We don't sell products. We provide independent, technical verification so you aren't sold a system you don't need — before you commit thousands.
Senior Control & Instrumentation Engineer Darren Emery brings 40+ years of precision industrial experience — and Web Design since 1995 — to your Home Energy decisions. The same disciplined, evidence-first scrutiny used in regulated industrial environments, including Gas and Vapours (Ex01–Ex04) work, applied to your quote. Ask better questions of your installers and you secure better outcomes.
Sustainable warmth needs a holistic approach. We scrutinise every pillar of your home's Energy profile.
Optimisation for genuine ROI — we verify panel placement, shading, usable roof area and Battery-sizing calculations against your real usage.
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Heat-loss and flow-temperature analysis to ensure your system actually keeps you warm in winter.
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Fabric-first Engineering to stop heat loss before it starts — the foundation of efficiency.
Learn more →Sometimes the greenest Boiler is the one you already own — just optimised. We assess condensing efficiency and weather-compensation controls to cut bills without a full replacement.
No site visit, no sales call. Send what you already have and get clear Engineering back.
Email your installer's Solar, Battery, Heat Pump, Insulation or Boiler quote — PDF, photo or forwarded email.
We check the specification, sizing, realistic savings and payback against independent data — no assumptions, no hype.
You receive a one-page traffic-light report: what's sound, what's questionable, and the exact questions to put back to your installer.
Our governing principle: for every unit of Energy you generate, make sure you aren't wasting five through poor fabric or controls. Get the order right and you spend less for more comfort.
Start with the data — heat-loss, usage patterns and where the home actually leaks.
Stop the bleeding first. Air-tightness and insulation give the highest return.
Configure existing controls correctly. Most systems are set too high for true efficiency.
Only once the building is efficient do we recommend new low-carbon technology.
Independent, Engineer-led guidance to help UK homeowners understand Solar, Batteries, Heat Pumps, Insulation and Boilers before speaking to installers — plus an optional £99 Engineer's Second Opinion on your quote.
No. It is a guidance service — not an installer, supplier, surveyor, finance adviser or quote-comparison company. We earn no commission from installers.
Send your Solar or Heat Pump quote and you receive a one-page Engineering sanity-check: specification, realistic savings, red flags and the questions to put to your installer. We never sell you a system.
From the optional £99 review service, and from honest, disclosed finder's fees when a reader chooses to use a trusted British company we recommend.
Book a flat-fee review with an independent Engineer. No sales pitch, just physics and data — send your installer's quote and get a one-page traffic-light report in days.