Commercial Property Energy Assessors: Commercial Property, Energy Performance Certificate, EPC, providers in Chester, Cheshire We have qualified personnel that can carry out these inspections, the legislation requires that air conditioning inspections are now required at least every five years on systems with an effective rated output of 12kW By ensuring this high level of qualification we are offering a service that we feel will meet our clients requirements In January of 2008 we became aware of the new legislation that was at the time being introduced in respect of the sale of commercial property, the Energy Performance of Buildings Directive that was gradually being introduced by the government