2 certified models

AirDoctor air purifiers

Every AirDoctor air purifier certified under ENERGY STAR and listed for the US market, fastest first. Each model page has the full certified specs and comparable machines from other makers.

Model	Type	Smoke CADR	Room size	Annual energy use
AD1500	Fan and Filter,Ion Generator	170 cfm	264 sq ft	166 kWh/yr
AD4000	-	370 cfm	574 sq ft	396 kWh/yr

Source: ENERGY STAR certification data, US EPA. Data build 2026-09-29. Brand names are as the maker certified them, with obvious variant spellings merged.