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1answer
34 views

Foam board insulation over drywall

Guys I am living in a 500 sq ft apartment built in the 1950's and it has a south facing wall. I run the 10000 BTU AC almost 24/7 and in the afternoons the wall is very warm if not hot to the touch on ...
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706 views

What are good Relative Humidity and Temperature settings on an MHRV and are the settings related?

I need to configure the threshold Relative Humidity and Temperature settings on an whole house MHRV system. The way the system works is that if the RH threshold is exceeded the system increases the ...
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0answers
41 views

Should I install a doorway fan or dehumidifier?

I have central air in a rancher (one floor), and the living room is on one end of the house. That room is on a slab, and has always been noticeably hotter in the summer and colder in the winter than ...
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37 views

New water heater, now shower goes cold if hot water is used anywhere else in the house

We just replaced a 40 gallon water heater, power vent. The plumbing company said upgrading to code was needed for the plumbing of this water heater. We replaced it with an almost identical model, eg;...
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0answers
69 views

How do I maximize light gain and minimize heat gain for my glass wall?

How to get maximum benefit of daylight while optimizing air-conditioner benefit for a glass wall (currently) of size 11' * 8' (total 88 square feet exposed). Facts: The glass wall never gets direct ...
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606 views

Can poly plastic water storage tank be used to store hot water?

Another set of questions in context of my home-brew solar water heater: Can poly-plastic water storage tanks, be used to store hot water (140deg F / 60deg C) ? How can I thermally insulate a 50 ...
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97 views

Will a DIY Air Conditioner help my HVAC Central Air system?

So the husband and I just moved to Texas. We went away for the weekend and turned our HVAC central air from 68F and ON to 75F and AUTO. For some reason when we got home the AC wouldn't drop. Now I ...