London’s weather has a habit of keeping you on your toes. One week it’s unexpectedly warm; the next you’re reaching for a jumper. Somewhere in between, your air conditioning unit quietly soldiers on: cooling, heating, and filtering the air in your home without much fuss. Without regular attention, even the most reliable system can start to struggle.
For anyone with domestic air conditioning in London, a seasonal maintenance routine is one of the best things you can do to protect your investment and keep your home comfortable all year round.
Spring: Wake your system up properly
Spring is the perfect time to give your unit a thorough once-over before the warmer months arrive. Start with the air filter — if it’s been a while since it was checked, there’s a good chance it’s carrying a build-up of dust and particles.
Next, check the outdoor unit. Winter leaves behind debris. Clear any build-up around the casing and make sure there’s adequate space for airflow. Check that the condensate drain isn’t blocked, as a sluggish drain can cause water to back up inside the system.
Summer: Keep an eye on performance
Summer is when your air conditioning works hardest, and when any underlying issues tend to surface. Pay attention to how your system is performing. Is it cooling as efficiently as it used to? Any unusual sounds or smells? These can be early signs that something needs attention.
Check the filter again mid-summer, particularly if you have pets or live in a busy area where dust levels are higher. Make sure your thermostat is reading accurately and that all vents are clear and unobstructed. If anything feels off, have it looked at during the season rather than waiting until the system fails entirely.
Autumn: Prepare for the switch to heating
As temperatures begin to drop, most modern systems transition from cooling to heating mode. Test the heating function early in autumn so you’re not caught out on the first cold evening.
Autumn is also the best time to book a professional service. A qualified engineer will pick up refrigerant issues or electrical concerns before they become a problem. For domestic air conditioning in London, an annual professional service in autumn is widely considered the best time of year to do it.
Winter: Don’t switch off completely
A common misconception is that air conditioning systems can simply be left alone during winter. Even if you’re using your unit mainly for heating, the same maintenance principles apply. Keep filters clean and ensure the outdoor unit stays clear of ice build-up or debris.
Running your system occasionally keeps internal components lubricated and functioning properly. A system that sits dormant for months can be harder to bring back to full efficiency. Treating domestic air conditioning in London as a year-round responsibility keeps systems running smoothly for longer.
Herts Air Conditioning specialises in domestic installations and maintenance across London. We’re F-Gas registered and accredited by Refcom, with a near-perfect Checkatrade rating.
Get in touch to book a service or discuss a new installation.