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Atomi Smart heat pumps

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

Filters Atomi Smart
  1. 1 AT2239Atomi Smart
    12,749 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Central · 5°F NR · Cold output — · HSPF2 8.3 · 1 pairing

  2. 2 AT2239 CAAtomi Smart
    12,749 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Central · 5°F NR · Cold output — · HSPF2 8.3 · 1 pairing

  3. 3 AT2240Atomi Smart
    19,282 Btu/hheating at 47°F 18,100 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F NR · Cold output — · HSPF2 8.9 · 1 pairing

  4. 4 AT2240 CAAtomi Smart
    19,282 Btu/hheating at 47°F 18,100 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F NR · Cold output — · HSPF2 8.9 · 1 pairing

Atomi Smart 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 AT2239 Atomi Smart Central 12,000 Btu (1-ton)— 12,749 12,000 — — 23.9 8.3 Variable R-32 US CA 1
2 AT2239 CA Atomi Smart Central 12,000 Btu (1-ton)— 12,749 12,000 — — 23.9 8.3 Variable R-32 CA 1
3 AT2240 Atomi Smart Central 18,000 Btu (1.5-ton)— 19,282 18,100 — — 21.2 8.9 Variable R-32 US CA 1
4 AT2240 CA Atomi Smart Central 18,000 Btu (1.5-ton)— 19,282 18,100 — — 21.2 8.9 Variable R-32 CA 1

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

4 of 4 units

Other sizes

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