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SERVICE
HIU Repairs
Heat Interface Units (HIUs) are the heart of modern district heating systems in residential blocks. When they fail, residents lose heating and hot water quickly. We specialise in rapid diagnosis and repair of all major HIU brands.
We Handle
- Primary heat exchanger failures
- Circulation pump issues
- Hot water storage cylinder repairs
- Pressure relief valve faults
- Temperature control failures
- Emergency repairs on all makes
Emergency Response
HIU failures in winter can leave residents without heat. We respond to emergency calls 24/7 and aim to restore your system within 4 hours of arrival.
24/7 Emergency: 0203 051 6485Fixed Quotations
After diagnosis, we provide written quotations for repair work. No surprises, no hidden fees.
12-Month Guarantee
All repairs come with a 12-month parts and workmanship guarantee.