This heat pump is easy to install, operate, maintain and winterize. It uses environmentally friendly refrigerant & totally harmless to the ozone layer. Warranty and assistance provided directly by the manufacturer. Its new style and its innovative design allows installation on a terrace or in places with reduced clearance. http://boutique.simacanada.ca/en/heat-pumps/lava-xlr-heat-pump-lva050t261r