Expert HIU Servicing
Our specialist HIU service packages are designed to maintain system efficiency, support compliance with heat network regulations, and ensure reliable heating and hot water for your property or a property you manage.
You can book a one-off service or repair through our online payment form or enquire for discounted group booking rates available.
HIU Service Packages To Suit You
Essential HIU Service: £95
All the core checks to keep your heat interface unit running smoothly—visual inspection, strainer clean, pressure top-up, venting, temperature checks, and a clear report. Ideal for regular maintenance or group servicing.
Complete HIU Service: £115
Includes everything in Essential, plus secondary strainer clean, valve servicing, inhibitor and expansion vessel tests, minor leak repairs, and performance fine-tuning. A deeper service for greater efficiency and peace of mind.
Premium HIU Service: £170
Our most comprehensive package—includes all Complete services plus heat exchanger cleaning, fault diagnosis, Evinox HIU servicing, and control checks. Perfect for full optimisation and long-term protection of your heating system.
Emergency HIU Repair: £225
We can arrange for a callout by one of our expert team for £225, which includes up to 3 hours labour to investigate and repair. This doesn’t include any parts or labour above 3 hours, which we’ll quote separately if we need to. We source all replacement parts at the most competitive price in the UK meaning you save!
Group HIU Service Booking
Ensure compliance with upcoming heat network regulations through expert, multi unit HIU servicing.
Tailored for managing agents—Essential, Complete, or Premium packages with detailed reporting, improved system performance, and reduced long term maintenance risk.
HIU Manufactures We Service
You can trust us to look after your HIU and heating system, it’s what we know best! Our nationwide team understand heat networks and are trained by leading HIU manufacturers across the UK to make sure you receive the same level of care and service as if you had a home with a gas boiler or other heating system.
We can maintain almost any HIU available in the UK and can advise you where a manufacturer might prevent someone else from undertaking repair.
Not Sure What HIU You Have or Which Service You Need?
Our friendly support team is here to help. Just send a photo of your HIU via live chat or the contact form, and we’ll identify your system and recommend the right service package.