Automatic self-cleaning Arkal Spin Klin disc filter, designed as a highly efficient solution of high flow rate applications and for all types of water including seawater.
Automatic self-cleaning Arkal Spin Klin disc filter, designed as a highly efficient solution of high flow rate applications and for all types of water including seawater.
UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...