Positive Oressure Ventilation Reduce Attic Temp

The normal indoor humidity range in winter should be 15.

Positive oressure ventilation reduce attic temp. The net effect in most situations is a decrease in cardiac output. Or break the performance of your heating and cooling systems and your attic ventilation. In existing homes the question is important. If the home doesn t have ducts there still may be reasons a homeowner would want to reduce the attic temperature.

Again i m assuming that you re not considering a sealed attic lowering the temperature of an attic that contains ducts can reduce your air conditioning costs. However with that understanding that creating negative pressure in the attic can cause all kinds of problems sucking out air from the conditioned space possible back drafting. However the effect may be beneficial in the context of decompensated heart failure where the decreased preload and afterload result in a return to a more productive part of the starling curve. My father is interested in removing heat from his attic to try to keep the upstairs of his house somewhat cooler.

Ideal attic temperature and humidity settings. 170 roof sheath temperature 140 attic temperature 115 attic temperature 4 section 1 hows and whys of attic ventilation. I have advised him that generally speaking attic fans are a bad idea which he has come to terms with. Positive pressure ventilation affects preload afterload and ventricular compliance.