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pchwalek

HN member
Joined
Sun, Feb 27, 2022, 12:43 AM UTC
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15
Public activity
8 items

About pchwalek

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Recent public activity

  1. comment
    Comment #42159677

    Sounds like a job for Pied Piper

  2. comment
    Comment #41744955

    Im in a PhD program at MIT where I mainly build embedded systems and its not something I would recommend unless you are passionate about it. Hardware is "hard" and frustrating to d…

  3. story
  4. comment
    Comment #30484313

    Depends if you live in a climate where just regulating humidity is enough to guarantee thermal comfort, something that is dependent on humidity, operative temperature, clothing lev…

  5. comment
    Comment #30484263

    A lot of that is due to structures not having a proper vapor barrier, therefor allowing vapor exchange from the outside world which decreases in-wall condensation.

  6. comment
    Comment #30484237

    I think you can only separate them in radiative systems. But otherwise, a modern commercial HVAC system has a degree of mixing the air from the outside world to reduce gas and part…

  7. comment
    Comment #30484207

    This depends on the climate zone you’re in. In drier climates, some HVAC systems are actually humidifiers which blow the outside dry/hot air through a wet membrane (ex., desiccant)…

  8. comment
    Comment #30484060

    I would disagree with new houses not considering ventilation. There are set building standards (ASHRAE 62.1, 62.2, and ISO standards) that have been around for a while that specify…