Combi Boiler Systems 101

Hot Water Tanks

A combi boiler is a high-efficiency water heater and a central heating system wrapped up into a single unit. The system seamlessly switches between heating your home and providing hot water on demand to provide the best possible experience.

Posted by Chris | October 12, 2021 | Reading Time: 1 minute, 34 seconds

Are you considering replacing your conventional boiler system with a combi boiler? If so, here’s an overview of what you need to know.

What’s a combi boiler?

A combi boiler is a high-efficiency water heater and a central heating system wrapped up into a single unit. The system seamlessly switches between heating your home and providing hot water on demand to provide the best possible experience.

    Top view of a professional heating system engineer performing a scheduled equipment maintenance check.    Concept of water conservation at home, with a water tap spraying flowing water in selective focus.    White combi gas boiler mounted on a wall.

The benefits of combi boilers

Here’s an overview of some of the main benefits of switching to a combi boiler system:

They’re energy efficient. Unlike conventional boilers, combi boilers only heat the water you need, when you need it. This makes them extremely efficient because they’re not constantly using energy to heat a tank full of water.

They’re compact. Since combi boilers are small and don’t require a hot water tank, they’re perfect for small homes or households looking to free up more living space.

    Gas water boiler mounted on a purple wall.    Rain shower-style showerhead with steamy water in a luxurious bathroom featuring warm lighting and tiled walls.    On-demand hot water heater installed in a compact, out-of-the-way space.

They’re cost-effective. Combi boilers are far less complex and require less pipework than traditional boiler systems, making them cheaper to install and repair. It’s also easier to find replacement parts if a problem occurs.

Lastly, combi boilers provide an unlimited supply of hot water on demand. Therefore, you don’t have to worry about running out of water or waiting for it to heat up.


Boiler Repair and HVAC experts in Edmonton

If you need your boiler repaired or want to upgrade to a combi boiler system, the experts at Modern Air & Water can help. If you live in Edmonton or the surrounding area, you can count on us to be your go-to heating company. Our knowledgeable team of technicians install, repair and maintain a variety of heating units, including tankless water heaters, hot water tanks, furnaces, garage heaters and more. Contact us today to learn more or get a free quote.