadian winter. Of the 3 homes tested, one is an ICF home (Insulated Concrete Forms) that is built with ICF from the basement to the roof. The other home is a new build, conventionally constructed using methods and materials you would see in most homes built today. Concrete foundation, 2x6 frost wall and 2x6 for the rest of the house. The 3rd home is from the 1970's, concrete basement and 2x4 walls. The test is simple, how much did each house use in natural gas over a 6 month period (in the winter)? Take the amount of GJ (gigajoules) used and determine how many GJ used PER cubic foot of heated space for each individual house. And to make sure we were comparing apples to apples, Kody then took the GJ/cu ft and multiplied it so that the graphs and data used were based on if the homes were ALL the exact same size. Now it's easy to see how energy efficient 3 different homes are and how they compare to each other.
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Great vid, Kody. Thx for gettin info out there so people can *see* the comparisons in efficiency, & not just make guesses.
Exactly! Thank you for saying that
Great as allways.
Much appreciated
Long time watcher of your video's. I built a ICF (Foxblocks)1500 sq' house full basement in Kelowna in 2017-19. All electric and ground source heat pump with a 7 kwh PV system. I used 4589 kWh of power in 2022 Jan-Dec and also was charging our Tesla which we bought in Sept 22. My only utility bill for last year was $575.17 Fortis Power. Going to add more panels this year to get to net zero with Tesla charging.
Fantastic feedback! Thanks for tuning in and also commenting.
very informative 👍👍
Thanks for watching
Thanks for making a video about this. I live in no and wonder what the law is for ICF house building
It should be no issue to build with ICF in New Jersey. The system has been out for probably 40 years and the code books keep updating to accommodate systems like this.
In our area the only restriction is you can’t occupy a building and have the foam uncovered.
Otherwise it’s a concrete structure. Can’t beat it !!
New jersey
Thanks for the video. How thick is the concrete in the ICF walls?
You’re welcome. 6” concrete. Standard R-24 wall.
I think conventional builds should have been compared little differently .I would assume the ones you compared to the ICF weren’t framed with Zip sheathing ,zip taped ,plus some closed cell sprayed inside the wall cavities ,topped off with blown in insulation ,not mentioning outside insulation as an option as well . That would be a far comparison , but of course ICF is more efficient.
That would be a good video on its own. I guess what I’m trying to get across is all the home builders (at least in my area) can’t build anything beyond a very old and basic envelope. So this test shows the difference to what is most common.
That would be a good video on its own. I guess what I’m trying to get across is all the home builders (at least in my area) can’t build anything beyond a very old and basic envelope. So this test shows the difference to what is most common.
@@uptokode ICF would still outperform any conventional build considering its strength no doubt . I just thought it would be a more fair comparison considering the costs and its performance. Zip R system for instance , closed cell and blown in don’t come cheap . I would be curious and sure others , to see how does a high performance zip system wall compared to the costs of an ICF wall .
I would be interested as well. If I have the opportunity I will price it.
Theres A LOT involved in these numbers that you're not discussing. Air sealing, HVAC design, floor plan, tree shade/wind/weather during the testing, sq footage, window and door types, roof system...
This is a pretty superficial and subsequently meaningless vid.
I’ve done detailed videos on other tests we have done. It’s hard to hold the audiences attention while trying to explain the parameters of the test.