[alliao]

I can't help but think HVAC is the perfect industry for the limited AI we have right now... it just need to hit a sweet spot of relative humidity and temperature, with constraints given by the assets you have and its' performance envelope given input from mixture of indoor/outdoor air..

but right now HVAC industry is treating relative humidity like some ultimate luxury tier item..

[walterbell]

Terra Bloom has 4/6/8" EC duct fans that can be controlled by wired/wireless remotes and DIY MCU/RPi via PWM, including a tachometer readout of actual fan speed, https://terra-bloom.com/blogs/news/how-to-choose-a-fan-speed... & https://github.com/albahmed23/terrabloom_ec_fans.

[thedougd]

PID and other basics of control theory have been around for ages, they're just not used in residential HVAC. Perhaps the limiting factor has been the traditional split system with only on and off states. As we move towards variable speed compressors and fans, we may see more intelligent controls. Maybe an AI can help tune the control constants?

[2rsf]

Maybe because relative humidity is more expensive to control? in an ideal case it's just moving and mixing different levels of air temperature and humidity, but in reality you need to de-humidify or add humidity

[MichaelZuo]

I found it inordinately difficult to get humidity to a stable point in Canadian winters, because practically no homes are designed with relative humidity in mind.

[turtlebits]

Houses are designed to control/shed moisture, not control humidity.

It's fairly inexpensive get a standalone dehumidifier and just set a humidity target.

[MichaelZuo]

A house usually has several rooms. And in Canada humidification demands are much higher in wintertime then dehumidification in summertime.

So your looking at literally dozens of humidifiers and dehumidifiers to maintain the optimal 40% to 60% range at all times in the average sized house.