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Search: Posts Made By: Semipro
Forum: Renovations & New Construction 01-11-20, 09:26 PM
Replies: 1
Views: 3,879
Posted By Semipro
Check out these guys. They've been using...

Check out these guys.
They've been using showu sugi ban on their off-grid house. Its intriguing.
https://www.youtube.com/channel/UCX49PVlb4bpvee5mZe1LIyA
Forum: Appliances & Gadgets 03-08-19, 11:41 PM
Replies: 17
Views: 4,751
Posted By Semipro
These numbers seem to refer to gas water heaters...

These numbers seem to refer to gas water heaters where it would make sense that heat transfer rates would result in more waste up the flue. Not so with an electric resistance heater. Although an...
Forum: Appliances & Gadgets 03-15-18, 07:02 AM
Replies: 17
Views: 4,751
Posted By Semipro
Heating time is a measure of performance (e.g....

Heating time is a measure of performance (e.g. capability) not efficiency. I'd argue here that efficiency is energy in/versus energy out to accomplish a task....
Forum: Geothermal & Heat Pumps 03-03-18, 08:03 AM
Replies: 22
Views: 5,427
Posted By Semipro
So you're planning basically to replace the...

So you're planning basically to replace the electric heating elements with the the AC condenser?
Forum: Appliances & Gadgets 02-14-18, 07:05 PM
Replies: 17
Views: 4,751
Posted By Semipro
Agreed on the decrease in efficiency of a gas...

Agreed on the decrease in efficiency of a gas heater - more heat up the stack. I can tell you from experience that electrical resistance heaters make a lot of noise too when elements get coated with...
Forum: Appliances & Gadgets 02-13-18, 08:00 AM
Replies: 17
Views: 4,751
Posted By Semipro
If it takes longer to heat then it's only because...

If it takes longer to heat then it's only because less energy is entering the system,(i.e., electrical wattage), right. The element gets too hot, the resistance increases, the wattage goes down. ...
Forum: Appliances & Gadgets 02-12-18, 07:42 PM
Replies: 17
Views: 4,751
Posted By Semipro
Scale decreases electric water heater efficiency?

I worked on my electrical resistance hot water heater last weekend in a constant battle with hard water. As I inspected the mineral-crusted heating element I recalled that its widely held that scale...
Forum: Other Improvements 02-04-18, 08:48 AM
Replies: 12
Views: 3,907
Posted By Semipro
You could rent a large compressor and blow out...

You could rent a large compressor and blow out the well from the bottom. This is sometimes done by drillers as "well development".
More here: Section 10: Well Development...
Forum: Product Reviews 01-26-18, 09:04 PM
Replies: 4
Views: 3,581
Posted By Semipro
Flush (flapper) valve leaks can be quickly...

Flush (flapper) valve leaks can be quickly identified by putting some food coloring in the tank water and then watching the bowl water to see if it appears there.
Forum: Lighting 01-26-18, 08:58 PM
Replies: 16
Views: 4,956
Posted By Semipro
I saw the bulbs referenced by the OP at our local...

I saw the bulbs referenced by the OP at our local Lowes but they also said "Electronic Ballast Only" so I passed.
I purchased some of the Toggled Brand at HD that require bypassing the ballast and...
Forum: Conservation 06-02-16, 08:53 PM
Replies: 31
Views: 8,943
Posted By Semipro
We generally use the condensing dryer for smaller...

We generally use the condensing dryer for smaller stuff and dry large stuff on a line outside or in the basement. The basement line hangs in a room with a heat pump water heater so clothes dry very...
Forum: Conservation 04-28-16, 11:55 AM
Replies: 31
Views: 8,943
Posted By Semipro
See below. I used some gutter filter material...

See below.
I used some gutter filter material I had around.
Forum: Conservation 01-01-16, 08:16 PM
Replies: 9
Views: 2,622
Posted By Semipro
A good related post on another site I frequent. ...

A good related post on another site I frequent.
Thermal Imaging to Help be Green | Hearth.com Forums Home (http://www.hearth.com/talk/threads/thermal-imaging-to-help-be-green.149934/)
Forum: Conservation 12-09-15, 10:20 AM
Replies: 31
Views: 8,943
Posted By Semipro
Further feedback on my original post. The...

Further feedback on my original post.
The Bosch dryer suffers from a poor lint filter resulting in lint making its way into the heat exchanger and the dryer internals including the condensation...
Forum: Geothermal & Heat Pumps 04-04-15, 08:11 AM
Replies: 13
Views: 6,767
Posted By Semipro
Yes, scuba tanks operate at 2000 to 3000 PSI but...

Yes, scuba tanks operate at 2000 to 3000 PSI but are also built with stronger, thicker materials to handle those pressures. Freon tanks are built with much thinner and probably lower grade materials...
Forum: Geothermal & Heat Pumps 03-31-15, 07:33 AM
Replies: 13
Views: 6,767
Posted By Semipro
The tank was immersed in a cold bath (just cold...

The tank was immersed in a cold bath (just cold water) for two reasons:
1. To help keep pressures low in the tank for recovery
2. As a safety measure. Water absorbs energy should the tank...
Forum: Geothermal & Heat Pumps 03-13-15, 08:40 PM
Replies: 13
Views: 6,767
Posted By Semipro
See post 3. The setup described was used for...

See post 3.
The setup described was used for recovery only.
A vacuum pump was subsequently used for evacuation.
Forum: Conservation 03-07-15, 10:59 AM
Replies: 31
Views: 8,943
Posted By Semipro
Does your LG have a (condensation) water...

Does your LG have a (condensation) water collection tray that must be emptied manually?
Forum: Geothermal & Heat Pumps 03-07-15, 10:55 AM
Replies: 13
Views: 6,767
Posted By Semipro
I wondered this too. If I was to do it myself I...

I wondered this too. If I was to do it myself I would give it a try without crimping the expansion line. This would effectively render the window unit unmodified other than the service ports.
Forum: Conservation 02-07-15, 07:54 AM
Replies: 31
Views: 8,943
Posted By Semipro
I thought the idea of using lower temp, and dryer...

I thought the idea of using lower temp, and dryer air, resulted in less damage to clothes was interesting too.
I like that it had two lint filters also. Effective lint filtering is no small task...
Forum: Conservation 02-06-15, 01:37 PM
Replies: 31
Views: 8,943
Posted By Semipro
I revised post to to include a different link...

I revised post to to include a different link that seems to work.
Forum: Conservation 02-06-15, 08:51 AM
Replies: 31
Views: 8,943
Posted By Semipro
As a follow up: there are new Whirlpool and LG...

As a follow up:
there are new Whirlpool and LG heat pump clothes dryers available in the US. A review of the Whirlpool unit is featured on greenbuildingadvisor here: ...
Forum: Geothermal & Heat Pumps 01-30-15, 01:34 PM
Replies: 12
Views: 4,098
Posted By Semipro
Ducting the cool dry air into the house would...

Ducting the cool dry air into the house would reduce your AC load.
I don't know the cost of the Geospring duct.
Noise is an issue too if you decide to duct to the house interior.
Forum: Geothermal & Heat Pumps 01-30-15, 01:24 PM
Replies: 12
Views: 4,098
Posted By Semipro
You could mount it in the garage and vent the...

You could mount it in the garage and vent the output to the house.
Of course, if you actually park vehicles there or store potentially dangerous chemicals you won't want to do this. Maybe you...
Forum: Geothermal & Heat Pumps 01-28-15, 09:29 PM
Replies: 2
Views: 3,941
Posted By Semipro
Very cool. Too bad I have the old "blue top"...

Very cool. Too bad I have the old "blue top" chinese made GeoSpring. I'm having to fabricate my own ducting.
Showing results 1 to 25 of 36

 
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