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Alto Energy is the sole UK Export Partner for the IVT range of Ground Source Heat Pumps which are the bestselling Ground Source Heat Pumps in Europe with thousands already installed and operational right here in the UK. By electing to install an IVT system you are the beneficiary of decades of Swedish engineering experience combined with the global presence of the Bosch Group, and the unparalleled experience and expertise of Alto Energy’s in house design team and technical support staff.

Alto Energy’s Range of Ground Source Heat Pumps


The IVT Greenline HE Ground Source Heat Pump is the latest generation of the famous Greenline product family. The IVT Greenline HE is a high efficiency Ground Source Heat Pump with intelligent, easy to use controls incorporating weather compensation as standard making it the perfect solution for most domestic new build or retrofit projects. And with an industry leading warranty backed by Bosch, and lifetime technical support from Alto Energy, you have total piece of mind that this is a product that will continue to perform for years to come.


The IVT Geo is a new range of Heat Pump from IVT and the Bosch group that is perfect for Commercial projects or unusually large domestic properties. The IVT Geo has been manufactured in eight different power sizes, and with the capability of cascading up to six units together meaning that whatever the scale of the project Alto Energy can design a system to match it.

Alto Energy Limited have unparalleled experience in the design and supply of Ground Source Heat Pumps, Air Source Heat Pumps and Underfloor Heating systems. Alto Energy will consult with you during the planning stage of your project to specify the most efficient and cost effective heating solution for your property and work alongside you and your contractors every step of the way.

Are You a Self-Builder?

Simply send us a copy of your property plans and Alto Energy will:

  • DESIGN a Heat Pump system with our expert, in-house designers
  • SPECIFY the equipment and SUPPLY it all at a time and date to suit you
  • Provide TECHNICAL SUPPORT to you, your plumber and electrician every step of the way – or we can help you to find an installer through from our Partner list
  • COMMISSION the system with one of our experienced field engineers
  • MCS CERTIFY the installation to ensure you have access to lucrative RHI grant payments
  • Provideongoing AFTERCARE and WARRANTY packages for your ongoing peace of mind

Read more about The Alto Energy Service.