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Combi BoilerErP A+ Rated

Vaillant ecoTEC Exclusive 25

The ecoTEC Exclusive sits at the very top of the Vaillant residential range. With 96% efficiency and the most advanced controls in the range, it's Vaillant's answer to homeowners who want the absolute best.

Technical Specifications

Type
Combi
Output
25 kW
Efficiency
96%
Warranty
Up to 10 years
Price From
£1,599
ErP Rating
A+
Dimensions:720 × 418 × 299 mm

Key Features

  • 96% ErP seasonal efficiency — A+ rated
  • Built-in weather compensation sensor
  • Advanced digital touchscreen display
  • Highest hot water flow rate in the ecoTEC range
  • Low NOx burner
  • Remote monitoring capability

Best For

Tech-conscious homeowners who want maximum efficiency and are willing to invest in the best.

Supply & installation from

£1,599

Fully installed, inc. flue, filter & VAT

Get Exact Price

Common Questions About the ecoTEC Exclusive 25

What makes the ecoTEC Exclusive different from the ecoTEC Plus?

The Exclusive reaches 96% efficiency (vs 94% for the Plus) and includes built-in weather compensation and a touchscreen interface. It's Vaillant's flagship residential boiler.

Is a 25 kW output enough for a 4-bed house?

For heating, yes — 25 kW is sufficient. For hot water demand in a 4-bed with 2+ bathrooms, we'd typically recommend the 30 or 35 kW model.

What is the payback period on the Exclusive vs the Plus?

Approximately 5–7 years in energy savings, depending on usage. The premium is best justified in primary residences with high heating bills.

Ready to Get the ecoTEC Exclusive 25 Installed?

We supply and install the Vaillant ecoTEC Exclusive 25 across Corby, Kettering, Northampton, and all surrounding areas. Fixed price, Gas Safe certified.