The ATAG i40C combi boiler offers powerful 40kW output and impressive 94% efficiency, making it ideal for larger homes needing reliable heating and hot water. You'll get up to 16.2 litres of hot water per minute, while its compact design fits neatly in most kitchen cupboards. Though pricier than competitors at £1,480-£2,150 (plus installation), you're backed by a generous 12-18 year warranty. Let's explore what makes this high-performance boiler worth considering for your home upgrade.
Key Takeaways
- The ATAG i40C Combi Boiler offers 94% efficiency with a powerful 40kW output, making it ideal for larger homes.
- Pricing ranges from £1,480 to £2,150 for the unit, with complete installation packages costing between £2,995 and £3,450.
- The boiler delivers up to 16.2 litres of hot water per minute and features smart controls for voice command operation.
- Warranty coverage extends up to 12 years standard, with options to extend to 18 years through the Complete Care Pack.
- While offering high efficiency and performance, the boiler comes with a higher price point and may experience reduced pressure during multiple tap use.
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ATAG i40C Combi Boiler Overview
The powerhouse ATAG i40C combi boiler packs impressive performance into its compact frame.
You'll get reliable heating and hot water from this A-rated system that boasts 94% efficiency, helping to keep those energy bills in check.
This smart little unit comes with some impressive specs that'll make your home comfort a breeze:
- Delivers up to 16.2 litres of hot water per minute
- Powerful 40kW output handles larger homes with ease
- Compact size fits neatly in most kitchen cupboards
- Compatible with smart controls for voice command operation
The i40C's stainless steel iCon heat exchanger is built to last, backed by a lifetime replacement guarantee.
Plus, when you pair it with the ATAG ONEZone controller, you'll access additional features like smartphone control and weather compensation for peak performance.
ATAG i40C Combi Boiler Performance and Efficiency
Under the hood, ATAG's i40C combi boiler delivers impressive muscle with its 40kW output – enough power to keep even larger homes toasty warm while handling multiple hot water demands.
| Performance Metric | Specification |
|---|---|
| Heating Output | 31.2 kW |
| Hot Water Output | 42 kW |
| Flow Rate | 16.2 l/min |
| Efficiency Rating | 94% |
You'll appreciate how the stainless steel iCon heat exchanger maintains a stellar 98% efficiency throughout its lifetime – and it comes with a lifetime replacement guarantee. That's like having insurance for your boiler's heart!
The smart weather compensator automatically adjusts your heating based on outdoor conditions, while the economiser captures waste heat that'd normally escape up the flue.
ATAG i40C Combi Boiler Pros and Cons
Weighing up the ATAG i40C's strengths and limitations will help you decide if it's the right fit for your home.
This high-efficiency boiler packs impressive features but comes with a few trade-offs you'll want to evaluate.
You'll appreciate the i40C's stellar 94% efficiency rating and generous warranty of up to 14 years.
Its compact design means it'll slip right into your kitchen cupboard without fuss, and you can control it with your favourite smart thermostat.
- ✓ Powerful 40kW output for larger homes
- ✓ Premium stainless steel heat exchanger
- ✗ Higher price point than competitors
- ✗ May be too powerful for smaller properties
Keep in mind that while the i40C's premium features are impressive, you might notice slightly reduced water pressure when running multiple taps.
Think of it like trying to water your garden with too many sprinklers on at once.
How Does The ATAG i40C Combi Boiler Compare To Similar Models From Other Manufacturers?
When comparing 40kW combi boilers, the ATAG i40C stands shoulder-to-shoulder with some impressive competitors in the market.
You'll find it matches up well against popular models like the Baxi 800 Platinum Plus, Ideal Vogue Max C40, and Worcester Bosch Greenstar 8000 Life.
In terms of hot water flow rates, the i40C delivers 16.2 litres per minute, which is just slightly below competitors who average 16.4 l/min.
Where it really shines is efficiency – its 94% rating puts it among the top performers, matched only by Ideal and Worcester Bosch models.
The warranty offering is particularly competitive, with up to 14 years coverage.
That's better than most rivals, though the Navien NCB edges ahead with a 15-year warranty.
Plus, you'll appreciate that it's LPG compatible, unlike the Baxi model.
For homeowners considering a replacement, the i40C is one of the best replacement boilers currently available on the market.
How Much Does A ATAG i40C Combi Boiler Cost?
The cost of an ATAG i40C combi boiler might make your wallet a bit nervous at first glance. You're looking at £1,480 to £2,150 for just the unit, while a complete installation package typically runs between £2,995 and £3,450.
Let's break down what you'll need to budget for:
- Basic installation costs: £500-£1,000
- Essential extras like magnetic filter and chemical flush: £400-£550
- Smart thermostat upgrade (recommended): £150-£250
- Extended warranty package: up to £900
Don't let these numbers scare you off – there are flexible financing options starting at £29.01 monthly.
Plus, with its impressive 94% efficiency rating, you could save £300-£500 yearly on energy bills. Think of it as your wallet thanking you later!
ATAG i40C Combi Boiler Warranty and Service Support
While the price tag might raise eyebrows, ATAG's warranty coverage will put your mind at ease. You'll get an impressive 12-year warranty as standard, with the option to extend it to 18 years through their Complete Care Pack.
Plus, there's a lifetime guarantee on the heat exchanger – talk about peace of mind!
Need support? You're covered there too. The after-care warranty helpline operates Monday through Friday, and there's a 24-hour helpline when you need urgent assistance.
You can reach their Technical Service Desk at 01268 546772 for any questions.
Just remember to keep up with annual servicing by a Gas Safe registered engineer to maintain your warranty.
You'll also find helpful resources like troubleshooting guides and error code explanations on ATAG's website to keep your boiler running smoothly.
Final Verdict
Based on extensive testing and real-world performance data, ATAG's i40C combi boiler proves itself as a premium powerhouse that's worth your consideration.
While it's not the cheapest option on the market, you're getting exceptional value for your investment.
When you're weighing up your options, here are the standout features that make the i40C shine:
- Impressive 94% efficiency rating that'll help lower those energy bills
- Robust 42kW output that'll keep hot water flowing even in larger homes
- Compact design that fits neatly into a standard kitchen cupboard
- Extended warranty coverage up to 14 years for peace of mind
You'll appreciate the smart features and environmental benefits too.
If you're looking for a high-performance boiler that'll stand the test of time, the i40C delivers on its premium promise.
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