The ATAG I24c combi boiler packs impressive performance into a compact size, delivering 23.2 kW heating output for up to 15 radiators and 10.1 l/min hot water flow. You'll appreciate its 94% efficiency rating and potential annual gas savings of £320. While the £1,800-£2,310 installation cost might seem steep, flexible financing options and a 12-year warranty make it manageable. Its stainless steel heat exchanger and built-in features offer long-term reliability that'll make you wonder why you waited so long to upgrade.
Key Takeaways
- ATAG I24c Combi Boiler delivers 23.2 kW heating output for up to 15 radiators with a 94% efficiency rating.
- Total installation costs range from £1,800 to £2,310, including the unit price of £1,300-£1,310.
- The boiler features a stainless steel iCon heat exchanger with lifetime replacement guarantee and 12-year standard warranty.
- Energy efficiency design can save up to £320 annually on gas bills, making it cost-effective long-term.
- Installation includes up to 3 free quotes from Gas Safe engineers, with flexible finance options available.
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ATAG i24C Combi Boiler Overview
The ATAG i24C combi boiler packs impressive power and efficiency into a remarkably compact frame.
At just 700mm x 440mm x 355mm, it'll fit snugly in most homes, and there's even a slimmer 275mm version for kitchen cupboards.
You'll get reliable heating for up to 15 radiators and plenty of hot water for a bathroom, thanks to its 23.2 kW heating output and 10.1 l/min flow rate.
The boiler's 94% efficiency rating means you'll save on energy bills too.
What really sets this boiler apart is its iCon stainless steel heat exchanger, backed by a lifetime replacement guarantee.
With a standard 10-year warranty (extendable to 14 years) and smart control options, you're getting a future-proof heating system that'll keep your home cosy for years to come.
ATAG i24C Combi Boiler Performance and Efficiency
Diving into performance metrics, ATAG's i24C combi boiler delivers impressive 94% efficiency that'll keep both your home and wallet happy. With its ErP A-rating and potential upgrade to A+ with the ONEZone controller, you're looking at savings of up to £320 on your annual gas bills.
| Feature | Rating | Benefit |
|---|---|---|
| Heating Output | 23.2 kW | Powers 10-15 radiators |
| Hot Water Flow | 10.1 l/min | Quick shower ready |
| Heat Exchanger | 98% lifetime | Maintains efficiency |
You'll get consistent performance from the stainless steel iCon heat exchanger, which keeps 98% of its original efficiency throughout its life. The built-in weather compensator and bottom-up modulation guarantee quiet operation while maintaining ideal comfort levels in your home. Plus, with frost protection included, you won't need to worry about winter woes.
ATAG i24C Combi Boiler Pros and Cons
Looking beyond raw performance data, ATAG's i24C combi boiler brings a mix of strengths and limitations worth evaluating before making your decision. The impressive 94% efficiency rating and compact design make it a smart choice for energy-conscious homeowners with limited space.
You'll appreciate these standout benefits:
- Ultra-quiet operation that won't disturb your morning coffee
- Smart control compatibility to manage heating from your phone
- An industry-leading 14-year warranty for peace of mind
However, there are some drawbacks to evaluate. The i24C isn't ideal if you've got a large household with multiple bathrooms, as its hot water supply is limited.
While the upfront cost is higher than some competitors, the long-term efficiency savings and extended warranty help offset this investment.
How Does The ATAG i24C Combi Boiler Compare To Similar Models From Other Manufacturers?
When comparing the ATAG i24C to similar models from leading manufacturers, several key differences emerge that could influence your buying decision.
The most striking advantage is the ATAG's 94% efficiency rating, which outperforms competitors like the Worcester Bosch 25i (89.1%) and Vaillant ecoTEC plus 825 (89.3%).
You'll notice the difference in your energy bills over time.
The warranty offering is particularly impressive – up to 14 years compared to the typical 5-10 years from other brands.
That's a lot of peace of mind for your investment.
While you'll pay a bit more upfront for the ATAG i24C, you're getting premium features like the iCon stainless steel heat exchanger with a lifetime guarantee.
The 10.1 l/min hot water flow rate matches up well against similar output models from better-known brands.
When choosing between different boiler output ratings, it's essential to match the unit's capacity to your specific property size and heating requirements.
How Much Does A ATAG i24C Combi Boiler Cost?
The ATAG i24C combi boiler comes with a price tag of £1,300-£1,310 for the unit alone, putting it in the premium category of home heating solutions.
When you factor in standard installation costs of £500-£1,000, you're looking at a total investment of £1,800-£2,310.
You'll also want to take into account these common additional components for ideal performance:
- Magnetic filter (£100-£150) to protect your system from debris
- Chemical flush (£80-£120) to clean existing pipework
- Smart thermostat like the ATAG ONE (£150-£250) for better control
Don't let the upfront cost scare you – there are flexible financing options available.
Many suppliers offer 0% APR plans for 2 years, with monthly payments between £75-£100, making this premium boiler more budget-friendly.
ATAG i24C Combi Boiler Warranty and Service Support
Protected by one of the industry's most generous warranties, ATAG's i24C combi boiler comes with an impressive 12-year standard coverage that'll give you peace of mind for over a decade.
You'll get complete protection for parts and labour, plus a lifetime guarantee on the heat exchanger.
Want even more coverage? You can extend your warranty up to 14 years by adding an ATAG ONEZone smart controller and Adey Atom filter to your setup.
Just remember to schedule your annual service with a Gas Safe registered engineer to keep your warranty valid.
If you ever need help, ATAG's got your back with their weekday after-care warranty helpline and 24-hour assistance service. You can reach their Technical Service Desk at 01268 546772 for any questions or support needs.
Final Verdict
Based on our thorough analysis, ATAG's i24C combi boiler stands out as a compelling choice for small to medium-sized homes with a single bathroom. With its 94% efficiency rating and smart features, you'll likely see those energy bills shrink.
What makes this boiler particularly appealing is its blend of performance and practicality:
- A compact design that'll slip into your kitchen cupboard as quietly as your favourite mug
- The iCon stainless steel heat exchanger's lifetime guarantee means you won't lose sleep over replacement costs
- Smart compatibility with the ONEZone controller lets you manage heating from your phone (perfect for those "did I leave the heating on?" moments)
While it sits in the premium price bracket, the combination of high efficiency, extended warranty options, and durable components makes it a worthwhile long-term investment for your home.
Get Up To 3 Free Quotes For Your New Boiler
Ready to take the next step with your ATAG i24C? You can easily compare up to three free quotes from trusted local installers through our quick and simple process.
Just fill out our online quote calculator with your property details and requirements to get initial estimates within minutes. You'll see potential costs for different installation options and be able to compare warranties and service packages.
Want a more detailed assessment? Schedule free in-home surveys with Gas Safe registered engineers who'll provide personalised recommendations based on your specific needs. They'll give you written quotes with no pressure to commit.
Worried about the upfront cost? Many installers offer flexible finance options, including 0% interest payment plans spread over 2-10 years.
You might even find your monthly payments are lower than the energy savings you'll achieve.