Williams Gas Wall Heaters Ranked

Last updated: November 2, 2026

3 Williams gas wall heaters ranked. Each one is scored and ranked against every brand in its venting, so "#3 mid-size" means third of all mid-size gas wall heaters here, not third among Williams's own.

Williams makes 3 current gas wall heaters: 3 direct vent. Prices run from $989 for the Williams 1403822 Direct Vent Furnace to $1,290 for the Williams 3003822 Direct Vent Furnace. Its best-rated model: the Williams 3003822 Direct Vent Furnace (#11 of 14 direct vent, rated 2.7).

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Williams gas wall heaters 3

  1. Williams 3003822 Direct Vent Furnace
    #11 direct vent2.7Full review

    A strong value pick for heating a small home or cabin on natural gas with no power needed. Add the wall thermostat for automatic control.

    HVACDirect $1,290
    $1,290
    30,000 BTUNatural gasNo
  2. Williams 2203822 Direct Vent Furnace
    #12 direct vent2.5Full review

    For a living area or small house on natural gas where heat during outages and a low price matter most. Budget for the thermostat and a licensed installer.

    HVACDirect $1,149
    $1,149
    22,000 BTUNatural gasNo
  3. Williams 1403822 Direct Vent Furnace
    #13 direct vent2.2Full review

    For a small room or cabin on natural gas that needs heat through outages at the lowest price. Add the wall thermostat and expect higher gas bills than a sealed electronic unit.

    Amazon $989
    $989
    14,000 BTUNatural gasNo

Every gas wall heater ranked