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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.
LCL Hot Water Systems and Safety Course - 10/12/24
Duration: 1 day
Cost: £210.00Water Regulations Certificate [WRAS] - 11/12/24
Duration: 1 day
Cost: £195.00LG Therma V Training Course - 12/12/24
Duration: 1 day
Cost: £95.00LG Therma V Training Course - 09/01/25
Duration: 1 day
Cost: £95.00LG Therma V Training Course - 04/02/25
Duration: 1 day
Cost: £95.00
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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
Fancy a £200 Tesco Voucher?
Looking to get more from your heat pump installations? We have an incredible offer for you! When you purchase an LG Heat Pump, you can claim £200 in Tesco vouchers.
Here's how:
1️⃣ Buy an LG Heat Pump from Unitherm UK.
2️⃣ Submit your commissioning paperwork to receive your first £100 voucher.
3️⃣ Download the LG All Stars App and register your system to claim the second £100 voucher!
Don’t miss out on this exclusive promotion—upgrade your next project with LG and enjoy the extra rewards!
Visit our website to find out more: Learn Mo