Air Conditioning Guides

Our air conditioning guides provide clear, practical advice to help you choose, install and maintain the right system for your home or business. Each guide is written by experienced engineers and is designed to simplify key decisions, explain important considerations and answer common questions about modern AC and heat pump systems.

Whether you’re planning a new installation, comparing system types or looking for maintenance tips, our guides offer straightforward information based on real-world experience. Topics include choosing the right unit, preparing for installation, understanding multi-split and commercial systems and keeping your equipment performing efficiently throughout the year.

Browse the guides below to explore detailed, easy-to-understand content that supports confident decision-making. New guides are added regularly, so check back for the latest advice and technical insights.

F-gas refrigerant leak checking logbook and HVAC equipment in UK plant room showing CO2e compliance and maintenance records
F-Gas Leak Checking Frequency in the UK (2026): CO₂e Thresholds, Records, and When Leak Detection Is Mandatory

A practical guide to UK F-gas leak checking in 2026, covering CO₂e thresholds, records, repair follow-ups, and leak detection rules.

TM44 air conditioning inspection report with commercial HVAC units in UK building showing compliance and 12kW system assessment
TM44 Air Conditioning Inspections: Who Needs One, What 12 kW Means, and How Often (UK, Bristol & South West)

Learn who needs a TM44 inspection, how the 12kW threshold works, how often reports are needed, and how to stay compliant in Bristol and the South West.

Calculator and energy tariff display showing heat pump running cost calculations and efficiency in a UK home
Heat Pump Running Costs in the UK (2026): Why Tariffs Matter, How SCOP Shapes Bills, and How to Cut the Cost per kWh of Heat

A practical guide to UK heat pump running costs in 2026, including tariffs, SCOP, bill comparisons and ways to reduce the cost per kWh of heat.

Air source heat pump installation at UK home with paperwork and calculator showing Boiler Upgrade Scheme grant and cost savings
Boiler Upgrade Scheme (£7,500) Explained (2026): Eligibility, Process, and What Your Installer Does.

A practical guide to the Boiler Upgrade Scheme, including £7,500 grant eligibility, the application process, and what installers handle.

Air source heat pump installed on UK home exterior with planning documents showing permitted development and MCS 020 compliance
Heat Pump Planning Permission in England: 2025 Rule Changes and What Happens from May 2026 (MCS 020)

A practical guide to heat pump planning permission in England, covering 2025 rule changes, permitted development, MCS 020 and May 2026 updates.

Comparison of air conditioning and air-to-air heat pump systems in a UK home, showing cooling and heating modes
Air-to-Air Heat Pumps vs Air Conditioning in Bristol: What’s the Difference and Which Should You Install?

Compare air-to-air heat pumps and air conditioning in Bristol. Learn the key differences, where each works best, and which system to install.

Calculator and air conditioning remote showing how to estimate running cost per hour using UK electricity rates
Air Con Running Cost Calculator (UK): Cost Per Hour Using Ofgem Price Cap Rates (2026)

Estimate air con running costs in the UK using 2026 Ofgem rates. Learn cost per hour, duty cycle maths, and how to reduce energy use.

Discreet outdoor air conditioning unit installed on a UK house exterior showing compliant placement under permitted development rules
Do You Need Planning Permission to Add Air Conditioning to Your Home? What “Permitted Development” Actually Means

A practical guide to planning permission for home air conditioning in England, including permitted development, flats, listed buildings and more.

Comparison of split, multi-split and ducted air conditioning systems in a UK home showing indoor units, ceiling grilles and outdoor condenser unit
Split vs Multi-Split vs Ducted Air Conditioning for UK Homes (2026): Pros, Cons and Best Use-Cases

Compare split, multi-split and ducted air conditioning for UK homes, with pros, cons and best use-cases for every layout.