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Are Brock and WeatherMaker heat pumps the same?

14 model numbers are listed under both Brock and WeatherMaker. For 14 of them the certified record is the same record under each brand.

  • 14 shared model numbers
  • 14 identical records
  • 0 records that differ
  • Updated Oct 26, 2026

How much of each range overlaps

Each brand's range, and how much of it is shared with the other
Brand Units in the certified data Certified combinations Share of its range that is shared
Brock 14 766 100%
WeatherMaker 123 2,819 11.4%

“Share of its range” is shared model numbers divided by that brand's own units. The two shares differ because the two ranges are different sizes. One row per unit (a certified model number), not per brand entry.

The model numbers they share

14 of 14 shown

Model numbers listed under both brands. The 5°F figure is the median across that unit's own certified pairings.

Model numbers listed under both Brock and WeatherMaker
Model number Size class TypeHeat at 5°FBtu/hkW COP at 5°F Pairings Brock WeatherMaker Same record Cold climate
PH8TAN560**AA* 54,000 Btu (4.5-ton) central 30,200 2.25 273 49 49 Identical NC
PH5SAN560**AA* 54,000 Btu (4.5-ton) central 28,600 2.18 6 1 1 Identical NC
PH8TAN548**AA* 48,000 Btu (4-ton) central 25,000 2.15 865 150 150 Identical NC
PH5SAN548**AA* 48,000 Btu (4-ton) central 24,400 2.28 22 4 5 Identical NC
PH5SAN542**AA* 42,000 Btu (3.5-ton) central 19,800 2.24 18 3 4 Identical NC
PH8TAN536**AA* 36,000 Btu (3-ton) central 19,000 2.24 586 105 105 Identical NC
PH5SAN536**AA* 36,000 Btu (3-ton) central 17,500 2.18 97 20 22 Identical NC
PH5SAN531**AA* 30,000 Btu (2.5-ton) central 14,000 2.05 112 23 25 Identical NC
PH5SAN530**AA* 30,000 Btu (2.5-ton) central 13,500 2.10 24 5 6 Identical NC
PH5SAN524**AA* 24,000 Btu (2-ton) central 11,400 2.08 551 116 118 Identical NC
PH8TAN524**AA* 24,000 Btu (2-ton) central 11,100 2.06 1,151 204 204 Identical NC
PH5SAN430**AA* 30,000 Btu (2.5-ton) central 10,000 1.05 4 1 1 Identical NC
PH5SAN518**AA* 18,000 Btu (1.5-ton) central 8,400 2.04 163 37 38 Identical NC
PH5SAN519**AA* 18,000 Btu (1.5-ton) central 8,400 2.00 230 48 50 Identical NC

NC not cold-climate certified — not in the certified data

14 of 14 shared model numbers All brand pairs

Updated Oct 26, 2026 · Methodology