Trevs Blog
Energy, EV’s and other ‘Wife annoying’ topics
Boring my wife to tears for 30+ years about my figures and research.
Heat Pump + Solar + Batteries + EVs: One Year On – Real Numbers, Actual Savings & ROI Update (Jan 2026)
Hey everyone, It's been a whirlwind since the Daikin heat pump went live in October 2025 – ditching the old gas boiler for good and completing our multi-year journey to an all-electric, ultra-efficient home. With full 2024 solar data, early heat pump stats, and our...
Heat Pump Update: One Month In (and It’s Looking Good)
A few weeks ago, I posted that we’d finally ripped out the old gas boiler and gone all-in on an air-source heat pump. Well, the UK has gifted us its traditional “wet sunshine” autumn, so I thought I’d share some real-world numbers now we’ve had it running from 12th...
Heat Pump Update: Week 2 – Radiators
Heat Pump Update: Week 2 – Radiators, Batteries, and Beating the Chill Last week, I shared the initial excitement (and a few teething problems) of installing my air-source heat pump over at Our Heartwarming Journey to a Greener Home with a Heat Pump. One week in, and...
My Tesla Model 3: A Budget Supercar with Style and Savings
In January 2025, I took the plunge and bought a 2021 Tesla Model 3 Long Range Dual Motor for £19,000—a steal considering its original price was closer to £50,000 with all the bells and whistles. With 51,179 miles on the clock at purchase and now sitting at 59,579...
Our Heartwarming Journey to a Greener Home with a Heat Pump
A Big Step Toward a Cosier, Greener Home with a Heat Pump from Octopus Energy Last week, on October 6, 2025, our home became the stage for an exciting transformation. We decided to ditch our old, clunky gas boiler for a sleek, eco-friendly air-source heat pump (ASHP)...
Our Journey to a Greener Home: Heat Pump, Solar, Batteries, and EVs – With Predicted Annual Savings
Hey everyone! As the leaves start turning here in the UK, we're on the cusp of a big change in our household. In just three days—on October 6th—Octopus Energy will be installing our brand-new Daikin heat pump, completing our multi-year quest to slash energy bills, cut...
Trevor Branton
ABOUT ME
Giday… A self-confessed spreadsheet and tech nut that loves all things electronic.
This Blog is about my own experiences in relation to driving an Electric Vehicles, ways to save energy or other boring stats some folk may find interesting
Do the Math
The more your money works for you, the less you have to work for money
Some scenarios will not work for everyone, but if you don’t look at the options you will never know.