ModuSat Heat Interface Unit HIU Range

ModuSat® Smart HIU Range

Our range of ModuSat® Smart Interface Units for district and communal systems are designed and developed by us in the UK and manufactured in our own production facility.


Units suit a variety of applications such as:

  • Small flats
  • Communal housing developments
  • Large luxury apartments
  • Sheltered accommodation
  • Student accommodation

Contact us

Contact us on 01372 722277 for further information or a quotation.

ModuSat® XR & XR-ECO Twin Plate
Heat Interface Units

  • Indirect high efficiency heating and instantaneous Domestic Hot Water (DHW)
  • Units to suit a range of typical apartment sizes
  • Suitable for Radiator and Underfloor Heating systems
  • Compact and wall mounted to fit perfectly in a utility room or kitchen cupboard
  • Independently Tested to the UK Standard for HIUs from BESA
  • Fast and Responsive DHW Performance
  • Designed for Modern Low Temperature Heat Networks
  • Low DHW Return Temperatures

ModuSat XR Twin Plate Heat Interface Unit
ModuSat FS with Tank heat interface unit

ModuSat® Floor Standing (FS) Heat Interface Units with Integrated Hot Water Storage Tank

  • Range includes models with 80, 150, 200, 300 and 400 litre integrated tanks
  • Indirect high efficiency heating and Stored Domestic Hot Water (DHW)
  • Suitable for Radiator and Underfloor Heating systems
  • Independent fast recovery hot water
  • Ideal for high-end apartments due to the high capacity and back-up stored water
  • Suited to student halls of residents with clusters of accommodation
  • Control of two output temperatures

ModuSat® XR Combined Heating, Domestic Hot Water and Cooling (CHHC) interface Units

  • Simultaneous heating and cooling and the instantaneous production of hot water.
  • Designed to simplify apartment installations where cooling and heating is required
  • Layout minimises the required cupboard space (units can easily be wall mounted above a washing machine)
  • Easy access for maintenance requirements
  • Fully insulated separation between hot and chilled zones in the unit
  • Floor standing or wall mounted models for a wide number of installation configurations
  • Simple and tidy installation of unit and metering system
ModuSat CHHC heating and cooling interface unit
ModuSat SPH heat interface unit

ModuSat® Single Plate Heating Only (SPH) Interface Unit

  • Indirect high efficiency heating
  • compact and wall mounted to fit perfectly in a utility room or kitchen cupboard
  • Suitable for Radiator and Underfloor Heating systems
  • Suited to commercial buildings and high end residential dwellings due to the ability to supply high capacity loads to meet demand

ModuSat® XR Single Plate Domestic Hot Water
(SP DHW) Interface Unit

  • Instantaneous Domestic Hot Water
  • Compact and wall mounted to fit perfectly in a utility room or kitchen cupboard
  • Fast and Responsive DHW Performance
  • Low DHW Return Temperatures
  • Suited to residential buildings with existing heating provision such as Electric storage systems
  • Can be installed in Hotels for DHW where VRF systems supply Heating & Cooling
ModuSat XR SP DHW interface unit
ModuSat SP Cooling interface unit

ModuSat® Single Plate Cooling (SPC) Interface Unit

  • Provides cooling for dwellings and commercial buildings served by a communal or district system
  • Unit supplied via primary chilled water from centralised plant
  • Compact and wall mounted to fit perfectly in a utility room or kitchen cupboard
  • High grade insulation fitted as standard on internal components

Smart Heat Interface Units

What is a Smart HIU? Well, at Evinox we believe it’s an electronically controlled unit that can deliver all the requirements of a modern energy efficient heat network. Here’s just some of those features –

  • Designed for Modern Energy Efficient Heat Networks
  • Smart Connected Control – Units Internet Connected for Remote access
  • Flexible Metering & Billing with Integrated Pre-payment Technology
  • Electronic Onboard Controls – Using PICV’s, fast acting actuators and PID logic
  • Smart Room Controls & Energy Display Device
  • Remote Warranty Validation & Service & Maintenance
Typical Heat Network Apartment Block with HIUs

Discover how Evinox Energy can deliver the best Heating Interface Unit solution for your next new build or refurbishment heat network project

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Evinox-Headers-Battersea Power Station

Heat Networks

  • District and Communal Heat Networks
  • Delivery of low carbon heating
  • Heat Interface Units
  • Energy Metering and Billing
  • Service and Maintenance
Evinox background

Energy Metering & Billing

  • Credit Billing Services
  • PaySmart® Pre-payment System
  • Billing Solutions for Non Evinox Equipment
  • Heat Network (Metering & Billing) Regulations 2014 Advice and Guidance
  • Domestic Heat Meters and Point of Entry & Bulk Meters
Evinox installed communial heating

Service & Maintenance

  • Heat Interface Unit Service & Maintenance
  • Plant Room – Planned Preventative Maintenance (PPM)
  • ModuSat® Heat Interface Unit Enhanced Warranty Cover
  • Combined Packages for Metering, Billing and Service & Maintenance
  • Domestic Boiler Service & Maintenance