Heat Pump List
Menu

Sections

Tools

Heat pump model numbers starting GR

42 certified units whose model number starts GR, out of every unit in the A to Z. Updated Oct 17, 2026.

One row per certified model number. All 42 in this group are listed; nothing is held back for a second page.

Model numbers starting GR
Model number Type Size class Brands Certified pairings
GRC09CN23STG1 mini-split 9,000 Btu 1 1
GRC12CN23STG1 mini-split 12,000 Btu (1-ton) 1 1
GRC18CN23STG1 mini-split 18,000 Btu (1.5-ton) 1 1
GRC24CN23STG1 mini-split 24,000 Btu (2-ton) 1 1
GRC36CN23STG1 mini-split 36,000 Btu (3-ton) 1 1
GRD09CN15STG1 mini-split 9,000 Btu 1 1
GRD12CN15STG1 mini-split 12,000 Btu (1-ton) 1 1
GREENLAND-12K115/O mini-split 12,000 Btu (1-ton) 1 1
GREENLAND-12K230/O mini-split 12,000 Btu (1-ton) 1 1
GREENLAND-18K230/O mini-split 18,000 Btu (1.5-ton) 1 1
GREENLAND-24K230/O mini-split 24,000 Btu (2-ton) 1 1
GREENLAND-9K115/O mini-split 9,000 Btu 1 1
GREENLAND-9K230/O mini-split 9,000 Btu 1 1
GREENLAND-M18K/O mini-split 18,000 Btu (1.5-ton) 1 1
GREENLAND-M27K/O mini-split 24,000 Btu (2-ton) 1 1
GREENLAND-M36K/O mini-split 36,000 Btu (3-ton) 1 1
GREENLAND-M42K/O mini-split 42,000 Btu (3.5-ton) 1 1
GRH32IC12AS mini-split 12,000 Btu (1-ton) 1 1
GRH32IC12ASA mini-split 12,000 Btu (1-ton) 1 1
GRH32IC18AS mini-split 18,000 Btu (1.5-ton) 1 1
GRH32IC36AS mini-split 36,000 Btu (3-ton) 1 2
GRH32IT12AS mini-split 12,000 Btu (1-ton) 1 1
GRH32IT12ASA mini-split 12,000 Btu (1-ton) 1 1
GRH32IT18AS mini-split 18,000 Btu (1.5-ton) 1 1
GRH32IT36AS mini-split 36,000 Btu (3-ton) 1 2
GRID09OHHV mini-split 9,000 Btu 1 1
GRID09OHV mini-split 9,000 Btu 1 1
GRID12OHHV mini-split 12,000 Btu (1-ton) 1 1
GRID12OHV mini-split 12,000 Btu (1-ton) 1 1
GRID15OHHV mini-split 15,000 Btu 1 1
GRID18OHV mini-split 18,000 Btu (1.5-ton) 1 1
GRID18OM2 mini-split 18,000 Btu (1.5-ton) 1 1
GRID24OC central 24,000 Btu (2-ton) 1 2
GRID24OHV mini-split 24,000 Btu (2-ton) 1 1
GRID24OM3 mini-split 24,000 Btu (2-ton) 1 1
GRID36OC central 30,000 Btu (2.5-ton) 1 2
GRID36OM4 mini-split 36,000 Btu (3-ton) 1 1
GRID48OC central 48,000 Btu (4-ton) 1 2
GRID48OM5 mini-split 42,000 Btu (3.5-ton) 1 1
GRID60OC central 54,000 Btu (4.5-ton) 1 2
GRXTH12BVJN mini-split 12,000 Btu (1-ton) 1 1
GRXTH18BVJN mini-split 18,000 Btu (1.5-ton) 1 1

Other groups

Every model number group, A to Z

Find a model by its number, its indoor unit, or its AHRI number