The ASHRAE 2023 Handbook HVAC Applications is now out, and we need to get ready to revise it again. Updated every four years, this volume is significantly larger than its previous editions, in part due to a new Chapter 66, In-Room Air Cleaners.
First, we had individual controls systems within a building made up of simple, low-voltage electricity and pneumatic control systems for larger building management installations.
First, there was the energy crisis in the 1970s that would reshape the HVAC industry and how we would select the optimum HVAC systems based on the primary heating and cooling resources.
Replacement of a 30-year old fire-tube boiler with a new 95% efficient gas-fired steam condensing boiler to serve a university’s main campus cafeteria.
Replacement of a 30-year old fire-tube boiler with a new 95% efficient gas-fired steam condensing boiler to serve a university’s main campus cafeteria.
The retrofit project provides continuous building-by-building monitoring energy and utility cost analysis inventorying the chilled water flow meters and Btuh energy metering to determine decarbonization results.