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Feb 12th, 2024
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 Re: Propane or electric?
[Re: Herbie Hancock]
#7733157
01/30/20 04:05 PM
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Joined: Jul 2008
Posts: 22,260
Texas Dan
THF Celebrity
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THF Celebrity
Joined: Jul 2008
Posts: 22,260 |
Some have claimed we're making homes so tight these days that they're becoming more unhealthy than the drafty homes of year's past. My father in law is on that train of thought as well, homes need to expand on contract with the changes in weather. With that not happening moisture builds up and then you have mold. However, a few seasons ago on This Old House they did a zero energy house. The amount of insulation, thickness of walls and putting the studs closer together was amazing to maximize the r-rating of the house. They discussed the potential of mold growth and they put in a fan to help circulate the air within the home to help prevent that. The goal of the homeowner who was also an architect was to get his meter to spin backwards within on year. The walls were so thick it looked like he was living in an old stone house you see in the northeast. It was pretty interesting to watch. The quality of the air in such a sealed environment over time would appear to be an issue as well. You have to wonder given how busy people stay these days if they ever open their windows at any time during the year.
Last edited by Texas Dan; 01/30/20 04:06 PM.
"Some people will never like you because your spirit irritates their demons."
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Re: Propane or electric?
[Re: Herbie Hancock]
#7733232
01/30/20 05:14 PM
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Joined: Feb 2012
Posts: 2,869
Cow_doc.308
OP
Veteran Tracker
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OP
Veteran Tracker
Joined: Feb 2012
Posts: 2,869 |
Some have claimed we're making homes so tight these days that they're becoming more unhealthy than the drafty homes of year's past. My father in law is on that train of thought as well, homes need to expand on contract with the changes in weather. With that not happening moisture builds up and then you have mold. However, a few seasons ago on This Old House they did a zero energy house. The amount of insulation, thickness of walls and putting the studs closer together was amazing to maximize the r-rating of the house. They discussed the potential of mold growth and they put in a fan to help circulate the air within the home to help prevent that. The goal of the homeowner who was also an architect was to get his meter to spin backwards within on year. The walls were so thick it looked like he was living in an old stone house you see in the northeast. It was pretty interesting to watch. With foam, which we're doing, a properly sized and designed HVAC system is crucial. My brother is a builder in Alabama and is a fanatic about building his homes as air tight as possible. To go a long with that, a lot of effort and planning is put into the HVAC to be sure it is right. Typically, the tonnage of the AC unit is decreased and/or a variable speed unit is used to allow the ac to run longer better reduce the humidity in the house. Too big of a system that only runs for a few minutes does not have time to really condition the air in the home and then you can get major moisture problems.
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Re: Propane or electric?
[Re: Cow_doc.308]
#7733272
01/30/20 05:47 PM
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Joined: Dec 2011
Posts: 5,834
Lazyjack
THF Trophy Hunter
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THF Trophy Hunter
Joined: Dec 2011
Posts: 5,834 |
Re foam encapsulated buildings.
All fossil fuel appliances, with the exception of cooking appliances, must be condensing. Condensing fossil fuel appliances draw 100% of combustion air from outside the encapsulated space. Combustion air and flue gas plumbing should be PVC for cost and prevention of degradation.
Fresh air shall be introduced in front of the filter via a duct connected to outdoors.
There are controllers which are field calabrated to control a motorized damper. When tge furnace blower is operating, the controller opens tge outdoor duct damper, drawing in fresh air. Variables such as occupancy, square footage, duct CFM and blower run time are processed by controller logics to insure proper air exchange in building.
If the 2nd amendment was written just to include guns for hunting, why is there not an amendment to protect fishing poles?
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Re: Propane or electric?
[Re: Cow_doc.308]
#7733349
01/30/20 06:44 PM
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Joined: Jul 2012
Posts: 15,711
603Country
THF Celebrity
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THF Celebrity
Joined: Jul 2012
Posts: 15,711 |
We have an air exchanger (Honeywell)that moves in fresh air and swaps heat or cool with the air leaving. That system provides fresh air for the interior of the ‘sealed’ home. And it isn’t as sealed as you might think, so no worries. We’ve had this system for 10 years.
Not my monkeys, not my circus...
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