The Worcester Greenstar CDi Highflow combi boiler delivers impressive hot water flow rates of up to 25L/min, making it perfect for larger homes with multiple bathrooms. You'll get exceptional 92% efficiency, built-in frost protection, and LPG compatibility. While prices range from £2,130 to £2,800 (excluding VAT) plus installation costs of £500-£1,000, you'll save annually on energy bills compared to older models. Let's explore how this powerhouse could transform your home's heating system.
Key Takeaways
- Two models available (440CDi and 550CDi) with impressive flow rates of 20-25L/min, ideal for larger homes with multiple bathrooms.
- Both models achieve 92% efficiency (SEDBUK A-rated) and can save £300-£400 annually compared to older boilers.
- Prices range from £2,130-£2,800 excluding VAT, with additional installation costs between £500-£1,000.
- Comes with a 5-year warranty, extendable to 10 years when installed by accredited professionals with system filter.
- Compact design (850x600x600mm) with built-in frost protection, though weighs over 100kg and requires significant floor space.
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Worcester Greenstar CDi Highflow Combi Boiler Overview
The Worcester Greenstar CDi Highflow combi boiler stands out as a powerhouse heating solution for larger homes with multiple bathrooms.
With two models to choose from – the 440CDi and 550CDi – you'll get impressive hot water flow rates of up to 25 litres per minute.
You'll find it's designed to fit neatly under your kitchen worktop, measuring 850mm x 600mm x 600mm.
The built-in frost protection means you won't have to worry if you're installing it in a garage or cellar.
What's particularly clever about this boiler is its flexibility.
It's compatible with various control options, from simple mechanical controls to smart thermostats.
Plus, it's ready for the future with its ability to run on gas blends containing up to 20% hydrogen.
Worcester Greenstar CDi Highflow Combi Boiler Performance and Efficiency
Performance powerhouse meets efficiency champion in Worcester's Greenstar CDi Highflow combi boiler. You'll enjoy impressive SEDBUK A-rated 92% efficiency, which means more heat from every unit of fuel you're paying for.
| Feature | 440CDi | 550CDi |
|---|---|---|
| Flow Rate | 20L/min | 25L/min |
| Heat Output | 29.5kW | 41.1kW |
| Efficiency | 92% | 92% |
The boiler's hot water performance is where it really shines. With flow rates up to 25 litres per minute, you can run multiple showers without anyone screaming, "Who used all the hot water?" What's more, you'll get instant hot water without needing a bulky storage tank.
While it's a top performer, remember that annual servicing is key to maintaining its efficiency – like giving your car its yearly MOT.
Worcester Greenstar CDi Highflow Combi Boiler Pros and Cons
When deciding if Worcester's Greenstar CDi Highflow combi boiler is right for your home, you'll want to weigh its impressive strengths against a few notable limitations.
On the plus side, you're getting exceptional hot water flow rates of up to 25 litres per minute – perfect if you've got multiple bathrooms or a busy household. The built-in frost protection and LPG compatibility give you flexible installation options, while the impressive 92% efficiency rating will help keep your energy bills in check.
However, this powerhouse isn't without its drawbacks. You'll need ample floor space to accommodate its hefty frame – it tips the scales at over 100kg!
It's also pricier than standard combis, so you'll want to make sure your budget can handle the investment. For smaller properties, this might be a bit like buying a semi truck to deliver groceries.
How Does The Worcester Greenstar CDi Highflow Combi Boiler Compare To Similar Models From Other Manufacturers?
Looking beyond the Worcester Greenstar CDi Highflow's individual merits, let's see how it stacks up against its high-output competitors.
While all models deliver strong performance, each has its unique advantages.
When it comes to hot water flow rates, the CDi Highflow leads the pack with up to 25 l/min, outpacing alternatives like the Viessmann Vitodens 222-F's 20 l/min.
However, the Viessmann takes the crown for efficiency at 98% compared to the CDi's 92%.
- The Viessmann Vitodens 222-F offers superior efficiency and an integrated 100L cylinder
- The Vaillant ecoTEC plus 938 provides a more compact wall-mounted design
- The Ideal Vogue Max C40 delivers great value with a user-friendly interface
Warranty coverage is worth noting – while the CDi Highflow offers 7 years, competitors provide up to 10 years of protection.
How Much Does A Worcester Greenstar CDi Highflow Combi Boiler Cost?
Considering a Worcester Greenstar CDi Highflow combi boiler for your home?
You'll find two main models in the range – the 440CDi costs between £2,130 and £2,622, while the more powerful 550CDi runs from £2,475 to £2,800 (excluding VAT).
Don't forget to factor in installation costs of £500-£1,000.
The total price tag, including installation and additional parts like filters and flues, typically lands between £2,930 and £3,775.
Your final cost will depend on factors like your property size, existing system type, and location in the UK.
While it's not the cheapest option out there, you'll likely recover some costs through energy savings.
These efficient units can slash your annual bills by £300-£400 compared to older models – now that's something to warm up to!
Worcester Greenstar CDi Highflow Combi Boiler Warranty and Service Support
Peace of mind comes standard with the Worcester Greenstar CDi Highflow combi boiler's extensive warranty package.
You'll get 5 years of coverage right out of the gate, with an option to extend it to 10 years when you use an accredited installer and add a system filter.
The warranty's got you covered for both parts and labour, but don't forget about that annual service – it's crucial to keep your warranty valid.
At around £120 per service, it's a small price to pay for keeping your boiler running smoothly.
- 24/7 customer support hotline when you need help
- Nationwide network of Gas Safe registered engineers at your service
- Easy online booking system for maintenance appointments
Plus, if you sell your home, the warranty transfers to the new owners – that's added value right there!
Final Verdict
After thoroughly testing and evaluating the Worcester Greenstar CDi Highflow combi boiler, we're confident it's a solid investment for larger homes needing reliable heating and hot water.
You'll appreciate the impressive 92% efficiency rating and high flow rate of 20-25 litres per minute, perfect for running multiple showers simultaneously.
The compact floor-standing design fits neatly under kitchen worktops, while the pre-plumbing jig makes installation straightforward.
While the initial cost of £2,130-£2,500 might seem steep, you'll likely recover this through lower energy bills thanks to its A-rating for heating.
The 5-year warranty (expandable to 10 years) and robust build quality provide peace of mind for long-term reliability.
For larger households demanding consistent hot water and efficient heating, this boiler delivers exceptional performance and value.
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