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Moh Hayati

Dec 14, 2017
Jan 9, 2018

1. to make sure all crawl space vents are close .

2. you can check all exterior doors and windows do not have air leak .

3. check attick insulation should be minimum 10'' or you can add more insulation .

4.  you can cover large exterior window's glass with clear 3mil plastic .

5. you may check your heater system , and air filter need to repace every month .

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