LG Air Conditioning Technologies is adding LG “Reliable to Extreme Degrees” (RED) heating technology to more products, including the Multi F and Multi F MAX multi-zone outdoor units. LGRED provides 100 percent rated heating capacity down to 5 F with continuous operation down to -13 F. The multi-zone systems have the option to be installed fully ductless for optimal performance or combined with ducted systems for increased design flexibility. The LGRED Multi F systems also feature a SEER rating of up to 21, qualifying them for ENERGY STAR certification, as well as eligibility for participating local utility company rebates.