Because it’s a two-stage heat pump' the 4HP18 has the ability to keep you comfortable by controlling temperature and indoor humidity levels. Most of the time' the 4HP18 will heat or cool your home using its lowest' quietest' most energy conscious setting. However' when heating or cooling demands increase' it can switch to its higher setting for greater temperature control in extreme conditions.
|MODEL||Cooling Cap. MBtuH||SEER||Heating Cap.MBtuH||HSPF||Refrigerant Charge Oz.||Line Size||Dimensions HxWxD||Weight Lbs.|