Mitsubishi MUZ-FH18NA wins on performance with 22500 BTU heating capacity and 12.5 HSPF versus Daikin’s 18000 BTU and 10.5 HSPF. Daikin offers multi-zone flexibility that Mitsubishi lacks. Mitsubishi maintains rated heating to 5°F while Daikin capacity falls off sooner according to manufacturer data sheets.