8 |+ X r0 d# J) Q3 M( qHeat Recovery Ventilator (HRV): $ {% C! j1 D! KThe 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.& q+ q& `) I! e- ~
The 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./ K( P& N+ c/ q/ }& p' k7 g# c* H
The result is a constant supply of fresh air, no unpleasant drafts and greater home comfort.) Y" ?+ `1 j3 E- n0 L2 M- J
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.