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  1. GaryGary
    Post

    heat pump water heater deal

    Hi, I don't know really know any details on the unit -- waiting for it to arrive with manual. I'll post something when I know more. Gary
    Post by: GaryGary, May 19, 2013 at 10:58 AM in forum: The Green Room
  2. GaryGary
    Post

    heat pump water heater deal

    Hi, I have another solar space heating system with 240 sf of collector --...
    Post by: GaryGary, May 18, 2013 at 10:19 AM in forum: The Green Room
  3. GaryGary
    Post

    heat pump water heater deal

    Thanks -- I think you are right -- the space heating based on the HP removing heat from the crawl space is too far a reach. Will think about...
    Post by: GaryGary, May 18, 2013 at 10:11 AM in forum: The Green Room
  4. GaryGary
    Post

    heat pump water heater deal

    Hi, One of the things I'm thinking about using the HPWH for is really a space heating application. I have this system:...
    Post by: GaryGary, May 16, 2013 at 10:49 PM in forum: The Green Room
  5. GaryGary
    Post

    heat pump water heater deal

    My understanding is that it extracts heat from whatever space its in, and adds that heat to the water tank its warming. The COP is around 2 to...
    Post by: GaryGary, May 15, 2013 at 9:02 PM in forum: The Green Room
  6. GaryGary
    Post

    Artificial thermal mass

    Hi, Its pretty hard to keep the temperature rise for an air collector in full sun less than 50F, which gives you 120F output. If you run about 3...
    Post by: GaryGary, May 12, 2013 in forum: The Green Room
  7. GaryGary
    Post

    Artificial thermal mass

    Hi, Why not take the 120F ish air directly from the solar hot air collector and run that through a higher temperature phase change material, then...
    Post by: GaryGary, May 12, 2013 in forum: The Green Room
  8. GaryGary
    Thread

    heat pump water heater deal

    Hi, Ran across this closeout ebay deal on Nyletherm heat pump water heater:...
    Thread by: GaryGary, May 11, 2013, 20 replies, in forum: The Green Room
  9. GaryGary
    Post

    Supposedly "green" residential hot water recirc systems aren't

    Interesting. This is my experience with the recirc system that came with our house:...
    Post by: GaryGary, May 11, 2013 in forum: The Green Room
  10. GaryGary
    Post

    Solar System Upgrade (DHW)...

    WES -- looks good! There are several types of drain backs. You can get an idea of how the commercial drain back systems work by looking at...
    Post by: GaryGary, May 8, 2013 in forum: The Green Room
  11. GaryGary
    Post

    Electricity from wood heat

    I know zero about this area, but these guys seem to be pretty active, and they offer 10 and 20KW wood gasifier generators packaged on a pallet...
    Post by: GaryGary, Apr 25, 2013 in forum: The Green Room
  12. GaryGary
    Post

    Oil hot water supplement?

    Hi, You can build a DIY system that will provide nearly all of your hot water -- it just depends on how you size it. The nice thing about DIY...
    Post by: GaryGary, Apr 22, 2013 in forum: The Green Room
  13. GaryGary
    Post

    Drainback or closed loop solar hw?

    Hi Gary, I think the combination of steep tilt and single glazing can get the stagnation temps down to OK levels, but I think that a collector...
    Post by: GaryGary, Apr 20, 2013 in forum: The Green Room
  14. GaryGary
    Post

    Drainback or closed loop solar hw?

    Hi, Glad to be of help -- I get a lot of ideas from the forum. Usually 1/2 inch for risers is fine -- each riser gets so little flow that even...
    Post by: GaryGary, Apr 19, 2013 in forum: The Green Room
  15. GaryGary
    Post

    Drainback or closed loop solar hw?

    Hi, It does sound like a very good setup for a drain back. I like drain backs whenever they can be used as they are simpler and cheaper with less...
    Post by: GaryGary, Apr 19, 2013 in forum: The Green Room
  16. GaryGary
    Post

    Crawl space questions for you insulation gurus

    Hi, There are actually ducts and a small gas furnace in the crawl space, but none of the ducts dump into the crawl space, they go to the room...
    Post by: GaryGary, Apr 10, 2013 in forum: The Green Room
  17. GaryGary
    Post

    Crawl space questions for you insulation gurus

    Hi, I have a similar crawl space in a similar climate (SW MT). It was originally a vented crawl space with no floor insulation. I went to a...
    Post by: GaryGary, Apr 9, 2013 in forum: The Green Room
  18. GaryGary
    Post

    Off-Gri(n)d Tiny House

    The 12 by 16 (192 sf) house has a heat loss area of (12+12+16+16)(8) + (2)(192 = 448 walls + 384 flr/ceil = 832 sf A 33.6 ft by 44.7 ft...
    Post by: GaryGary, Apr 7, 2013 in forum: The Green Room
  19. GaryGary
    Post

    Off-Gri(n)d Tiny House

    Hi, You might look at a scheme to get higher R value windows and door. A quick heat loss indicates that they are the biggest loss, and that...
    Post by: GaryGary, Mar 29, 2013 in forum: The Green Room
  20. GaryGary
    Post

    Multi-use foam applicator gun follow-up

    I think that for me the applicator was about $40 and the cans were $9 each -- it was on Amazon.com. Judging from comments, the cans last quite a...
    Post by: GaryGary, Mar 26, 2013 in forum: DIY and General non-hearth advice
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