Research shows that 94% of UK homeowners with heat pumps are satisfied or extremely satisfied with their heating. This compares to 85% for the most common heating system in the UK, the mains gas boiler.   Yet we constantly see in the media and on social media claims that heat pumps are noisy, expensive to install, expensive to run, don’t work in old houses and don’t work in the cold.   What’s the truth?   I’ve been living with an Air Source Heat Pump (ASHP) for 18 months now

I can’t believe just how low my energy use has been for the first calendar year of living in the EcoBungalow. Perhaps I shouldn’t be...

The EcoBungalow has been through the coldest quarter of the year. It’s far exceeded my expectations in how comfortable it has been. But...

The weather’s getting colder. The heating is on. Energy use and comfort are becoming more interesting!   Energy use and carbon emissions:...

Nobody tells you how much their project really cost. I wish they would. It would be so helpful to clients to understand what’s involved...

Every year, Passivhaus buildings open their doors to visitors, sharing knowledge and experience. The EcoBungalow had an open day last...

So, the EcoBungalow is complete and I’ve been living in it since May 2024. My aim is to keep this blog going for at least a calendar year...

Making the EcoBungalow as airtight as possible was a critical part of the build. Preventing heat loss by eliminating drafts goes...

The main aim of this project has been to create a low-energy, comfortable house. But it has also enabled the transformation of a 1970s...

It’s taken nine months from start on site to moving back into my not-quite-finished house.  Despite the long build period, it’s only...

We want the external walls to do two things: to be airtight, but also to be breathable. These two are often confused. 'Airtight' refers...

Ever lived in a house where there just aren’t enough electrical sockets? Where the light switches are in the wrong place? Where the hot...

The floor’s finished, the ceiling’s done and the excellent Viking triple glazed windows are in. Now for the last remaining step in...

Once the air tightness strategy was established, we could work towards finalising the design ready to submit for planning approval. You...

To work properly, a Passive House needs continuous insulation together with a continuous air tight membrane. No gaps. Gaps allow heat...

Before starting design, we needed to understand my existing bungalow. How is it currently performing in terms of energy efficiency? How...