energy audit
noun[C]
ENVIRONMENT,SOCIAL RESPONSIBILITYukusanexaminationof abuildingtofindout how muchenergyis being used in it and ifchangescould be made inorderto use less:
After a two-dayenergyauditofhisfactory, his $2.5 millionbusinesswasdeclared"energyinefficient."
Ahomeenergyauditis the firststeptoassesshow muchenergyyourhomeconsumes.