CHP stands for Combined Heat and Power. A CHP unit is a heating system fitted with an electrical generator so that it can provide heat and generate electricity at the same time. You might be forgiven for asking why anyone
What is CHP?
What is Passivhaus?
Passivhaus is a German word for passive house. The literal meaning of the word is a house that is unheated. Imagine having so much insulation in your house and such good triple glazing that heating was completely unnecessary. The sun
Waste Water Heat Recovery
When you take a bath the waste water goes down the plug hole. Obviously this waste water is quite warm. Waste water heat recovery means recapturing the heat from this water. A copper pipe is coiled around the pipe that
What Do I Think of The Green Deal?
The idea of the Green Deal was that people would borrow money from their gas or electricity companies to insulate their house and replace their old central heating system and windows. This money would be paid back over 25 years
Sunpipes
One of the major sources of heat loss is through windows and doors. A typical window or door has a U value of 1.60 (a good quality modern type) and that’s 5 times as much heat loss as a wall
Vacuum Insulation
Vacuum insulation works in the same way as a thermos flask. The thermos flask uses a vacuum between two glass walls in order to prevent heat travelling by conduction and silver on the walls to reflect radiant heat travelling as