Air conditioning questions, answered honestly
40 questions across 5 topics, written from doing the work, with the trade-offs left in.
Costs & running costs
What air conditioning really costs in London: installation prices, running costs, why quotes vary and where cheap installs go wrong.
Rules, planning & flats
The legal side of air conditioning in London: planning permission, freeholder consent, noise rules, F-Gas law and what applies to flats.
Choosing a system
Split, multi-split, ducted or portable; sizing, brands, R32 and whether UK air conditioning is worth it at all. How to choose well.
Using your system
Day-to-day questions answered: the 3-minute rule, leaving systems running, temperatures, sleeping with cooling, smells and electricity use.
Installation & aftercare
What installation day involves, where units can go, how long systems last, servicing intervals, warranties and condensate drains.
All 40 questions
Costs & running costs
- How much does it cost to install an aircon in London?
- How much does air conditioning cost to run in the UK?
- Why is air conditioning installation so expensive?
- Is heating with air conditioning cheaper than gas?
- How much does a multi-room air conditioning system cost?
- What affects an air conditioning quote?
- Is a cheap air conditioning install worth it?
- How much does air conditioning servicing cost?
Rules, planning & flats
- Is it legal to install AC in the UK?
- Do I need planning permission for air conditioning?
- What are the rules for air conditioners in the UK?
- Can I install air conditioning in a flat?
- Do I need my freeholder's permission for air conditioning?
- Can my neighbour complain about my air conditioning unit?
- What is F-Gas certification and why does it matter?
- Do I need building regulations approval for air conditioning?
Choosing a system
- Is it worth installing AC in the UK?
- What is the difference between a split and a multi-split system?
- Are portable air conditioners any good?
- What size air conditioner do I need?
- Which air conditioning brand is best?
- Can air conditioning heat my home in winter?
- What is R32 refrigerant and does it matter?
- Wall-mounted or ducted air conditioning: which should I choose?
Using your system
- What is the 3-minute rule for air conditioners?
- Can I leave AC on for 2 days?
- What temperature should I set my air conditioning?
- Is it healthy to sleep with air conditioning on?
- Does air conditioning dehumidify?
- Why does my air conditioning smell?
- Should I turn air conditioning off when I go out?
- Does air conditioning use a lot of electricity?
Installation & aftercare
- How long does air conditioning installation take?
- How messy is air conditioning installation?
- Where should the indoor unit go?
- Where can the outdoor unit go?
- How often does air conditioning need servicing?
- How long does air conditioning last?
- What warranty comes with air conditioning?
- Do you need a drain for air conditioning?
Ready to price your air conditioning?
Tell us the rooms and the rough plan. We reply within one working day with an honest cost bracket, then a free survey and a fixed written quote.