*The Boiler Upgrade Scheme grant is temporarily increasing for eligible homes and small businesses in England and Wales who rely on heating oil or LPG. From 21st July 2026 to 31 March 2027, eligible off-grid properties can get a £9,000 grant for air source or ground source heat pumps.
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Improve the efficiency of your home heating
Upgrading to a new boiler or heat pump system could help save you money on your heating bills
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Book your annual service today
Keep your Vaillant boiler or heat pump at its best
By booking an annual service with Vaillant, you will benefit from a full service check on your appliance by a Vaillant engineer - who better to look after your boiler than the people who made it?
An annual service brings you peace of mind with these benefits:
✔ Ensures your boiler or heat pump is running safely and efficiently
✔ Maintains your guarantee
✔ Avoids any future repairs when problems are identified early
✔ Saves energy by ensuring your system is performing correctly
Take your home heating to the next level
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The perfect system for every home
Our controls, cylinders and system components work seamlessly with your Vaillant boiler or heat pump to ensure maximum energy efficiency.
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Unrivalled service and support
280 expert engineers working 364 days a year to provide our customers with dedicated support for our products.
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Rigorous testing and quality assured
Vaillant stands for quality which is why all of our products are tested with up to 499 checks and in extreme weather conditions.
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150 years of innovation
Over 150 years of research and development ensures our products are designed to the highest quality, efficiency and reliability.
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Our best made even better: The new aroTHERM plus
Air source heat pump aroTHERM plus
Our best made even better
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Domestic Hot Water
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Heating