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Search: Posts Made By: u3b3rg33k
Forum: Conservation 03-11-22, 12:12 AM
Replies: 22
Views: 3,215
Posted By u3b3rg33k
Nyle is releasing the E8 this year, based on what...

Nyle is releasing the E8 this year, based on what I've heard. I'm hoping to hold out on a new waterheater until I see pricing for that. it's got 2x the capacity of all the integrated units.
Forum: Solar Power 11-14-21, 06:30 PM
Replies: 4
Views: 1,611
Posted By u3b3rg33k
The tesla powerwall does this - it will act as...

The tesla powerwall does this - it will act as "the grid" to a regular microinverter/string inverter system.

a bunch of "how" it does that is discern-able here:...
Forum: Geothermal & Heat Pumps 06-01-21, 03:21 PM
Replies: 3
Views: 1,864
Posted By u3b3rg33k
moisture in the system will be evident when you...

moisture in the system will be evident when you try to pull and hold a vacuum as well. if you can pull it down the first time and it holds then it was pretty dry.
Forum: Solar Heating 01-06-21, 02:49 AM
Replies: 6
Views: 3,244
Posted By u3b3rg33k
PEX wouldn't work so great, copper would be fine....

PEX wouldn't work so great, copper would be fine. plenty of old oil fired systems used those without issue (well, until they caked up with minerals). it's all about rate of heat transfer.
Forum: Conservation 09-22-19, 11:27 PM
Replies: 95
Views: 40,561
Posted By u3b3rg33k
now hear this: Daimler Ends Gas Engine...

now hear this: Daimler Ends Gas Engine Development: Full Focus On Electric Cars
https://insideevs.com/news/371793/daimler-no-gas-engine-electric-only/

Remember, it's just a fad tho.
Forum: Energy Storage 09-10-19, 10:25 AM
Replies: 4
Views: 4,630
Posted By u3b3rg33k
"edison batteries" are Nickel-Iron. my...

"edison batteries" are Nickel-Iron.

my understanding is that they're extremely durable, but low energy density and high self discharge. to get a battery bank big enough to be useful (start up...
Forum: Conservation 09-05-18, 10:35 PM
Replies: 35
Views: 22,296
Posted By u3b3rg33k
a 300W blower motor that contributes its waste...

a 300W blower motor that contributes its waste heat as strip heat shouldn't hurt COP much. either way those must be some really poor heat pumps. I know people much further north than TX that are in...
Forum: Solar Heating 08-05-18, 03:09 AM
Replies: 8
Views: 5,399
Posted By u3b3rg33k
if you want to use PV solar to heat water, why...

if you want to use PV solar to heat water, why not a heat pump water heater? 1500W worth of heat on only 500W worth of solar.
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