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Last updated: 29th June, 2023


Ideal Logic+ Combi Review (2023)

Ideal Logic+ Combi Review (2023)

In this guide, we will be reviewing the Ideal Logic+ combi boiler, taking a look at its features, efficiency and accreditations in detail.

A Little Bit About Ideal

To begin with, let’s take a look at the manufacturer, Ideal…

With over 115 years’ experience of providing high quality boilers, Ideal remains at the forefront of the domestic and commercial heating markets, leading the industry in setting new standards and challenging technological boundaries. 

They remain true to their founding principles of quality, innovation and value.

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Ideal Logic Plus Combi Output Sizes

Power Output in kW

Suitable For:

Flow Rate


The Ideal Logic Plus 24kW is best suited for smaller families living in an apartment or bungalow with one to two bedroom(s), one bathroom and up to ten radiators.



The Ideal Logic Plus 30kW is ideal for medium sized families living in a medium terrace, bungalow or semi detached house with three to four bedrooms, one to two bathrooms and up to fifteen radiators.



The Ideal Logic Plus 35kW is perfect for large families with a high demand for hot water living in a large semi-detached or detached house with over four bedrooms, over two bathrooms and up to twenty radiators.


The Ideal Logic+ Combi Features

The Logic+ is Ideal’s most popular boiler thanks to its compact dimensions and powerful, yet efficient, heating and hot water abilities, making it ideal (😎) for medium sized homes. 

Here are some of the boiler’s key features:

  • Aluminium heat exchanger

  • A-Rated for efficiency

  • Hot water flow rate 9.9/12.4 / 14.5 litres per minute

  • Compact dimensions W 395mm D 278mm H 700mm

  • Easy-to-use fully backlit LCD

  • Frost protection

  • Quiet Mark Certified

  • Warranty: 7 years standard, 10 years with iHeat

The Features in More Detail

Power Output and Hot Water Flow Rate

At iHeat, the Ideal Logic+ Combi is available in two power outputs: 30kW and 35kW.

The Ideal Logic+ 30kW is best for mid-range homes with between 3-4 bedrooms, 1-2 bathrooms and a lower demand for hot water. 

This boiler has a high hot water flow rate of 12.4l/m, sending plenty of hot water to your taps and showers.

The Ideal Logic+ 35kW is better suited to larger homes with 4+ bedrooms, 2 bathrooms and a higher demand for hot water. 

With an impressive hot water flow rate of 14.5l/m, you can get instantaneous hot water on demand.

Ideal Logic Plus Power Outputs

Ideal Logic + Uses an Aluminium Heat Exchanger

When shopping for a boiler, many people assume that the parts inside are generally the same, however, the materials used and quality of the components can greatly impact the way in which your boiler functions and whether or not it will stand the test of time.

The Ideal Logic+ uses an aluminium heat exchanger, which has been used in millions of boilers across Europe since the 1970s. 

Heat Exchangers

The benefits of an aluminium heat exchanger include:

Very High Thermal Conductivity

Aluminium has a very high thermal conductivity (237W/m²/K), meaning it has a strong ability to transfer heat.

Because of this high thermal conductivity, the heat exchanger itself requires less surface area, meaning the boiler can be more lightweight and compact.

Quiet Operation

Thanks to the large waterways in an aluminium heat exchanger, the water velocity can be reduced, in turn reducing the amount of noise. 

Ideal Quiet Mark

This boiler was even awarded the Quiet Mark for such low noise levels.

Corrosion Resistance

On contact with water or oxygen, a non-porous protective layer of aluminium oxide is formed naturally, called alumina (or the passivation layer). 

This chemical reaction contributes to the heat exchangers being highly resistant to the corrosion effects of condensate during operation.

A key thing to note, however, is that stainless steel heat exchangers are more desirable than aluminium due to their better corrosion resistance, durability and reliability. 

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Ideal Logic+ Efficiency

Thanks to its A-rated 89% energy efficiency, you can make incredible savings on your heating bills whilst reducing your carbon footprint, all without changing your consumption. 

The Logic+ is part of Ideal’s ErP range which means it has been designed with energy efficiency in mind.

Ideal Logic Efficiency Rating

Ideal Logic+ is a Compact Combi

When shopping for a boiler, an important consideration is the dimensions of it so you can be sure it will fit in the location you want to have it installed.

Fortunately, the Ideal Logic+ combi has incredibly compact dimensions of W 395mm, D 279mm, H 700mm and is designed to fit inside a standard kitchen cupboard, helping you to save space elsewhere in your home.

Compact Ideal Logic Plus

Fully Backlit LCD Display

The Logic+ comes with an innovative and easy-to-use LCD display which is fully backlit, making it a lot easier to read. 

This means quick fixes such as topping up your boiler pressure are made a lot simpler.

Frost Protection

The Ideal Logic+ comes with built-in frost protection, helping to reduce the risk of your boiler freezing during the colder months.

Ideal Logic+ Warranty

The standard warranty for the Ideal Logic+ is 7 years, however, with iHeat you can get a huge 10 year warranty on parts and labour, so you can rest easy knowing you’re covered in the unlikely event of something going wrong.

Ideal Logic Plus Awards and Accreditations

The Queen’s Award for Enterprise

In 2013, the Ideal Logic+ boiler was awarded the Queen’s award for Enterprise and Innovation.

The award recognises Ideal’s “outstanding innovation, resulting in improvements to the business’ performance and commercial success.”

Good Housekeeping Reader Recommended

The Ideal Logic, Logic+ and Vogue boiler ranges also received the Housekeeping Reader Recommended Status in 2013, 2017, 2019 and again in 2020!

Ideal Good Housekeeping

Quiet Mark

As mentioned earlier, this model received the Quiet Mark, a certification that assesses products for their solutions to unwanted noise.

Product of the Year

The Logic+ won the coveted prize for the Household Boiler category for Product of the Year after 11,941 members of the public took part in research conducted by leading market information group TNS. 

Consumers were particularly impressed with the Logic+ because it “helps to reduce energy bills”, has “high efficiency and is simple to run” and needs “minimal maintenance and is eco-friendly”.

Logic Combi + Price Review

The Logic Combi+ is an affordable boiler that doesn’t compromise on quality. 

Sure, it isn’t the flashiest of boilers like the Worcester Bosch Style 8000, but if all you’re looking for is a reliable boiler that delivers effective and efficient heating, the Ideal Logic+ is a great choice.

Ideal Logic Prices

If you purchase an Ideal Logic+ through iHeat, you can get a fixed price for both the boiler itself plus installation by our Gas Safe installers. 

Prices for the Ideal Logic+ Combi boiler range plus installation begin at £1,895 and are available with a number of finance options to help you spread the cost.

Included in our prices is a fantastic 10 year warranty that we offer exclusively with all of our boilers here at iHeat.

Our Overall Thoughts?

The Ideal Logic+ combi is a fantastic boiler with a range of highly efficient features for an affordable price, helping you to make savings all around. 

As the winner of the Queen’s Award for Enterprise, Product of the Year and Good Housekeeping Reader Recommended, there’s no doubt this boiler can provide you with an effective and reliable heating solution.

Get a free fixed quote on a brand new Ideal Logic+ Combi plus installation from a Gas Safe engineer today!

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Stephen Day profile photo
Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.