HRV 10.25M Q Plus

Mechanical Ventilation with Heat Recovery unit (MVHR)

For use in medium to large sized dwellings

HRV10.25M Q PlusThe HRV10.25M Q Plus continuously running whole house ventilation unit with heat recovery has been specifically designed to give improved performance over older models, in line with new build design requirements.

Combining extremely low power consumption and a highly efficient heat exchanger specifically designed to enhance SAP performance via Appendix Q and can be incorporated into larger apartments or dwellings.

The Eco versions offer a 100% airflow diverting Summer Bypass, recognised and listed in the UK Product Characteristics Database. They also include intelligent humidity options and can be fitted with the auralite® status indicator (HMB or B Models) or the auramode®aurastat® and aura-tTM controllers (B models only).  

Features & Benefits

  • Extremely low Specific Fan Power of 0.39 W/l/s
  • Highly efficient heat exchanger; up to 90%
  • Lightweight EPP construction giving high levels of thermal insulation
  • Accepts 150mm or 125mm diameter ducting
  • Independent fan adjustment
  • Intelligent frost protection, stepped reduction of supply air rates prevents HRV unit from freezing
  • Setback facility to reduce ventilation where local regulations allow
  • Fully adjustable boost overrun timer 0-60 minutes; can be used with non-latching (momentary) switches to prevent unit from being accidentally left in boost mode
  • Intelligent controller, quick and easy to commission
  • EPP moulded 150-125mm low resistance insulated port adaptors included as standard
  • Lightweight for easy handling
  • Volt free switching control
  • Pleated G4 filters as standard. F7 on request (standard unit only)
  • Quick fix mounting bracket
  • Patented features
  • Effective in reducing pollutants in the home and improving Indoor Air Quality (IAQ), therefore reducing the risk of Toxic Home Syndrome

Eco versions;

  • Intelligent Summer Bypass & humidity controls
  • SUMMERboost® facility

Eco HMB Models;

Eco B Models;

For explanations of HRV features, click here.

System 4









Exhaust Terminal
Fan Speed
Specific Fan
Efficiency (%)
Kitchen + 1 additional wet room 100% variable 0.41 90
Kitchen + 2 additional wet rooms 100% variable 0.39 90
Kitchen + 3 additional wet rooms 100% variable 0.43 88
Kitchen + 4 additional wet rooms 100% variable 0.48 87
Kitchen + 5 additional wet rooms 100% variable 0.55 87
Kitchen + 6 additional wet rooms 100% variable 0.64 86
Kitchen + 7 additional wet rooms 100% variable 0.75 85

Figures taken from the BRE Test Results.

*Number of wet rooms is based on SAP Q test criteria and does not correlate directly with regulatory performance requirements.

Noise Performance - details on request

Performance of the Eco versions may differ slightly and are available on request.


Product Code

HRV10.25M Q Plus HMB Eco auralite® ready  - TP443HMB - Energy Rating A
HRV10.25M Q Plus B Eco aurastat® ready  - TP483B - Energy Rating A

XP44023/099 - G4 Bypass filter set fitted as standard


Conforms to requirements of UK statutory Building Regulations and Technical Standards for Ventilation and BRE 398
SAP Appendix Q tested (
Exceeds requirements of Building Regulations Approved Document L (England & Wales)  
EU RoHS Directive compliant  
Conforms to requirements of EC council directives relating to Electromagnetic Compatibility and Electrical Safety: 2006/95/EC (LVD)
2004/108/EC (EMC)
EN 60335-1:2002/A2:2006
EN 60335-2-80:2003/A1:2004
CE Marked.
Other non-UK info available on request


Dimensions: HRV10.25M Q Plus 800mm wide x 675mm high (excluding ports) x 495mm deep (505mm with mounting bracket).
Weight: HRV10.25M Q Plus – 31.5kg
Finish: HRV10.25M Q Plus – White Paint
Materials: Expanded polypropylene (EPP), Heat Exchanger – Polystyrene, Internal Insulation – Closed cell foamed, Nitrile rubber, class ’O’ fire rating
Standard filters: Grade G4 pleated panel filters. NB: Except HRV10.25M Q Plus
Housing: Zintec sheet steel, powder coated.
Guarantee period: 3 years (UK only)
Electrical: 230V ~ 50/60Hz, 5A fuse
Installation: Install in accordance with Good Practice, such as the Domestic Ventilation Compliance Guide (England & Wales) and the Residential Ventilation Association recommendations.
Maintenance: Service and filter clean/replacement subject to local environment - see Product Manual.

More information / 01206 713800


Nominal fan performance - Eco Version

HRV10.25 Q Plus performance graph

*@FID (0 Pa)
All units offer 100% variable speed control