| GCat | US Laws & Regs |
| MCat | Government Laws |
| SCat | ASHRAE |
Standards for the heating, ventilation, refrigeration and air conditioning industries from the American Society of Heating, Refrigerating & Air-Conditioning Engineers. ASHRAE standards. HVAC standards.
ASHRAE Standards [8348] 
Standards from the American Society of Heating, Refrigerating & Air-Conditioning Engineers (fees)
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ADA Laws
The glory of friendship is not the outstretched hand, nor the kindly smile, nor the joy of companionship; it is the spiritual inspiration that comes to one when you discover that someone else believes in you and is willing to trust you with a friendship.
