Products We Carry


We Carry High-Efficiency Heating, Air Conditioning, and Ductless Mini-Split Systems


MXZ H2i Multi-Zone Heat Pumps

Heat pumps are now a realistic option for any home' in any climate. The MXZ H2i family of Hyper-Heating INVERTER residential systems offer year-round' high-efficiency heating and cooling for a variety of rooms' including bedrooms' basements' sunrooms and more. A variety of indoor units provide zone comfort control while the INVERTER-driven compressor and electric LEVs in the outdoor units provide closer control and higher efficiency with minimal power usage.

  • 19.1 - 17.0 SEER' 11.3 - 9.8 HSPF' INVERTER-driven compressor.
  • Quiet outdoor unit operation as low as 49 dB(A).
  • Hyper-heating performance down to minus 13 degrees F outdoor ambient.
  • 100% heating capacity at 5 degrees F outdoor ambient.
  • Factory installed base heater Prevents ice build up in extreme environments.
MODELTypeUnit Match or Number of ZonesClg Cap MBtuHSEERHtg Cap MBtuHHSPFRefrigerant ConnectionsDimensions HxWxDWeight
SEZ-KD12NADucted Multi Match 12.0 0.0 13.6 0.0 7.9x31.1x27.6 46
SEZ-KD15NADucted Multi Match 15.0 0.0 18.0 0.0 7.9x31.1x27.6 51
SEZ-KD18NADucted Multi Match 17.2 0.0 20.1 0.0 7.9x46.9x27.6 60
SLZ-KA09NACassette Multi Match 8.4 0.0 10.9 0.0 3/8-1/4 9.25x22.4x22.4 36
SLZ-KA12NACassette Multi Match 11.1 0.0 13.6 0.0 3/8-1/4 9.25x22.4x22.4 36
SLZ-KA15NACassette Multi Match 15.0 0.0 18.0 0.0 1/2-1/4 9.25x22.4x22.4 36
MFZ-KA09NAFloor Multi Match 9.0 0.0 10.9 0.0 3/8-1/4 23.6x27.6x79 32
MFZ-KA12NAFloor Multi Match 12.0 0.0 14.4 0.0 3/8-1/4 23.6x27.6x79 32
MFZ-KA18NAFloor Multi Match 18.0 0.0 21.6 0.0 1/2-1/4 23.6x27.6x79 32
MSZ-FH09NAWall Multi Match 9.0 30.5 9.0 13.5 1/4 - 3/8 12.6x36.5x9.2 29
MSZ-FH12NAWall Multi Match 12.0 26.1 12.0 12.5 1/4 - 3/8 12.6x36.5x9.2 29
MSZ-FH15NAWall Multi Match 15.0 22.0 15.0 12.0 1/4 - 1/2 12.6x36.5x9.2 29
MXZ-3C30NAH2Outdoor 28.4 18.0 28.6 11.0 41.6x37.4x13 189
MXZ-2C20NAHZOutdoor Up to 4 Indoor 20.0 17.0 22.0 9.8 41.6x37.4x13 187
MXZ-4C36NAHZOutdoor 36.0 19.1 45.0 11.3 52.6x41.4x13 276
MXZ-5C42NAHZOutdoor 42.0 19.0 48.0 11.0 52.6x41.4x13 276
MXZ-8C48NAHZOutdoor Up to 8 Indoor 48.0 18.9 54.0 11.0 52.6x41.4x13 276
MXZ-3C24NAHZOutdoor Up to 5 Indoor 23.6 19.0 25.0 10.0 41.6x37.4x13 189
MSZ-GL12NAWall MUZ-GL12NA 12.0 23.1 14.4 12.5 1/4 - 3/8 11.6x31.4x9.1 22
MSZ-GL06NA 0.0 0.0 0.0 0.0 0
MSZ-GL09NAWall MUZ-GL09NA 9.0 24.6 10.9 12.8 1/4 - 3/8 11.6x31.4x9.1 22
MSZ-GL18NAWall MUZ-GL18NA 18.0 20.5 21.6 11.2 1/4 - 1/2 12x36.3x9.7 28
MSZ-GL15NAWall MUZ-GL15NA 14.0 21.6 18.0 11.7 1/4 - 1/2 11.6x31.4x9.1 22
MSZ-GL24NAWall MUZ-GL24NA 22.4 20.5 27.6 10.0 12.7x43.3x9.4 37

Warranty Information

  • All Parts for 120 months - All Parts for 120 months - 10 Years With Prompt Online Registration
  • All Parts for 144 months - 12 Years If Installed By Diamond Contractor and Registered Online

Available Documents

27-9673.pdf (Line Brochure, Consumer Literature, Customer Information)
27-11148.pdf (2014 Product Catalog , Consumer Literature, Customer Information)
27-9686.pdf (Owners Manual, Customer Information)
27-11147.pdf (Specification Sheet, Technical Information)
27-11151.pdf (Owners Manual, Customer Information)
27-17867.pdf (Consumer Literature, Color)
Williamson Boilers

Williamson Boilers

  • Gas and Oil Boilers
Williamson Boilers