Knowledge Centre

Most UK homes still rely on gas boilers, and for many households, replacing the whole heating system isn’t realistic right now.

A new boiler doesn’t just heat your home. It can cut wasted energy, improve comfort, and reduce running costs. But how much you save depends on what you’re upgrading from — especially if your old boiler is rated below D.
Let’s break down how a new boiler can help save money.

This is one of the most common questions people ask. But here’s the truth: there’s no one-size-fits-all answer. The best combi boiler for your home depends on a few things — like how much hot water you use, the size of your home, and what kind of system you’re replacing.

If you’ve ever tried to book a boiler service, you’ve probably seen prices ranging from £40 to over £150. It’s hard to tell what’s reasonable—and what you’re actually getting for your money.

This is one of the most common questions we hear — and it’s a fair one.

One of the most common questions we’re asked at Challenger Heating is: “How much does a new boiler cost?”