Is it time to repair? Or time to replace? The answer remains one of the HVAC industry’s most long-standing questions. “Back 20 to 30 years ago, everything was straightforward,” said Scott Jay, ...

There are many hurdles to overcome when completing a life cycle cost assessment. LCCAs have been praised by some and criticized or viewed with skepticism by others. Some AEC professionals like to use ...

The modern air conditioning system cools an indoor space by using the refrigeration cycle. This refrigeration cycle works by controlling the level of energy in the system’s refrigerant: Some parts of ...