What is the fine-grained topic of the following text: Electric underfloor heating systems are one of only two systems recognised by the Government’s Standard Assessment Procedure (SAP) as having the necessary parameters to qualify for inclusion into the SAP calculation – the other being storage heater systems with radiant panels built in and which are controlled as a single unit. Only return the topic.
Government recognition of electric underfloor heating systems and storage heater systems in Standard Assessment Procedure (SAP) calculation.