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Keystone heat pumps

10 certified models, ranked by seasonal cooling efficiency (SEER2), then heating efficiency (HSPF2), highest first.

Filters Keystone
  1. 1 KYSTNTP12OD2Keystone
    12,600 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 9,100 Btu/h · Cold output 72% · HSPF2 10.0 · 1 pairing

  2. 2 KYSTNTP18OD2Keystone
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 13,600 Btu/h · Cold output 72% · HSPF2 10.0 · 1 pairing

  3. 3 KYSTNTP12OD1Keystone
    12,400 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,900 Btu/h · Cold output 72% · HSPF2 10.0 · 1 pairing

  4. 4 KYSTNTP24OD2Keystone
    25,000 Btu/hheating at 47°F 23,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 18,600 Btu/h · Cold output 74% · HSPF2 9.5 · 1 pairing

  5. 5 KYSTNTP09OD1Keystone
    10,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 7,100 Btu/h · Cold output 71% · HSPF2 9.5 · 1 pairing

  6. 6 KYSTNTP09OD2Keystone
    10,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 7,100 Btu/h · Cold output 71% · HSPF2 9.5 · 1 pairing

  7. 7 KYSTNTV09OD2Keystone
    10,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 8,000 Btu/h · Cold output 80% · HSPF2 9.5 · 1 pairing

  8. 8 KYSTNTV12OD1Keystone
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,800 Btu/h · Cold output 73% · HSPF2 10.0 · 1 pairing

  9. 9 KYSTNTV12OD2Keystone
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,800 Btu/h · Cold output 73% · HSPF2 10.0 · 1 pairing

  10. 10 KYSTNTV09OD1Keystone
    10,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 8,000 Btu/h · Cold output 80% · HSPF2 9.5 · 1 pairing

Keystone heat pumps, ranked by seasonal cooling efficiency (SEER2), then heating efficiency (HSPF2)
# Model Brands Type Size At 5°FBtu/h · heating At 47°FBtu/h · heating At 95°FBtu/h · cooling Cold output% of 47°F rating COP 5°Ffull speed SEER2median pairing HSPF2Btu/Wh · median pairing Compressor Refrigerant Market Pairings
1 KYSTNTP12OD2 Keystone Mini-split 12,000 Btu (1-ton)9,100 12,600 12,000 72% 2.10 24.0 10.0 Variable R-454B US CA 1
2 KYSTNTP18OD2 Keystone Mini-split 18,000 Btu (1.5-ton)13,600 19,000 18,000 72% 1.80 23.0 10.0 Variable R-454B US CA 1
3 KYSTNTP12OD1 Keystone Mini-split 12,000 Btu (1-ton)8,900 12,400 12,000 72% 2.10 23.0 10.0 Variable R-454B US CA 1
4 KYSTNTP24OD2 Keystone Mini-split 24,000 Btu (2-ton)18,600 25,000 23,000 74% 1.80 23.0 9.5 Variable R-454B US CA 1
5 KYSTNTP09OD1 Keystone Mini-split 9,000 Btu7,100 10,000 9,000 71% 1.90 23.0 9.5 Variable R-454B US CA 1
6 KYSTNTP09OD2 Keystone Mini-split 9,000 Btu7,100 10,000 9,000 71% 1.90 23.0 9.5 Variable R-454B US CA 1
7 KYSTNTV09OD2 Keystone Mini-split 9,000 Btu8,000 10,000 9,000 80% 1.80 21.0 9.5 Variable R-32 US CA 1
8 KYSTNTV12OD1 Keystone Mini-split 12,000 Btu (1-ton)8,800 12,000 12,000 73% 1.80 20.0 10.0 Variable R-32 US CA 1
9 KYSTNTV12OD2 Keystone Mini-split 12,000 Btu (1-ton)8,800 12,000 12,000 73% 1.80 20.0 10.0 Variable R-32 US CA 1
10 KYSTNTV09OD1 Keystone Mini-split 9,000 Btu8,000 10,000 9,000 80% 1.80 20.0 9.5 Variable R-32 US CA 1

The share is heat output at 5°F divided by the 47°F rating. Tests use different compressor speeds.

10 of 10 units

Other sizes

Every size class, with how many units it holds and its median heat output at 5°F