A great way to heat and cool your home all year round. Designed with Inverter technology, our air conditioner / heat pumps provide you with an efficient way to give your home complete climate control. The LETO Series by Senville, is an affordable and efficient way to cool and heat your home. This mini split air conditioner and heat pump (up to 5F/-15C) is a great permanent addition to any home or business. With SEER ratings as high as 19, the LETO Series, offers powerful cooling, heating and dehumidification functions. Please note: Requires professional installation.