Doing metrology on analogue units is impossible without constant lab temperature.
So I moved the whole stuff in our basement, which is well isolated to the outside.
In winter, the regular heating is on.
So, the temperature varies between 20°C in the coldest winter days , e.g. -15°C outside, and 23°C on the hottest summer days, like right now, up to 35°C.Most of the time, temperature is 21..22°C, and constant to a few tenths of °C over 24h.
When all instruments are running, temperature might increase,so I mostly run the experiments on remote and lights switched off, to get rid of another 250W .
Frank