Hello James, the usually 15,000+ BTU mini split units need run on 220V. Even at below freezing temperatures, there is still heat. In addition to lower energy efficiency of 2nd/3rd tier brands, quality, reliability, service and parts may and often will be a major problem, if your unit is not working. The cold/hot “freon” or R410A refrigerant is pumped from an outdoor compressor to the ultra quiet and efficient indoor unit, eliminating a central air-handler in your basement, and having to then push that air along the ducts. We often refer to the British Thermal Unit as a BTU, but the rating is actually the BTUs per hour, or BTU/h. LG LMU300HHV. Step 6) Choosing the right brand Update your ZIP Code below to see if you're in our network. Others are all 2nd tier OR private labels (for example Lenox sells re-branded GREE systems under their own name). Step 4) Indoor Unit / Air Handler Type So far I’m extremely happy with it: If you have an older home with uninsulated walls / attic, single pane or double pane windows, air leaks, cold air drafts, etc, select POOR INSULATION. The cost difference (materials only) between average and high efficiency ductless heat pumps is around $300/zone. All Rights Reserved\"}","checkoutMiscLinkJSON":"{\"Privacy Policy\":{\"href\":\"privacy.php\",\"title\":\"Privacy Policy\"},\"Terms of Use\":{\"href\":\"terms-of-use.php\",\"title\":\"Terms of Use\"},\"copyright\":\"© 2021 Power Equipment Direct. Making the hottest places cool and the coolest places more comfortable. To get the most accurate quote, carefully enter the value of each field in the calculator. Once you fill out all fields that correspond to your specifications, click “calculate”. (Cooling and Heating or Cooling Only) Select the optional heating type. We assume Sliding Doors are 6'x7'. These two brands are also widely considered to be the most reliable. SINGLE-ROOM MINI-SPLIT SYSTEMS. This calculation will not work for a whole house or commercial location, but is ideal for determining your mini split, through-the-wall, PTAC or window AC size. Boiler BTU Calculator - Boiler Sizing Calculator - Boiler Sizing - Boiler BTU Calculator. These large systems are very hard to estimate, given that there are too many unknowns. This basically describes MY HOME! For COOLING-ONLY models, only low/average efficiency setting is available, as these are NOT heat pumps (they are regular air conditioners that use ductless installation method, where the compressor is separated form the air handler), and do not have more than 16-18 SEER. This difference in seer rating can account for as much as 8% of your total annual energy costs (see the Energy Savings section below). Operating Cost Calculator; Learning Center. eComfort takes your room information to instantly give you a properly sized mini split heat pump for your home or business. Otherwise, if your space is over a conditioned room, select 'No'. * For more accurate load calculations, you can edit the detailed information below. 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