Specifications include, but are not limited to: Investment grade energy audits of each building, Design and installation of energy efficient equipment and systems which will reduce energy consumption associated with the HVAC system including upgrade/replacement of boiler systems, domestic hot water systems, HVAC controls, fresh air ventilation and other energy using systems, Implementation of programs which may not reduce energy consumption but which are aimed at improving indoor air quality i.e. increased ventilation and space control, An open book estimating process, broken down by building and building system in each building, Retrofit of existing systems if possible and recommendations for, Replacement of systems beyond their useful life