The BIG Little MVHR – The next generation ventilation unit


The new HRV4 Q Plus Range brings impressive enhancements, maintaining a compact size only 600mm wide whilst significantly boosting performance and efficiency.

With an airflow up to 158 l/s (568 m3/h) at 100 Pa, this advanced system ensures optimal indoor air quality.

Additionally, the HRV4 Q Plus Range boasts a remarkably low Specific Fan Power, down to 0.38 W/l/s, demonstrating Titon’s dedication to energy efficiency and sustainability.

One of the standout features of the HRV4 Q Plus Range is its highly efficient heat exchanger, achieving up to 91% heat recovery. This outstanding recovery not only ensures superior ventilation but also aids in reducing energy consumption and associated costs.

The new HRV4 Q Plus Range measures 600mm (w) x 602mm (h) x 477mm (d), providing a compact and space-saving design for ease of installation in various building layouts. Moreover, it offers the convenience of Left or Right Hand on-site configuration, allowing for adaptable placement according to specific requirements.


HRV4 Q Plus Range Features

HRV4 Q Plus Range Features

  • Intelligent controller, quick and easy to commission
  • Fully adjustable boost overrun timer 0-60 minutes; use with non-latching (momentary) switches to prevent unit from being accidentally left in boost mode
  • Accepts 150mm diameter ducting, no adaptors required
  • Intelligent frost protection, stepped reduction of supply air rates prevents HRV unit from freezing
  • Setback facility to reduce ventilation where local regulations allow
  • ISO Coarse 85% (G4) filters as standard
  • Quick fix mounting bracket
  • IP32 rating
  • Patented
  • Independent fan adjustment
  • Effective in reducing pollutants in the home and improving Indoor Air Quality (IAQ), therefore reducing
  • Intelligent Summer Bypass & humidity controls
  • SUMMERboost® facility

HRV4 & HRV4.25 Q PlusHRV4 Q Plus  view the HRV4 Q Plus product page

  • Extremely low Specific Fan Power; down to 0.38 W/l/s
  • Highly efficient heat exchanger; up to 91%
  • Airflow up to 123 l/s (443 m3/h) @ 100 Pa

HRV4.25 Q Plus  view the HRV4.25 Q Plus product page  

  • Extremely low Specific Fan Power; down to 0.43 W/l/s
  • Highly efficient heat exchanger; up to 91%
  • Airflow up to 158 l/s (568 m3/h) at 100 Pa


HMB – Filter Access Model

HMB – Filter Access Model

Product Breakdown

Eco HMB Models:

  • aura-t™ controller available as standalone only
  • Fitted with removable filter covers on the front panel

Eco B2 Models:

  • aura-t™ onboard as standard
  • Front panel; drop down filter flap panel or removable filter covers option available

    B2 Model - Drop down filter access model

    B2 Model – Drop down filter access model

  • WiFi compatibility with aura-t SMART (WiFi) controller
  • On site configured to either a LH or RH
  • Full MODBUS connectivity
  • BMS compatible via RS485 (subject to limitations, additional software requirements and specification with any order)
  • Low voltage switching (x 3) and live switch (x 2)
  • 4 x 0-10v proportional inputs for local demand control room sensors
  • Duct Pre-heater control (requires independent power supply)

For product codes and specific performance information, visit the individual product pages for HRV4 Q PlusHRV4.25 Q Plus


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