ventilation

Anyone got experience with installing a PIV fan unit? Our house is old-ish, but has been refurbed with lots of insulation and double glazing, there are no radiators and all heat is provided by underfloor heating and an ASHP. When we put the (wooden) windows in we decided not to have trickle...

Just bought my first 3d printer, voxelab aquila c2. I have just ordered a cover as the usual excitement of using a new toy meant I spent too much time in 1st 48 hours watching it perform. May be unrelated but got quite headache. (Please no scary stories about 3d printer dangers - I am generally...

I have two internal (no outside windows) bathrooms in my house with Expelair Premier fans which are very noisy. So I want to replace them. The first bathroom is a standard 6' square bathroom. The second bathroom is rather larger and I was using as a store room having removed the impedimenta...

I'm in the process of building an enclosure for my Ender 3, but I'm a bit confused about best practices regarding ventilation and VOC filtration. Looking through the designs on thingverse, many use hepa filters designed for vacuums, but from what I can gather, they don't really do much do...