Premier 1 vs K&H for Extreme Cold – -20°F Truth

Below -10°F, Premier 1. Above 0°F, K&H fine.

Premier: insulated lid, recessed nipples, -20°F rating, fill-while-hanging. K&H: 60W can't overcome wind + open exposure at -15°F – needs sheltered coop.

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If Vermont/Minnesota/North Dakota: Premier. If Ohio/Maryland: K&H saves money.

See best, pillar.

Cold-housing source

Sub-zero holds need insulation + shelter, not watts alone: UMN, Premier 1 waterers.

Which for North Dakota?Premier 1 insulated – K&H 60W needs sheltered coop below -10°F.
David Klein — Test engineer, Minnesota
Logs thermostat on/off points, kWh cost, freeze ratings. Runs side-by-side comparisons of Farm Innovators, Premier 1, K&H and API through January cold snaps.