Everyone in the HVAC world talks about the importance of getting heating and cooling load calculations based on ACCA Manual J. A great number of HVAC contractors don’t do these, and instead sell and install equipment with air distribution systems they choose based on rules of thumb … and these oversized systems tend not to work so well.
But what if you do hire a contractor or third-party designer to do Manual-J load calculations and you’re not an expert? Suddenly you’re faced with a bunch of seemingly indecipherable reports. How do you know if they’re accurate or not? … Allison Bailes provides some assistance.