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Split air conditioner blog | UK costs, rules, fixes

Blog10 articles

Split air conditioner guides: running costs, energy labels, planning permission, rented homes, filter cleaning, leaks and F-gas checks before you buy.

Air conditioner energy label SEER: what it means
Special7 min read

Air conditioner energy label SEER: what it means

An air conditioner energy label can look simple until an online listing puts A++, SEER 16.0 and "1 kWh annual energy" on the same screen. Those figure

October 2026Read article
Air conditioning in a rented flat: what you can fit
Rules7 min read

Air conditioning in a rented flat: what you can fit

A bedroom that is still stifling after midnight can make air conditioning in a rented flat feel like an urgent purchase. The practical choice is not s

October 2026Read article
Air conditioning planning permission: the UK rules
Rules7 min read

Air conditioning planning permission: the UK rules

The awkward time to ask about air conditioning planning permission is after an installer has drilled the wall and mounted the outdoor unit. In England

October 2026Read article
How to clean a split air conditioner filter safely
Maintenance7 min read

How to clean a split air conditioner filter safely

A dusty indoor unit can become noisier, move less air and cool the room less effectively. To clean a split air conditioner filter safely, first identi

October 2026Read article
R32 air conditioner F-gas checks before you buy
Rules7 min read

R32 air conditioner F-gas checks before you buy

A pre-gassed R32 air conditioner can look almost ready to fit when it arrives: indoor unit, outdoor unit, pipe kit and refrigerant already supplied. T

October 2026Read article
Split air conditioner blowing warm air: what to check
Diagnosis7 min read

Split air conditioner blowing warm air: what to check

You set the controller to 18 °C, hear the indoor fan start and wait for relief, yet the room stays hot. A split air conditioner blowing warm air may s

October 2026Read article
Split air conditioner leaking water: stop and check
Diagnosis6 min read

Split air conditioner leaking water: stop and check

A split air conditioner leaking water indoors needs attention, even if the drip seems small. The liquid is usually condensate produced during normal c

October 2026Read article
Split air conditioner running costs: calculate yours
Cost6 min read

Split air conditioner running costs: calculate yours

A 3.5 kW split system does not normally consume 3.5 kW of electricity every minute it runs. That prominent number usually describes cooling output, wh

October 2026Read article
Split air conditioner service interval: when to book
Maintenance7 min read

Split air conditioner service interval: when to book

Your split system may still cool the room while a dirty filter restricts airflow, a drain begins to foul or a small fault develops out of sight. A sen

October 2026Read article
Wall split or portable split: which should you buy?
Comparison7 min read

Wall split or portable split: which should you buy?

You have a hot room, a suitable window and enough budget for something better than a single-box air conditioner. The next decision is wall split or po

October 2026Read article