Küttesüsteemide erinevused ja soojuspumbad Anti Hamburgi videoloengud.

1. https://www.youtube.com/watch?v=N-jGwc8Xcl4
2. https://www.youtube.com/watch?v=aPREPDIYgHs
3. https://www.youtube.com/watch?v=qO7PdXZDMKI

Разные системы отопления. Общие принципы

1. https://www.youtube.com/watch?v=sl5d753lyEw
2. https://www.youtube.com/watch?v=olrD9qxCAhM
3. https://www.youtube.com/watch?v=6A08LPQO3Fo