The tech costs more than conventional options upfront, but federal tax credits, new 120V models and strong savings have made them more appealing than ever.
  • MNByChoice@midwest.socialEnglish
    1·
    7 months ago

    Chlorine is also pretty effective at killing Legionella.

    It is helpful to have backup heat when using solar is sunny days are not plentiful.

    https://en.m.wikipedia.org/wiki/Legionella

    At 50 °C (122 °F) – 90% die in 80–124 minutes, depending on strain (D = 80–124 minutes)

    48 to 50 °C (118 to 122 °F) – can survive but do not multiply