Key takeaways:
- Summer gives installers a valuable opportunity to start planned boiler replacement conversations.
- Lower heating demand means less disruption during installation.
- Replacing a boiler before winter reduces the risk of unexpected breakdowns during cold weather.
- Planned upgrades give you and your customer time to review their options and choose the right heating solution.
- Modern boilers, such as those from Navien, offer improved efficiency and extended warranties for long-term peace of mind.
Why summer is the right time to start the replacement conversation
Summer can give you the breathing space to have boiler replacement conversations that are much harder to manage in winter. Many homeowners do not think about their boiler until it stops working. By then, it is often freezing outside, your schedule is full, and the customer needs heating and hot water restored as quickly as possible.
Starting the conversation during summer gives you and your customer more time to assess the existing system, compare the available options and plan for what they need from their heating in the years ahead. This matters because Which? found that three-quarters of homeowners with an older heating system were unprepared for a sudden breakdown. A planned conversation can help move customers away from an urgent, reactive replacement and towards a more informed decision.

Reduce disruption for your customers
One of the biggest advantages of replacing a boiler during the summer is convenience. If the heating needs to be switched off during installation, the impact is minimal compared to the middle of winter. Customers are less reliant on central heating, while installers can often benefit from a smoother installation and greater flexibility when scheduling the work.
Help customers avoid a winter breakdown
Every installer has seen it happen. A boiler struggles through one winter, only to fail when it’s needed most the following season. Often, there were warning signs, but replacement was delayed because the system was still working.
Summer provides an opportunity to act before that happens.
Replacing an ageing boiler ahead of winter helps customers avoid unexpected breakdowns, emergency callouts and the inconvenience of being left without heating or hot water during colder months. Much like a car, boilers rarely wait for a convenient moment to fail. With Which? reporting that 75% of homeowners with an older heating system were unprepared for a sudden failure, your advice can play an important role in helping them plan ahead.

Take time to specify the right solution
Emergency replacements rarely allow much time for a detailed discussion. When a boiler fails unexpectedly, the priority is usually getting heating and hot water restored as quickly as possible. That can limit the opportunity to consider system upgrades, controls or future heating requirements as well as being limited by the provider’s boiler stock, potentially.
A planned summer replacement gives you and your customer time to review what they want their heating system to deliver, assess the property properly and select the most suitable boiler and controls without the pressure of an urgent breakdown.
Improve efficiency before demand increases
Older boilers can gradually lose efficiency over time, increasing energy consumption and running costs.
By replacing a boiler during summer, you can help your customer enter the heating season with a modern, high-efficiency system already in place. This helps ensure the boiler is operating at its best when demand increases later in the year.
It’s a proactive approach that can deliver both performance and peace of mind.
Why installers should start the conversation now
Summer service visits and routine maintenance appointments create a natural opportunity to discuss the condition of an existing boiler. If a system is becoming unreliable, parts are increasingly difficult to source or repairs are becoming more frequent, it may be worth discussing replacement before winter arrives.
The aim isn’t to encourage unnecessary replacements. It’s to help customers make informed decisions before a breakdown forces their hand.

Plan ahead with Navien
A planned summer replacement can help you reduce disruption for your customers, avoid the pressure of an emergency installation and recommend a heating solution that properly meets the property’s needs.
Navien boilers offer high-efficiency performance and warranties of up to 12 years on selected products , with parts and labour included on eligible models.
To find out more, speak to your local merchant or use the Navien Find a Boiler tool specify the right solution for your customers.



