Credits EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 EAp3 To determine the service life of a piece of HVAC equipment. Resource type Publications Link http://www.ashrae.org/publications/page/158
