Name of service
Side-hung inward opening, tilt-and-turn, or bottom-hung window made of PVC
Glazed flat-plate solar thermal collector - on roof
Thermosyphon solar domestic hot water heater
Unglazed flat-plate solar thermal collector - on roof
Side-hung inward opening, tilt-and-turn, or bottom-hung window made of aluminim with thermal barrier
Sliding window made of aluminium with thermal barrier
Evacuated tube solar thermal collector - on roof
