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Search: Posts Made By: NiHaoMike
Forum: Forum News & Feedback 09-13-22, 11:59 PM
Replies: 5
Views: 3,453
Posted By NiHaoMike
There would also be thermal storage for HVAC and...

There would also be thermal storage for HVAC and hot water.
Forum: Appliances & Gadgets 08-21-22, 03:44 PM
Replies: 0
Views: 436
Posted By NiHaoMike
DIY water usage tracker

https://www.youtube.com/watch?v=BNK92ep8DhY
Forum: Appliances & Gadgets 08-17-22, 09:23 AM
Replies: 18
Views: 1,426
Posted By NiHaoMike
Adding the second breaker in a box makes the...

Adding the second breaker in a box makes the original circuit into a feeder for the new breaker box which would be a subpanel. And then you have dedicated circuits from the subpanel going to the...
Forum: Appliances & Gadgets 08-16-22, 12:29 AM
Replies: 18
Views: 1,426
Posted By NiHaoMike
Two use cases I can think of are if there is no...

Two use cases I can think of are if there is no spare capacity left to add another breaker or if the panel is quite a distance from the garage but there's an existing circuit that could be tapped.
...
Forum: Appliances & Gadgets 08-15-22, 12:06 AM
Replies: 18
Views: 1,426
Posted By NiHaoMike
Hence the addition of the switch to automatically...

Hence the addition of the switch to automatically turn off the other load if the EV charger is supplying power.
Forum: Appliances & Gadgets 08-13-22, 09:14 PM
Replies: 18
Views: 1,426
Posted By NiHaoMike
If the concern is overloading the circuit, the...

If the concern is overloading the circuit, the automated switch would prevent that by only allowing the original load or EV charging to operate, not both at once.
Forum: Appliances & Gadgets 08-13-22, 01:02 PM
Replies: 18
Views: 1,426
Posted By NiHaoMike
Wouldn't it be easier to tap into an existing...

Wouldn't it be easier to tap into an existing 240V circuit? Would just need to add an extra breaker (e.g. a DIN rail type in an enclosure) for adding solar or an automated switch to disconnect the...
Forum: Appliances & Gadgets 07-31-22, 11:57 AM
Replies: 2
Views: 558
Posted By NiHaoMike
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....
Forum: Renovations & New Construction 07-08-22, 11:30 PM
Replies: 7
Views: 1,655
Posted By NiHaoMike
City water contains chlorine (nowadays in the...

City water contains chlorine (nowadays in the form of chloramine, more effective than chlorine gas) to prevent that problem.
Forum: Geothermal & Heat Pumps 06-17-22, 10:00 PM
Replies: 4
Views: 963
Posted By NiHaoMike
Sounds like the most economical option would be...

Sounds like the most economical option would be to open two windows at night and set a fan in one to take advantage of nighttime cooling. Even in a much hotter climate like Texas, it's enough to...
Forum: Geothermal & Heat Pumps 02-27-22, 09:03 AM
Replies: 5
Views: 1,233
Posted By NiHaoMike
You can look into modifying a cheap window A/C...

You can look into modifying a cheap window A/C into a thermal recovery unit. Basically, the hot air from the condenser goes to the evaporative cooler before going into the space and then the air from...
Forum: Geothermal & Heat Pumps 02-26-22, 03:29 PM
Replies: 5
Views: 1,233
Posted By NiHaoMike
An evaporative cooler would likely be sufficient...

An evaporative cooler would likely be sufficient for cooling.
Forum: Other Improvements 02-25-22, 09:50 PM
Replies: 2
Views: 1,311
Posted By NiHaoMike
Might it make more sense to fit a PoE adapter in...

Might it make more sense to fit a PoE adapter in the box and power it from the same backup power source that supplies the rest of the critical equipment in the network? (That's what I did for the...
Forum: Geothermal & Heat Pumps 02-21-22, 09:43 PM
Replies: 3
Views: 1,233
Posted By NiHaoMike
R22 has been out of production for many years and...

R22 has been out of production for many years and is really expensive now. There are a number of different (near) "drop in" replacements such as R433b although I'm not sure what's most popular now....
Forum: Geothermal & Heat Pumps 02-11-22, 10:14 PM
Replies: 5
Views: 1,926
Posted By NiHaoMike
Perhaps look at the Openinverter project? They...

Perhaps look at the Openinverter project? They specialize in reverse engineering BLDC motors out of EVs, it should be pretty easy to adapt to BLDC compressor motors.
Forum: Geothermal & Heat Pumps 01-01-22, 08:57 PM
Replies: 5
Views: 1,511
Posted By NiHaoMike
Perhaps the humidity sensor is bad?

Perhaps the humidity sensor is bad?
Forum: Solar Power 11-18-21, 09:03 PM
Replies: 4
Views: 2,224
Posted By NiHaoMike
Some MPP inverters can supply backup power during...

Some MPP inverters can supply backup power during the day using only PV connected to the PV DC input. No batteries needed!
https://www.youtube.com/watch?v=n9KCl8SAh5Y
The only other major brand I'm...
Forum: Conservation 11-10-21, 09:15 PM
Replies: 22
Views: 4,214
Posted By NiHaoMike
Consider getting a small diesel generator and...

Consider getting a small diesel generator and replacing the oil burner with the engine exhaust.
Forum: Solar Power 10-24-21, 07:41 PM
Replies: 2
Views: 1,809
Posted By NiHaoMike
Add a SSR to switch the water heater, then use an...

Add a SSR to switch the water heater, then use an Arduino to control it based on the water temperature and battery voltage.
Forum: Forum News & Feedback 10-04-21, 01:16 AM
Replies: 5
Views: 3,453
Posted By NiHaoMike
Perhaps just rename the "Solar Power" section to...

Perhaps just rename the "Solar Power" section to something like "Solar Power and Energy Storage"?
Forum: Geothermal & Heat Pumps 10-02-21, 06:45 PM
Replies: 8
Views: 1,777
Posted By NiHaoMike
R433b is pretty close to a drop in replacement,...

R433b is pretty close to a drop in replacement, it will require tweaking the TXV to perform its best so make sure the TXV is adjustable first.
Forum: Geothermal & Heat Pumps 07-30-21, 09:29 PM
Replies: 5
Views: 1,941
Posted By NiHaoMike
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...
Forum: Solar Power 05-16-21, 08:30 PM
Replies: 26
Views: 17,350
Posted By NiHaoMike
Mostly completed the wireless sensor, what's left...

Mostly completed the wireless sensor, what's left is to validate that all of the features work properly and then conformal coat for installing into an outdoor breaker box.
Forum: Tools 05-06-21, 12:18 AM
Replies: 5
Views: 2,830
Posted By NiHaoMike
Arduino + thermocouple ADC board.

Arduino + thermocouple ADC board.
Forum: Appliances & Gadgets 04-09-21, 10:28 PM
Replies: 8
Views: 6,781
Posted By NiHaoMike
Just convert a server power supply into a...

Just convert a server power supply into a charger, now you'll be able to use a substantial percentage of the generator capacity.
Showing results 1 to 25 of 500

 
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