Forum: Conservation
07-04-23, 06:11 PM
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Replies: 1
Views: 50,401
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Forum: Appliances & Gadgets
08-21-22, 03:44 PM
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Replies: 0
Views: 46,606
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Forum: Appliances & Gadgets
07-31-22, 11:57 AM
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Replies: 2
Views: 63,804
Those little sealed lead acid batteries usually...
Those little sealed lead acid batteries usually don't last long even in the best of conditions, they're built to be cheap. Not to mention largely obsolete when lithium batteries are cheaper nowadays....
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Forum: Geothermal & Heat Pumps
06-17-22, 10:00 PM
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Replies: 4
Views: 45,828
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Forum: Solar Power
10-24-21, 07:41 PM
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Replies: 2
Views: 18,152
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Forum: Geothermal & Heat Pumps
07-30-21, 09:29 PM
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Replies: 5
Views: 11,142
Is the water heater (presumably natural gas) in...
Is the water heater (presumably natural gas) in the garage? Might want to consider connecting a radiator (designed to withstand the water pressure) and circulating pump to it as a hot water fed space...
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Forum: Tools
05-06-21, 12:18 AM
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Replies: 5
Views: 16,615
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Forum: EcoRenovator Blog Discussion
03-31-21, 01:11 AM
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Replies: 13
Views: 93,952
Perhaps more investment in automated load...
Perhaps more investment in automated load management is the answer? The technology to make it happen (for example, Raspberry Pi or ESP32) is dirt cheap. Likewise, thermal storage for HVAC is also...
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Forum: Appliances & Gadgets
08-10-20, 10:19 PM
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Replies: 10
Views: 37,457
Definitely time for a better soldering iron....
Definitely time for a better soldering iron. Something like the TS-100 will handle 12AWG wires with ease. It uses integrated heater cartridges with better coupling than the older irons that merely...
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Forum: Conservation
07-19-20, 11:43 AM
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Replies: 33
Views: 99,024
You use the contactor (a very heavy duty relay)...
You use the contactor (a very heavy duty relay) to switch the water heater, then you use a smart plug to switch the contactor. Not having an outlet nearby makes things slightly more complex, really...
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Forum: Conservation
07-13-20, 09:04 AM
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Replies: 33
Views: 99,024
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Forum: Geothermal & Heat Pumps
06-24-20, 09:49 AM
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Replies: 20
Views: 35,420
Go with good quality (e.g. Kester) 63/37 leaded...
Go with good quality (e.g. Kester) 63/37 leaded solder. Lead free is harder to work with so I do not recommend it for a beginner. For the iron, go for the TS100 if you want one that's portable or a...
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Forum: Geothermal & Heat Pumps
06-01-20, 12:02 AM
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Replies: 4
Views: 12,851
Interesting new take on a window A/C
https://www.youtube.com/watch?v=f2NmgOvIv2M
About the only features that seem to be missing are heat pump operation and infrared tracking to automatically direct airflow where needed.
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Forum: Solar Power
04-20-20, 09:54 AM
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Replies: 26
Views: 85,469
I got a lot more parts for the inverter (the...
I got a lot more parts for the inverter (the inverter module itself, capacitor bank, inductor cores, various control circuit parts) and I'm working on it. It will be a long project for sure, one with...
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Forum: Appliances & Gadgets
01-25-20, 11:29 PM
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Replies: 3
Views: 11,971
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Forum: Appliances & Gadgets
12-27-19, 06:41 PM
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Replies: 6
Views: 14,906
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Forum: Solar Power
12-04-19, 10:23 PM
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Replies: 26
Views: 85,469
No, the inverter works by sourcing a current to...
No, the inverter works by sourcing a current to offset the load current, more like "blending" than "switching". For example, if the load is drawing 10A, the inverter will supply 10A to offset it. (In...
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Forum: Solar Power
12-03-19, 11:39 PM
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Replies: 26
Views: 85,469
PV inverter from Prius inverter
I'm looking to build a bigger solar power system, with thermal storage. Since going full grid tie is a bit involved, I'm planning to make it "zero export" with limited battery storage instead....
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Forum: Tools
11-27-19, 07:59 PM
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Replies: 6
Views: 13,331
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Forum: Energy Storage
08-24-19, 02:33 PM
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Replies: 39
Views: 66,417
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Forum: Energy Storage
08-22-19, 08:35 PM
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Replies: 39
Views: 66,417
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Forum: Other Improvements
08-22-19, 08:32 PM
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Replies: 5
Views: 18,814
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Forum: Energy Storage
08-04-19, 08:43 PM
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Replies: 39
Views: 66,417
Just build a dual comparator circuit with one...
Just build a dual comparator circuit with one output to trigger around 3.15V and another around 3.45V. That will give an easy indication of low and high charge. If you want more accuracy, you'll have...
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Forum: Energy Storage
08-02-19, 08:33 PM
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Replies: 39
Views: 66,417
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Forum: Energy Storage
08-01-19, 01:03 AM
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Replies: 39
Views: 66,417
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