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This article provides excellent information about maximizing thermal mass: Phase Change Materials (PCMs): There is growing interest in the use of PCMs as a lightweight thermal mass substitute in construction. All materials require a large energy input to change state (i.e. from a solid to a liquid or a liquid to a gas). This energy does not change ...


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One boringly unexciting approach is double drywall (and don't choose the lightweight type) though that is more often done when building or rebuilding/remodeling than as a retrofit without some other rebuilding/remodeling going on. It easily and unobtrusively adds a significant mass to the interior structure. Bang for the buck, and in most cases pound for ...


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I have about 50 55-gallon drums stacked in my basement, all filled with water. They are stacked one on top of the other (bottom row/top row) along our north basement wall. I have two in floor-mounted fans, one pushing, one pulling, mounted in the ground-floor joist cavity (from above they just look like floor mounted cold air returns). During the day, the ...


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The only good solution to for this that I know of is pumped geothermal heat storage. In this system, a thermal well us used to store heat underground, and a heat pump is used to move energy between the house and the ground. Theoretically, if your local geology permits it, this lets your air conditioning during the summer store heat that can be recovered ...


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I think it depends on both the outside and the inside layout of the house. I would approach it like this: I guess you have 4 main options, two for the source and two for delivering the heat. Practicality may decide the source for you. On delivery, to get hot water as well as space heating from a heat pump system, you must deliver the heat to water. ...


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This sounds like the backwash on your water softener. It should be set to cycle at 1 am or so when you wouldn't hear it, but the clock could have been reset from a power outage. Normally, it will trickle for 20-30 minutes as it brines the resin bed and then it will backwash the resin bed with clean water for 10 mins or so. This water must all be dumped to ...



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