Forum: Geothermal & Heat Pumps
11-04-15, 02:50 PM
|
Replies: 15
Views: 13,773
|
Forum: Solar Power
10-12-15, 10:26 AM
|
Replies: 745
Views: 690,000
I'm sure you know your tax situation well, but...
I'm sure you know your tax situation well, but being retired does not necessarily mean no tax liability. Even SS is taxed above a threshold amount.
I'm in your situation. No tax liability to take...
|
Forum: Solar Power
10-12-15, 09:58 AM
|
Replies: 745
Views: 690,000
Hi,
How did you figure your payback ? My...
Hi,
How did you figure your payback ? My arithmetic says faster but I may be off in my assumptions how much the panels are generating.
Addendum: Second thought -- it makes sense at 1.6...
|
Forum: Solar Power
10-12-15, 09:48 AM
|
Replies: 7
Views: 5,922
|
Forum: Solar Power
10-12-15, 09:45 AM
|
Replies: 745
Views: 690,000
|
Forum: Geothermal & Heat Pumps
10-06-15, 04:54 PM
|
Replies: 21
Views: 20,486
I've wondered more than a few times why drain...
I've wondered more than a few times why drain water heat recovery units are not built with a pump for installation in one story homes. Seems like activation could be either manual or by water weight....
|
Forum: Geothermal & Heat Pumps
10-06-15, 04:51 PM
|
Replies: 21
Views: 20,486
I've wondered more than a few times why drain...
I've wondered more than a few times why drain water heat recovery units are not built with a pump for installation in one story homes. Seems like activation could be either manual or by water weight....
|
Forum: Geothermal & Heat Pumps
10-06-15, 02:31 PM
|
Replies: 21
Views: 20,486
The efficiency of Air pumps are temperature...
The efficiency of Air pumps are temperature related, and in turn dependent on the refrigerant used -- particularly in cold climates.
I don't know anything about the Steibel, but people living in 4...
|
Forum: Renovations & New Construction
04-10-14, 07:47 PM
|
Replies: 10
Views: 10,654
Matching a window to the local climate and use...
Matching a window to the local climate and use makes for a *much* happier and valuable purchase.
It sounds like OP will not have a lot of sunshine to capture through the winter, but lives in a...
|
Forum: Conservation
08-10-13, 04:02 AM
|
Replies: 35
Views: 52,946
|
Forum: Lighting
08-10-13, 01:25 AM
|
Replies: 21
Views: 29,778
|
Forum: Lighting
08-09-13, 07:23 AM
|
Replies: 21
Views: 29,778
Where2
I'm not sure I would ever want that...
Where2
I'm not sure I would ever want that much light from one fixture, but I sure appreciate the retrofit. I'd like to see a schematic of the wiring; it will help me learn to be a...
|
Forum: Conservation
08-09-13, 04:55 AM
|
Replies: 35
Views: 52,946
We do not have AC or a swamp cooler.
Cooling...
We do not have AC or a swamp cooler.
Cooling is by night ventilation that is sometimes aided by a fan, and daytime shading. The large southern facing windows have external shades, while the east...
|
Forum: Solar Power
07-23-13, 04:10 PM
|
Replies: 745
Views: 690,000
NIIICE!
I'm amazed at your total...
NIIICE!
I'm amazed at your total (pre-subsidy) cost. Would you mind breaking down to:
Panels
Inverter
Other electricity stuff
Connector between the roof and the panel ?
|
Forum: Solar Heating
07-18-13, 11:35 PM
|
Replies: 70
Views: 73,167
|
Forum: Appliances & Gadgets
07-17-13, 04:09 PM
|
Replies: 81
Views: 83,114
|
Forum: Appliances & Gadgets
07-17-13, 02:12 PM
|
Replies: 81
Views: 83,114
Brilliant thread.
I came to similar...
Brilliant thread.
I came to similar conclusions why freezarators work so well - it is not the horizontal vs vertical orientation so much as just not having a freezer! In a similar vein, smaller is...
|
Forum: Solar Heating
07-17-13, 01:52 PM
|
Replies: 70
Views: 73,167
AC,
Sounds like you think I built that...
AC,
Sounds like you think I built that device -- I wish!
Just a nifty idea I found on the web.
The commercial heat recovery (HR) units that do measure recovery report 50-60% -- that was the...
|
Forum: Solar Heating
07-16-13, 07:46 AM
|
Replies: 70
Views: 73,167
|
Forum: Solar Heating
07-16-13, 12:26 AM
|
Replies: 70
Views: 73,167
One last comment about PV adventures ...
I...
One last comment about PV adventures ...
I was much more gung ho about PV until I started reading about very premature PV panel death from the cheap Chinese manufacturers. I expect this to be a...
|
Forum: Solar Heating
07-15-13, 10:37 PM
|
Replies: 70
Views: 73,167
@#25
I was curious about the $ arithmetic...
@#25
I was curious about the $ arithmetic ...
A gallon of heating oil has about 41 kWh. Assuming about a 60% burn efficiency for the boiler (is that about right ?),a gallon will supply 24.6 kWh...
|
Forum: Solar Heating
07-15-13, 11:48 AM
|
Replies: 70
Views: 73,167
Thanks for the thread, Xringer.
I do enjoy a...
Thanks for the thread, Xringer.
I do enjoy a novel idea :)
I calculated some time ago that my shower consumes about 20 kW while running, so ~ 1.2 kWh of DC PV a day is good for about 3.6 minutes...
|
Forum: Conservation
05-09-13, 07:02 AM
|
Replies: 24
Views: 27,194
|
Forum: Appliances & Gadgets
04-26-13, 03:54 PM
|
Replies: 28
Views: 32,182
|
Forum: Geothermal & Heat Pumps
04-26-13, 10:15 AM
|
Replies: 45
Views: 30,634
Here is my last attempt to explain why I think...
Here is my last attempt to explain why I think you will waste energy and money:
1. Cheap energy to cool the water -- good
2. (Albeit Cheap) energy to cool the *entire* thermal mass of the house...
|