A few more ventilation automations in Home Assistant

A few more ventilation automations in Home Assistant

Controlling my Komfovent balanced ventilation system through Home Assistant — opens up a world of possibilities.

Here are three automations I use to make the system a bit smarter 🙂

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More ducts for the balanced ventilation

More ducts for the balanced ventilation

We got balanced ventilation installed last year, and have been very happy with the system 🙂 But we quickly found that we needed to expand it into two more rooms — the 1st floor bathroom, used as the laundry room, and the play room, which will be a bedroom at some point.

Time to fix that 🙂

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Interfacing Komfovent C6 in Home Assistant

Interfacing Komfovent C6 in Home Assistant

We recently got balanced ventilation installed, and discovered that our ventilation unit has Modbus TCP/IP support. I even found a thread on the Home Assistant community talking about interfacing the C6 controller, which our unit has, into Home Assistant 😃

Here is my implementation 👇

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Getting balanced ventilation installed

Getting balanced ventilation installed

Our house was first built as a log cabin in 1890, then extended in the 1950s, and again extended and completely renovated in 2000. It’s well insulated, and has no drafts — it seems to be relatively airtight.

Great for keeping the heat in, not so great for the air quality. Add the fact that we didn’t have a single fresh air vent, only those tiny trickle vents above the windows. What you are left with is a house with bad air quality.

So we installed a balanced ventilation system 🙂

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Home office ventilation — controlled by CO₂ level

Home office ventilation — controlled by CO₂ level

I recently watched Jeff Gerling’s video on COâ‚‚ levels, and how to monitor it. My home office is also in the basement, with no windows. So I paid attention to the air quality when setting up down here.

In addition to monitoring the COâ‚‚ level, I’m also automatically ventilating the space when the air quality gets too bad.

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