Everything Tagged with Energy Efficiency

A realistic UK terraced house on a grey autumn afternoon, with a compact air-source heat pump on a side wall and a simple wall thermostat visible through a front window. A…

New UK Smart Heat-Pump Control Claims 17% Efficiency Improvement

By: David Coleman · Published: 2026-10-05 16:36:15 · Updated: 2026-10-06 12:14:26

Navien and Passiv’s PEM750 package claims a 17% COP gain from smart control. It is not a guaranteed bill cut, and software cannot fix poor commissioning.

A realistic UK commercial rooftop solar scene showing a warehouse or light industrial unit with solar panels installed on a pitched or shallow roof, a business owner and…

Solar finance for businesses in the UK: the short answer

By: David Coleman · Published: 2026-09-22 19:42:57 · Updated: 2026-09-23 09:15:00

Solar finance for businesses means funding commercial solar panels without always paying the full installation cost upfront.

Description: Clean educational diagram showing how running cost per useful kWh is calculated for a gas boiler versus a heat pump. On the left, show gas unit price flowing into b...

Heat Pump vs Gas Boiler Running Costs

By: David Coleman · Published: 2026-07-19 19:03:14 · Updated: 2026-07-31 19:07:09

The answer depends on your electricity tariff, gas tariff, heat pump seasonal efficiency, boiler efficiency, annual heat demand, hot water use.

Description: An informative clean-line diagram showing the difference between a commercial solar PPA and buying solar outright. Split the diagram into two side-by-side flows. On...

PPA vs Buying Commercial Solar in the UK: A Decision Framework

By: David Coleman · Published: 2026-07-18 16:08:36 · Updated: 2026-07-26 18:34:43

Buying commercial solar is usually better when the business can use cash or finance, expects to remain on site long term.

Description: An informative, clean technical diagram showing the commercial solar finance decision process for a UK business. Use a left-to-right flow with non-branded icons and...

Commercial Solar Finance in the UK: A Comprehensive Guide

By: David Coleman · Published: 2026-07-18 15:50:59 · Updated: 2026-07-26 18:19:43

It determines: who funds the installation who owns the solar panels and associated equipment who receives the electricity savings who receives any export.

Professional architectural photograph of sleek black photovoltaic solar panels installed on a modern British semi-detached house with south-facing garden and blue sky.

Warm Homes Plan 2026 - Grants Loans - Energy Upgrades Explained

By: David Coleman · Published: 2026-02-04 23:50:27 · Updated: 2026-02-05 00:15:22

Discover the UK Warm Homes Plan 2026. Learn about £15 billion in grants and low-interest loans for solar panels, heat pumps, insulation and batteries.

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