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Energy Recovery System (ERS) / Xchange by Unovent
Description

The Hometech Energy Recovery System (ERS) ventilates with clean, fresh air and reuses 65% of the energy from the air as it is extracted saving on heating or cooling costs.

Key Features
  • The ERS/Xchange is designed to detect the level of humidity in the building, by way of a humidity sensor in the keypad
  • Exhausts damp, foul air and odours from the building, improving the air quality
  • Ventilates with tempered air creating a drier environment making buildings easier to heat or cool
  • The Hometech balanced ventilation system minimises dampness and condensation and leads to a healthier environment by working to expel indoor humidity that can promote the build-up of mould and mildew
  • Energy efficient: maximises any wasted heat in a building, and the energy demand is equivalent to a 100w lightbulb
  • Recovers 65% of energy from outgoing air to incoming fresh air — maximising any wasted heat from the building
  • Efficient, durable, polypropylene heat exchanger core with a lifetime warranty
Categories
Natural Ventilation
Scope of Use

The ERS / Xchange balanced ventilations system is suitable for more extreme climate ares such as Central Otago and Central Plateau. 

  • ERS150: Suitable for homes up to 230m²
  • ERS170: Suitable for homes up to 300m². This model can also have a damper switch option (ERS170D)
Statement of Building Code Compliance

Hometech's Energy Recovery System complies with New Zealand Building Code compliances as follows:

  • NZBC E2/AS1: External Moisture
  • NZBZ G4/AS1: Ventilation
  • NZBC G9/VM1: Electricity
  • ASNZS 60335.2.80: Household and similar electrical appliances. Safety: Electricity (safety) regulations 2010
  • Flashings: Roof penetrations
  • To NZBC E2/AS1, 8.4.17: Roof Penetrations. Formable grade flashings, material to match selected roofing, to the same standards as the profiled sheets, notched where across profile, in accordance with Hometech recommended details.
  • Exterior penetrations
  • To NZBC E2/AS1 as consistent with project requirements and in accordance with HomeTech recommended details
In-Service History

Hometech's ERS/Xchange balanced ventilation systems have been installed in homes affected by the Auckland International AirportLtd (AIAL) Noise Mitigation programme since August 2016.

Other Performance Attributes
  • Energy demand is equivalent to a 100w lightbulb
  • Recovers 65% of energy from outgoing air to incoming fresh air
  • Efficient, durable, polypropylene heat exchanger core with a lifetime warranty
E2 External Moisture compliant
External Moisture
G4 Ventilation compliant
Ventilation
G9 Electricity compliant
Electricity
Documents
CAD/PDF
Product Technical Statement

Hometech are on a mission to further improve Kiwis’ quality of life by improving the spaces they live and work in.

Product Enquiries

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