Thermal solar panels (hot water)

Solar thermal

Thermal panels are different to PV in that instead of converting the sun’s energy into electricity, it converts it solely into hot water which is stored in a cylinder. We had thermal panels installed back in 2007. At the time we had just moved in and the old combi boiler that came with the property … Read more

Best time to retrofit

NOW IS THE BEST TIME! (obviously) However some energy efficiency retrofitting can be quite expensive and disruptive. But if you intend to carry out any home improvements whether DIY or contracted, then it can be useful  think about what can be done while the works are going on anyway. New floor covering? We have met … Read more


What do we mean by payback? There are two types of payback we could consider: Financial return on your own investment (ROI) e.g. via lower energy bills Environmental benefits (carbon payback) e.g. cleaner and more sustainable planet due to your investment The payback time for an energy saving retrofit can vary depending on a number of factors. … Read more

DIY underfloor insulation


Our house is  a 1924 detached property with suspended floors and cavity walls. The walls were retrofitted (badly) with insulation some time in the 80s. The front hallway and one front room of this property has access to a crawlspace. It is not very high but has been used by (presumably small) plumbers and electricians. … Read more