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Daikin Boilers: Compare Efficiency, Warranty & Price

Although the Daikin brand has been manufacturing for over 90 years, it’s a company which is definitely looking to the future.

In addition to condensing combi boilers, Daikin are at the forefront of renewable heating products such as air source heat pumps and innovative intelligent control systems which make this company a great choice if you’re looking for a future proofed heating solution that is one step ahead of the competition.

When it comes to finding out whether a Daikin combi boiler would be a suitable option for your home, you’ll need to compare the output rating, efficiency, warranty and potential cost.

  • Output rating: Combi boilers have two separate output ratings – a central heating (CH) output and domestic hot water (DHW) output. Output rating is measured in kilowatts (kW) and, strictly speaking, the higher the output rating, the more powerful the boiler.
  • Efficiency: When burning gas to generate central heating and hot water, not all of the fuel can be converted into usable energy. For this reason, checking the efficiency of a boiler is very important as it shows how much of the gas burned by the boiler contributes to the central heating and hot water. Daikin boilers are around 93% efficient, which puts them amongst the most efficient on the market.
  • Warranty: Daikin combi boilers come with a 2 year warranty as standard which can be extended up to 7 years.
  • Price: To get an exact quote for a Daikin combi boiler, you’ll need to get a quote from a Gas Safe registered engineer. Typically, a new combi boiler is likely to cost somewhere between £500 and £2,000.

See how Daikin combi boilers compare with your existing boiler by using our Boiler Comparison Tool. Add up to 4 different boilers for comparison by tapping the ‘add boiler’ symbol.

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Compare Daikin combi boilers

Daikin combi boilers are available in three outputs, ranging from 24 kW up to 35 kW. The 24 kW and 28 kW models will suit homes with 1 bathroom and 10 radiators while the 35 kW could meet the heating demands of a home with up to 15 radiators.

Boiler Model kW Efficiency Warranty Typical Price
Daikin D2CND 24kW Combi Gas Boiler 24kw 93% 2 years £N/A VIEW
Daikin D2CND 28kW Combi Gas Boiler 28kw 93.1% 2 years £N/A VIEW
Daikin D2CND 35kW Combi Gas Boiler 35kw 93% 2 years £N/A VIEW

To find out the exact cost of installing a new Daikin boiler in your home it’s best to contact multiple suppliers. The price will vary depending on the size of your home, how much hot water your household needs and the complexity of the installation. You can get free quotes from up to 3 locally based heating engineers by taking a few moments to complete our simple online form.

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The Daikin product range

Daikin’s latest Combi boiler is the D2CND gas condensing boiler. It is available in an output of 24, 28 or 35kW and also with a hot water storage cylinder connection for homes with higher hot water demand. The Daikin D2CND is a compact boiler with an A rating for heating energy efficiency. When combined with solar thermal products it delivers an A+++ rating for hot water.

As with many Daikin designs it is a lightweight and contemporary looking appliance to suit the modern home. Simple and flexible installation is definitely a priority for Daikin as it has dimensions of just 400 x 255 x 580mm for the 24kW model (450 x 288 x 666mm for the 28 and 35kW models) as well as an adaptive gas valve which works with either natural gas or LPG and up to 11m of flue.

The integrated smart comfort controller means you can control your boiler and monitor energy use from your smart device using the Daikin heating app.

  • 24 kW: 12 litres flow rate per minute @ 30°C. Suitable for small to medium homes with one bathroom.
  • 28 kW: 14 litres flow rate per minute @ 30°C. Suitable for medium to large homes with more than one bathroom.
  • 35 kW: 16 litres flow rate per minute @ 30°C. Suitable for large homes with more than one bathroom.

Benefits of a Daikin combi boiler

    • Easy maintenance as all components accessible from the front panel and side panels are removable
    • Premium components including EBM Papst fan, SWEP plate heat exchanger, Grundfos pump and hydroblock & Kromschröder gas valve
    • Daikin’s OpenTherm control system enables continuous and accurate communication between the boiler and thermostat for greater control
    • Compact design and simple installation for the modern homeowner
    • Also available with hot water cylinder connection for higher hot water demand.

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Daikin boiler service

It’s important to keep your boiler in the best possible condition with an annual boiler service by a professional engineer. This will ensure the boiler can operate as efficiently as possible, keeping heating bills to a minimum, and that there are no potential safety issues to be concerned about. A boiler service is also a great way to catch and fix small repairs before they have the chance to worsen over time and cause an expensive breakdown. Find out what’s involved in an annual boiler service, why it’s so important, the benefits and how much they cost in Daikin Boiler Service.

Daikin boiler warranty

Every boiler manufacturer offers a standard warranty with their boilers which last between 1-10 years. The warranty is your insurance policy and means if a fault develops the manufacturer will resolve it within a specified time frame. Some warranties include both parts and labour while others may only cover parts. The most important thing to remember is to get your boiler serviced by a Gas Safe registered engineer every year as failing to do so is likely to invalidate your warranty. For more detail about this brand’s warranty (including the small print) take a look at Daikin Boiler Warranty.

Daikin boiler repair advice

Even the highest quality boiler can develop faults and problems as they age. Some are minor issues you may be able to handle yourself but most will need a Gas Safe registered engineer to diagnose and repair the problem. To find out if there are any common problems associated with this manufacturer you can read our guide to Daikin Boiler Repairs & Common Daikin Boiler Problems.

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Daikin renewable heating solutions

Daikin also specialises in renewable heating solutions for the modern home enabling homeowners to both reduce their carbon emissions and lower their energy bills through reduced use of fossil fuels. This includes an air to water heat pump (low or high temperature) and the Altherma Hybrid which is a system combining a Combi gas boiler with an air to water heat pump. This smart technology monitors the temperature outside and can calculate which of the two heating technologies will heat the home most efficiently and automatically switches between the two. Heat pumps are more effective in summer while a boiler may be needed in very cold weather. Find out more about hybrid heating systems here.


Visit the Daikin website for further details.

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