Onset Computer Corp., the “HOBO” data logger company, is offering three new HOBO LEED Monitoring Kits designed to help improve building energy performance while generating credits as specified in the U.S. Green Building Council’s LEED for Existing Buildings Rating System. Facility managers, building owners, contractors and engineers can quickly and easily measure and document boiler/solar hot water heater performance, rooftop HVAC system efficiency and indoor environmental quality.