... 99.99% heating efficiency Energy saving commercial/industrial infrared radiant heater l 100% safetyl 25-year ... office, shop, hotel, smoking area, exhibition, gymResidential places: room, patio, terrace, pavilionCovered outdoor areas: garden, outdoor coffee ... office, shop, hotel, smoking area, exhibition, gymResidential places: room, patio, terrace, pavilionCovered outdoor areas: garden, outdoor coffee ...