Prime:
prime
Subtitle:
If you know what to look for, it’s easy to check for accuracy
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When you enter the world of building science — whether through building a house, becoming a home energy rater/building analyst, or just hanging out in cyberplaces like this — everyone talks about the importance of getting actual heating and cooling load calculations based on ACCA Manual J. A great number of HVAC(Heating, ventilation, and air conditioning). Collectively, the mechanical systems that heat, ventilate, and cool a building. contractors sell and install oversized equipment with air distribution systems that don't work because these contractors base their choices on rules of thumb.
from Building Science http://www.greenbuildingadvisor.com/articles/dept/building-science/how-read-manual-j-reports
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