Dyson Purifier Hot+Cool HP1 vs Dyson Hot+Cool Gen1 HP10 Purifier
Both are Dyson purifier heaters with the same 73 sq ft coverage, so the choice comes down to price and control. The HP10 (B) is the better value: 4.2 stars from 1,200 ratings versus 4.0 from 1,000, and it is the newer Gen1 model. The HP1 (A) is $289.99 at ShopSimon as of November 7, 2026, and has swung between $209.99 and $289.99 since late October, so it is worth waiting for a dip. Buy the HP10 unless the HP1 drops near its $209.99 low.
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Dyson Purifier Hot+Cool HP1
Dyson Purifier Hot+Cool HP1 Purifying Fan Heater