• We Cover London
  • Mon-Fri 9am-5.30pm
    Sat 9am-1.30pm
    Sun Closed
Call Us

0203 444 0554



Keep your Heat Interface Unit Running Efficiently

Keep your Heat Interface Unit
Running Efficiently

Your Satisfaction is Guaranteed. Schedule a service today.

Your Satisfaction is Guaranteed. Schedule
service today.

0203 444 0554

Certified - Vetted - Insured

Affiliated and Accredited

HIU Installation & heating Upgrades

RBG offer various upgrades to your system to improve efficiency. Whether you are looking to install a new HIU or want to control your heating remotely with a Smart Thermostat and TRV's, we are able to help!

HIU Repair

We are experienced in working with industry leading models, including SAV Systems, Switch2, Evinox and Wilson, popular amongst developments across London. RBG Services will diagnose and repair your HIU in a professional and efficient manner.

HIU Service

An RBG Services HIU Service ensures the continued efficiency of your heating system. All manufacturers recommend appliances to be serviced annually.

Request a Quote

Free quotations for our local customers.

Call 0203 444 0554

Having problems with your HIU? No heating? No hot water? Call us now.

HIU Finance available? Installation and repair

Finance available through Phoenix.

Your HIU experts

Quality Heat Interface Unit Services

RBG Services provides HIU repairs, HIU Installations (Finance Available), HIU Service and fault finding to properties across London. We are London’s longest standing independent HIU repair, installation, service and maintenance company!

The majority of new build multi-dwelling developments now benefit from localised heat transfer units, called Heat Interface Units (HIU), which are designed to operate in conjunction with a centralised boiler plant or district heating system. RBG Services provides HIU repair, HIU installation, HIU service and maintenance and fault finding to the secondary system including radiators, radiator valves (TRVs), room thermostat and programmer issues (Danfoss, Honeywell), zoning issues (motorised valves), thermostat upgrade (Danfoss, Honeywell including smart roomstats; NEST, Hive), HIU pressure issues, HIU leak, Magnaclean Filters, power flushing and more.

Contact Us

We Specialise in:

Our HIU Specialists are:

Certified - Vetted - Insured

Affiliated and Accredited