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Installer?
We are here to provide a bespoke solution to meet your system requirements for heat pumps and underfloor heating.
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Merchant?
With Millions of pounds of renewable heating products in our vast warehouse and deliveries straight to site or your location, we are the only merchant support you need.
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Property Developer?
We work directly with developers and housing associations, supplying heat pumps and underfloor heating schemes professionally designed, supplied, and supported by our expert team.

Supplying Innovative Heating Solutions Throughout the UK
Based in Exeter, we distribute a wide range of air source heating systems across the UK. We partner with industry leading manufacturers to bring you the most efficient, reliable and simple to install solutions.
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Training Courses
The Unitherm Training Centre has been established to provide industry leading training courses in the development of knowledge on renewable energy technologies.
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Details of all our Training Courses
are displayed on the month-to-vew
calendar.
LG Therma V Training Course - 01/05/2025
Duration: 1 day
Cost: £95.00LCL Installation and Maintenance of Air Source Heat Pumps - 20/05/25
Duration: 3 days
Cost: £595.00Water Regulations Certificate [WRAS] - 15/04/25
Duration: 1 day
Cost: £195.00Water Regulations Certificate [WRAS] - 14/05/25
Duration: 1 day
Cost: £195.00LCL Low Temperature Heating and Hot Water Systems in Dwellings - 28/05/25
Duration: 2 days
Cost: £325.00
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Design Service
At Unitherm, we offer a complete range of design and specification services for our clients. Whether you require specialist advice on installing an air source heat pump, or designing a bespoke underfloor heating solution, we have the capability to deliver.
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Everything you need for a complete system installation
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We carry a vast amount of stock, including spare parts and accessories – everything you need for your air source heat pump installation project, with a next day delivery.
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Technical Support
Need help or advice?
We'd be happy to help
Is your toolbox full, but your training schedule empty? Sign up for a full Heat Pump Training Package today and save £325!
Book all the following courses and get the Two-Day Design Course (LTHHW) absolutely FREE.
Here’s what’s included:
- Installation & Maintenance of Air Source Heat Pumps (3 Days) – £595+VAT
- G3 Hot Water Systems & Safety – £210+VAT
- Water Regulations Certificate (WRAS) – £195+VAT
- Two-Day Design Course (LTHHW) – £325+VAT
- A banging lunch every day – Priceless
Use code: BONUSBUNDLE at checkout
📅 Courses must be booked within a 3-month window