When the weather finally warms up and the heating gets switched off, most people forget about the boiler altogether. We see it every year across Wiltshire. Come autumn, the first cold snap hits and suddenly the phone is ringing because the heating will not fire up. A bit of attention in summer can save a lot of hassle later.
Sorting your boiler servicing during the warmer months is one of the simplest ways to keep things running smoothly. Engineers are generally less stretched than in winter and you have time to deal with small issues before they turn into breakdowns.
Why Summer Is the Best Time to Check Your Boiler
In winter, your boiler works hard every single day. Once spring arrives, it finally gets a breather. That makes summer the ideal time to check everything over.
If we find a worn part or something that needs adjusting, you are not left without heating or hot water while it is sorted. There is no pressure to rush a repair because the house is freezing. It also means you are not competing for emergency callouts when everyone else’s heating suddenly fails in October.
For landlords, summer checks are especially useful. Tenants are far less likely to report heating issues in July, so it is a good window to book inspections and stay in line with your maintenance responsibilities.
Key Steps to Prepare Your Boiler for Warmer Months
You do not need to be a heating engineer to carry out a few simple checks yourself. Here are some practical steps we often recommend to homeowners in places like Calne and Corsham.
- Turn the heating off but keep hot water on: Most modern boilers have a summer mode. This disables the heating while still providing hot water.
- Check the pressure: Your boiler pressure should usually sit between 1 and 1.5 bar when cold. If it keeps dropping, that is worth investigating.
- Bleed radiators if needed: Even in summer, trapped air can cause issues later. If a radiator was cold at the top during winter, bleed it now.
- Look for leaks or corrosion: A quick visual check around the boiler and pipework can spot small drips before they become bigger problems.
- Clear around the boiler: We often find boxes, coats and cleaning products stacked right up against it. Give it space for ventilation.
These small jobs only take half an hour but can make a noticeable difference to reliability.
Common Boiler Issues to Watch for Before Summer
After a heavy winter workload, a few common faults tend to show up.
Limescale is a big one in hard water areas. We often see kettling noises in parts of Wiltshire where scale builds up inside the heat exchanger. If your boiler has been rumbling or whistling, it is worth getting it checked.
Another issue is frozen condensate pipes that cracked in winter and only start leaking once thawed. The leak can be slow and easy to miss.
If your boiler has been losing pressure repeatedly or taking several attempts to fire up in the mornings, do not ignore it just because the weather is warmer. Small faults rarely fix themselves.
Should You Turn Your Boiler Off in Summer?
This is a question we get asked all the time. The short answer is no, not completely.
It is fine to switch the heating function off, but keeping the boiler powered means it can still produce hot water and run its internal pump occasionally. Many modern boilers have a built in pump exercise feature which helps prevent parts from seizing up.
If you are going away for an extended period, you can follow the manufacturer’s guidance. Just remember that fully shutting the system down for months can sometimes lead to stiff components and minor faults when you switch it back on.
The Importance of Annual Boiler Servicing
A yearly service is not just a box ticking exercise. During a proper service, the engineer will check combustion performance, clean key components and make sure everything is operating safely.
We carry out regular servicing in Calne and Corsham, and it is often the small adjustments that make the biggest difference. Catching a worn seal or partially blocked condensate trap early can prevent a winter breakdown.
Servicing also protects your manufacturer warranty in many cases. Skipping it might save a bit of money this year but can cost far more if a major component fails and the warranty is void.
Energy Efficiency Tips for Summer Months
Even though you are not using the heating, your boiler still contributes to your energy bills through hot water use.
Try lowering the hot water temperature slightly if it is set higher than needed. Many boilers are left at factory settings which are hotter than necessary for daily use.
If you have a hot water cylinder, check that it is properly insulated and that the timer matches your routine. There is little point heating a full tank of water at 3am if no one uses it until late morning.
For older, inefficient boilers, summer can also be a sensible time to consider an upgrade. If your system struggles or parts are becoming obsolete, it may be worth looking at modern alternatives. You can find more information about boiler installations or what to do if things go wrong on our boiler repairs page.
When to Call a Professional Heating Engineer
If you notice unusual noises, persistent pressure loss, error codes or visible leaks, it is time to get a qualified engineer involved. Gas appliances are not something to tinker with.
We often attend calls in autumn where the warning signs were there months earlier. A quick summer visit would have been far simpler and cheaper than an emergency repair on a cold evening.
Preparing your boiler for summer is mostly about being proactive. A bit of care now helps extend its lifespan, improves efficiency and reduces the chances of being caught out later in the year. If you would like experienced, straightforward advice from a local team, AN Heating Services is here to help.
Contact us today to arrange your boiler service or get in touch for a quote on a new boiler and installation.
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