I followed the link and got on no problem

However, here is a quote from the "Boss" of the site
HVAC-Talk.com is a moderated site. Moderators will delete and edit posts in an effort to keep the site free of flame wars, insults, crude language, advertising and off-topic replies. Please be polite and helpful in your replies and feel free to seek help without fear of undue criticism.
Obviously - no place for Marc then (only joking Marc!)