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Two other reasons a tenant may open a window sometimes in winter:
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1. Air quality inside the house is too bad;1 R; [6 @' Z7 P% U' `8 q
2. Temperature is not even or much higher in certain rooms.; Y" W+ S9 B5 B+ E
4 P8 ?- }' g7 U( x f# a) a: o#1. All new houses have two seperate fresh air ducts, but some old houses like mine has one, only for air supply for burner. What I have done to improve the air quality are: Replaced exhaust fan switches with timers in all bathroom and installed exhast fan and air duct if there is no before, the timer can exhaust indoor poor air out evertime a tenant using bathroom; I also installed exhaust duct for cooking hood, so people can exhaust cooking smells out; Changed the thermostat that can set HVAC fan manual on once a while to circulate the air inside the house.' x8 }* l7 M7 p
, M( ?% a% F' h7 x5 l% Y#2 For temperature control: basically the basement temperature is much lower than upstairs. It maybe too warm for people in room upstairs while keeping comport temperature in basement. I readjusted all HVAC vents to make sure vents are open in basement and close more upstairs. Furthermore, I reduced blower speed to the lowest and according to adjusted the burner flame of the furnace.
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2 p3 C+ { l- m) ?For reference only!!!# }+ O( j+ t0 T: m2 F2 T
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