wood pellet heating [solarvent IQ 95% ] efficient solar pannels flat plate 85% efficent [H.F.WALLNOFER] gasifaction stoves [ WALLTHERM 93% efficient 70% water side 30%radition. pressurised system cavity wall insulation [SUPERNOVA SILVER BONDED BEAD] attic insulation [ROLLED or BLOWN] GAS SERVICES/IOL /SERVICES/HEATING CONTROLS