hvac.betterbuiltnw.com versus loadcalc.net (manual J)

Curious if other people have used this calculator:http://hvac.betterbuiltnw.com… and compared against loadcalc.net (which claims to be implementing Manual J)  ?The former has a better GUI, IMHO, and perhaps more versatility. … Curious if other people have used this calculator:http://hvac.betterbuiltnw.com… and compared against loadcalc.net (which claims to be implementing Manual J)  ?The former has a better GUI, IMHO, and perhaps more versatility. …Read MoreGreenBuildingAdvisor