APEC RO Systems Ranked

Last updated: November 2, 2026

5 APEC RO systems ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size RO systems here, not third among APEC's own.

APEC makes 5 current RO systems: 5 with tank. Prices run from $179.99 for the APEC ROES-50 to $299.94 for the APEC RO-Hi. Its best-rated model: the APEC ROES-100 (#1 of 14 with tank, rated 4.0).

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.

APEC RO systems 5

  1. APEC ROES-100
    #1 with tank4.0Full review

    For families who want a certified tank RO system with more output and a faster pour than entry models, at a low price.

    Amazon $199.99
    $199.99
    100 gpd1:1$95 a year
  2. APEC RO-90
    #3 with tank3.8Full review

    For buyers who want a certified, low-maintenance tank RO system with long-lasting filters.

    Amazon $209.99
    $209.99
    90 gpd-$73 a year
  3. APEC RO-Hi
    #4 with tank3.7Full review

    For cooks and families who fill pots and pitchers often and want a faster pour from a certified tank system.

    Amazon $299.94
    $299.94
    90 gpd-$73 a year
  4. APEC ROES-50
    #7 with tank3.6Full review

    For a small household that wants a certified tank RO system at a low price. Larger families should look at the ROES-100.

    Amazon $179.99
    $179.99
    50 gpd-$85 a year
  5. APEC ROES-PH75
    #8 with tank3.5Full review

    For buyers who want a certified tank RO system with remineralization at a low price and can accept high water waste.

    Amazon $189.99
    $189.99
    75 gpd-$133 a year

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