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Two other reasons a tenant may open a window sometimes in winter:
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' |" F5 ~) Q, q1. Air quality inside the house is too bad;" a( J1 T/ H6 K% [8 [' I- Q" B' L
2. Temperature is not even or much higher in certain rooms.
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1 s7 F. L$ Q7 h#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.
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#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.9 J; J1 ?7 p. h) a( u; l3 F" O
B5 ]4 `' i4 @+ c5 s. LFor reference only!!!. s/ G+ h( F2 v8 n
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