* General HVAC Discussion - Open on heating, cooling, ventilation and all other topics related to HVAC discussion. * Business, Marketing, and Sales - The business of contracting discussed here. Everything from starting up a new business to expanding a successful one. * Residential HVAC Forum - Residential HVAC discussed here. Including new construction, remodeling and service work. * Commercial HVAC Forum - New construction and service work on commercial jobs. * HVAC Codes and Certifications - A discussion of all HVAC and Mechanical codes and HVAC Certifications here. * HVAC Pictures - Show us photos of work you've done, code violations, and anything else HVAC related. * HVAC Tools and Equipment - Discuss new tools, your favourite equipment, or anything else related to plumbing tools and equipment. * HVAC Material and Products - Product Reviews, News, etc.. * HVAC Work Safety - No other topic is as important as this one. Safety first!