Is SPAN Panel the Wrong Choice for All-Electric Homes?
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- Опубликовано: 3 июл 2024
- The SPAN IO Smart Electric Service Panel is a really neat approach to solving some electrical service load issues. But there are several drawbacks that make it the wrong choice in many situations. Especially all-electric homes.
Intro: 00:04
How SPAN Panel Works: 00:49
Where SPAN Panel Makes Sense: 04:54
Where SPAN Panel Falls Flat: 05:34
Running Some Numbers: 06:59
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I’m building my own home as owner builder and have the same issue. Nothing including batteries and their corresponding ATS can handle the 400a service
I need to do an update on this post (www.missingremote.com/blog/2023/10/passive-house-electrical-system-design-beta) to explain our new system design, but this explains the fundamentals of our design. The newer version has an additional 15K and battery. The loads I want to shed on the "Smart Loads" sub panel from the 3x 15Ks. Right now, that's just EV charging. We should have plenty of inverter and battery to manage the other loads for multi-day outages.
I heard they just released the SPAN Panel 48 in Mar 2024 but it wont ship till Q4. I think I want to get it and I dont think we are going to have any issues with the 200A load.
Are you retrofitting or new build?
@@MissingRemote Retrofitting. We have a new HVAC system/heat pump going in tomorrow and two tesla's. We have solar and Tesla two powerwalls.
@@macmovieman1 If you don't mind, LMK how it turns out for you if you opt for a SPAN panel.
@@MissingRemote i’d be happy to update you and I’m definitely holding off for the 48 because I currently have a 32 panel and I’ve had to move six additional into a sub panel and I’d prefer to have it all in one panel and it will give me some room to grow.
Im also looking at building a passive house, though probably not certified, and I’m surprised you need 400 amps. With the much smaller heating/cooling loads, and assuming really energy efficient appliances, I would thought 200 amps would be sufficient, even for an all electric house. Just starting to research, though.
It's certainly possible to build a highly efficient home on 200A (SPAN could make that easier), but in general EVERYTHING in a passive house is electric. It's easy to see how you get past 200A when you add up the induction cooktop that has a 50A circuit, have a couple 30A heat pumps, 40A for the oven, 30A for the ASHP water heater, a 48A EVSE, etc. Our numbers are harder because we're building an ADU (apartment above the garage) that will have its own ASHP, water heater, range, etc.
Invaluable insight A lister youtuber
Its not worth it. Specially, when the Federal Government is giving you a tax credit.