 Did you know the Mr. Cool DIY ductless mini split heats? And I mean really heats. Designed to combat outdoor temperatures as low as negative 13 degrees Fahrenheit and cool when temperatures reach 122 degrees. Mr. Cool DIY is America's only true DIY HVAC system and has single zone one room E-Star efficient configurations all the way up to a whole home five zone system. To find the perfect Mr. Cool DIY for your home, call Allen's Plumbing Supply today. Do it yourself with Allen's Plumbing Supply and Mr. Cool.