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Ideal Logic Max Heat

The Ideal Logic Max Heat is a compact gas condensing heat only boiler with an A rating for efficiency and a range of impressive features.

Suitable for properties of all sizes, the Logic Max Heat is available in a range of heat outputs and can be kept out of sight in one of your kitchen cupboards. The boiler comes with a super-long warranty and is compatible with Ideal controls to give your maximum control over your heating. It does, however, require a separate hot water storage cylinder and a cold water tank, so it probably won’t be a good option if you don’t already have these components in your home.

How Much Does this Boiler Cost?

Ideal’s Logic Max Heat can be purchased with an output of 12kW, 15kW, 18kW, 24kW or 30kW, and its price ranges between £850 and £1,180. The final cost will depend on which output you need, which you can find out by seeking advice from a Gas Safe registered engineer. You’ll also have to factor in the fitting cost, which can vary greatly from one installer to the next. If you want to save on the boiler and installation costs, you’ll need to shop around and compare prices.

How will I know if this Boiler is Suitable for My Home?

The Ideal Logic Max Heat is a heat only boiler (also called regular or conventional boiler) and will need a separate cylinder for storing your hot water and water tanks in your loft area. Heat only boilers tend to be found in homes that have multiple bathrooms or fairly high hot water demand. They’re also a great option for properties that have issues with low water pressure. As this boiler is available in five different outputs, it’s designed to suit small, medium and large-sized homes.

Before you purchase a new boiler, we recommend you consult a Gas Safe registered engineer who can tell you which is the best type of boiler for your household and needs. When assessing your property, your engineer will also be able to work out the correct heat output (model) for your home.

Is it a High Efficiency Boiler?

Yes. The Logic Max Heat is ErP heating compliant and has an A rating for boiler efficiency. By choosing a high-efficiency gas condensing boiler over an old inefficient model, you should lower your carbon emissions and see a big difference in your fuel bills at the same time. This boiler is a good unit as it comes, but efficiency levels can be enhanced with Ideal’s optional controls and accessories including the Touch Heat & System RF Thermostat, a weather compensation kit or a mechanical timer.

Does this Boiler have a Good Range of Controls and Features?

This boiler benefits from having some decent controls, such as dials and buttons that let you manage the system and the heating and hot water temperatures with ease. The Ideal Logic Max Heat has a large digital display so you can keep an eye on the boiler status and make sure you always receive a reminder when your annual service is due. It’s a robust little unit with a hard-wearing and scratch resistant case, ensuring it looks as good as new throughout its life. Other noteworthy features include a pressure gauge, Ideal system filter and built-in frost protection.

How long is the Warranty on this Boiler?

If you go on to purchase the Logic Max Heat, you’ll get a tremendous 10-year parts and labour warranty as standard. To qualify for the full 10 years, the boiler must be registered within 30 days of installation and serviced annually by a Gas Safe registered engineer.

Summary of Important Information

  • Priced between £850 and £1,180
  • Heating output of 12kW, 15kW, 18kW, 24kW or 30kW
  • Dimensions of 700mm (H) x 395mm (W) x 278mm (D)
  • Uses gas as its fuel source
  • A-rated for efficiency
  • 10-year warranty as standard

Pros and Cons

Although not the end of the world, this boiler does take up more space than a combi or system boiler because it needs separate components. Because of this, it won’t be suitable for homes that lack loft and airing cupboard space. On the plus side, the Ideal Logic Max Heat does have a lot more pros than cons, all of which can be found below.


  • Ideal boilers have a good overall Which? score of 69%
  • Fits in a kitchen cupboard
  • Suited to small, medium and large-sized homes
  • Easy to install, use and service
  • Frost protection – protects boiler when installed in a garage or basement
  • Service timer with telephone display – reminds you when your annual boiler service is due
  • High-quality Ideal system filter – improves boiler efficiency and keeps running costs low
  • Provides maximum energy efficiency – reduce fuel bills and carbon emissions
  • Compatible with a range of Ideal controls – improves efficiency and performance
  • 10-year warranty


  • Requires separate cylinder and loft tanks
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