![John Semmelhack on X: "Recent electrification work from @neil_comparetto + our install crews: 120-year old house Out: fossil gas boiler In: pair of ducted heat pumps Next 2 jobs: heat pumps to John Semmelhack on X: "Recent electrification work from @neil_comparetto + our install crews: 120-year old house Out: fossil gas boiler In: pair of ducted heat pumps Next 2 jobs: heat pumps to](https://pbs.twimg.com/media/FB2Gjs4XEAYzjWe.jpg:large)
John Semmelhack on X: "Recent electrification work from @neil_comparetto + our install crews: 120-year old house Out: fossil gas boiler In: pair of ducted heat pumps Next 2 jobs: heat pumps to
![Replacing oil boiler with condensing- return temps and buffer for ufh - Boilers & Hot Water Tanks - BuildHub.org.uk Replacing oil boiler with condensing- return temps and buffer for ufh - Boilers & Hot Water Tanks - BuildHub.org.uk](https://forum.buildhub.org.uk/uploads/monthly_2020_01/image.png.8ada3784640f4d474c4cba8bf2877c0b.png)
Replacing oil boiler with condensing- return temps and buffer for ufh - Boilers & Hot Water Tanks - BuildHub.org.uk
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