Guides
Straight answers to the questions people ask us about heat interface units, written by the engineer who does the work rather than by a marketing department.
What is a heat interface unit?A heat interface unit, or HIU, is the box in the cupboard in a flat on communal or district heating. It does not burn …Read HIU no hot water: the common causesIf your heat interface unit has stopped giving hot water, the first question is whether your heating still works. If t…Read HIU leaking: what to doIf your heat interface unit is leaking, close the isolation valves on the pipes either side of it if you can reach the…Read HIU pressure: what the gauge is telling youThe pressure gauge on a heat interface unit reads your flat's own heating circuit, not the building's supply. If it fa…Read How often should a heat interface unit be serviced?Most buildings expect a heat interface unit to be serviced annually, but the honest answer is that it depends on your …Read Who is responsible for HIU repairs?It depends on your lease or tenancy agreement, and it varies genuinely between buildings. The common pattern is that t…Read HIU vs boiler: what is the difference?A boiler makes heat by burning fuel. A heat interface unit makes no heat at all: it takes hot water produced centrally…Read HIU replacement costOur labour to replace a heat interface unit is £750. The unit itself and the materials are priced separately, because …Read Smart thermostats with a heat interface unitUsually yes. A heat interface unit's heating circuit is controlled much like any other, so a smart thermostat that can…Read
Also worth a look: our common questions, and photographs of finished work.
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PHONE07444 756220WHATSAPPSend Anthony a photo of the jobEMAILmonganplumbingandheating@yahoo.comGOOGLE5.0 from 10 reviewsKatarzyna Olejniczak, on Google Redouan Garouaoui, on Google
HOURSMonday to Friday, 8am to 5pm
WHERE WE WORKRomford, Brentwood and East London
The plumber was really good. He fixed the HIU that was leaking. Now it doesn’t leak anymore, and everything works perfectly. He did a great job!
Good HIU service, knows his staff well and very quick and the gentleman even helped fixed error code on ambiente heating system, which was not part…