4 P7 B5 P0 b0 c4 THeat Recovery Ventilator (HRV):+ N4 z6 f4 ?7 a
The heat recovery ventilator (HRV) is the proper choice in colder climates where there is excess humidity during the heating season, since it can eliminate it. 9 f3 \1 r4 Q2 g( r% rThe HRV keeps the home supplied with a steady flow of fresh outdoor air. As stale, warm air is expelled, the heat recovery core warms the incoming fresh, colder air before it is distributed throughout the home.% o5 `3 d+ s8 N0 E% q
The result is a constant supply of fresh air, no unpleasant drafts and greater home comfort. ; X9 D% B0 A3 ^
其实这里房子冬天室内湿度都很低,一般在30左右,不存在湿度过高的问题。主要问题是窗户保温不好。外面温度很低时,室内窗户还会结冰。我的解决办法是:remove inside sidings for all windows and doors, redo undulations and seals; in summer time re seal out side frames for all windows and doors. Then increase the temperature inside. It helps a lot. But the best way is to replace with new windows and doors with good insulation. Add more insulation for the house if necessary.