ITW 30 Sep 2019 Metallographers of Robert Röntgen Rely on Sample Preparation Systems from Buehler Product PlanarMet 300 planar grinder and EcoMet AutoMet 300 grinder-polisher offer significant savings in time and consumables
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Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...