The Solaira COSY AW Series Patio Heater SCOSYAW15120W is engineered as low profile high output heaters for specifications requiring lower mounting heights. It produces radiant heat like the sun, instant warmth with no initial warm up time and is a reliable source of heat that won�t blow away or fail to start. This heater is easy to install and mounted on an adjustable bracket that allows vertical or horizontal adjustment allowing heat to be directed exactly where it is required. Wall mounting also maximizes floor space with no storage of bulky propane gas bottles. The Solaira COSY AW Series uses electricity and is CO2 free making these heaters environmentally friendly and safe to use. They are also silent, clean, and odorless with no products of combustion. This quartz infrared heater's waterproof design features a scratch-resistant, hard-wearing powder coating aluminum finish means that it's certified for both indoor or outdoor covered areas and makes it durable enough to withstand the elements.