How much does air conditioning cost in Surrey?
Installation prices for 2026 by brand and number of rooms, what changes the price, and what it costs to run.
Read the guide →Home / Guides
Air conditioning guides
Plain-English answers to the questions we get asked most, written by the engineers who do the work.
Can air conditioning heat your home?
How an air conditioner works as a heat pump, how efficient it is, and when it makes sense as a heating system.
Read the guide →How often should air conditioning be serviced?
Service intervals for homes and businesses, what a service involves, and what the F-Gas rules say.
Read the guide →The best air conditioning for bedrooms
How to keep a bedroom cool and quiet at night: unit size, noise levels, positioning and which range to choose.
Read the guide →Air conditioning for garden rooms and home offices
Keep a garden room or home office comfortable all year, with one system for summer cooling and winter heating.
Read the guide →What size air conditioning do I need?
A simple room-by-room guide to air conditioning sizes in kW, and what makes a room need a bigger unit.
Read the guide →Do I need planning permission for air conditioning?
When an outdoor unit counts as permitted development in England, and when you need to ask your council first.
Read the guide →Fitted air conditioning vs portable units
An honest comparison of cost, noise, efficiency and comfort, and when a portable unit is the better buy.
Read the guide →