Instant Quote
Best for planning, foundations, budgets and quick kit pricing.
- Instant MVHR or MEV kit estimate.
- Basic airflow calculation based on your property details.
- Automatically builds a material list and price.
- Ideal for early-stage projects.

Product Part Number: 499641
The Vent-Axia Sentinel Econiq L is the latest flagship MVHR (Mechanical Ventilation with Heat Recovery) unit, designed for superior airflow and efficiency. Vent-Axia, the UK's largest manufacturer of heat recovery units, delivers a solution ideal for homes up to 360m².
Easy to install, SAP Appendix Q approved, and packed with smart control options, this unit is a top-tier choice for modern homes. Plus, when you buy from BPC Ventilation, you get a 5-year parts warranty and lifetime technical support.

The Sentinel Econiq S benefits from the latest high efficiency, ED/DC backward curved impeller design, ensuring the lowest possible energy consumption, ultra quiet operation and an exceptional performance range to houses with a floor area of up to 360m2
With a high performance of 600 m3/hr at 150Pa while still achieving almost 93% heat recovery. The fully automatic capability of the Econiq range means that adequate ventilation is always achieved.
The integral humidity sensor increases speed in proportion to relative humidity levels, saving energy and reducing noise. The sensor also reacts to small but rapid increases in humidity, even if the normal trigger threshold is not reached. This unique feature ensures adequate ventilation, even for the smallest wet room. The nighttime relative humidity setback feature suppresses nuisance tripping as humidity gradually increases with falling temperature.
A digital controller is supplied fitted to the unit allowing multiple options on programming and controllability, including 4 x Integral infinitely variable fan speed control on supply and extract there is also an optional kit allowing you to remove the controller from the unit and wall mount in your chosen location
There is also a pin number facility to prevent accidental resetting of commissioning settings
The Vent-Axia Connect smartphone application allows full control with a multitude of functions from automated to fully adjustable from the comfort of the sofa on iOS and Android smartphones
This unit can be electronically changed from right to left hand orientation
The 200mm Spigots may be re-positioned from a vertical to a horizontal connection or a combination of vertical and horizontal connection.
During hot weather you can activate the summer By-Pass that will only bring the filtered air in at external temperatures allowing you to naturally cool your home
The Lo-Carbon Sentinel Econiq is one of the quietest systems on the market, with a noise level as low as 15.5 dB(A). This is facilitated using an internal acoustic enclosure
The Vent-Axia Connect smartphone application allows a multitude of functions to be adjusted from the comfort of the sofa, available on iOS and Android.
The BMS capability is also ideal for those commercial applications where landlords or property managers want to monitor and optimise building performance and maintenance.
The Kinetic BMS can provide status information and its self-diagnostics can report if any fault is found.
The unit comes supplied with ISO 60% Coarse (G4) which can filter out sand, fine hair, and particles larger than 10μm.
Additional filtration can be achieved with a selection of optional supply air filters (extract still use G4)
For scenarios where a cooling facility is required the optional Econiq Cool Flow kit is available
Automatic frost protection effective to -20°C
Evening Fresh’ turns the unit to maximum speed with the bypass
operational for 2 hours or until the user comfort temperature is
reached (default 21°C).
Night-time Fresh’ will run the unit at maximum speed with the
bypass operational throughout the night or until the dwelling
reaches minimum temperature (default 14°C).

Enter a few basic details about the property below and we’ll calculate a suitable Ventilation system with an instant quote.
I can help with room counts, MVHR vs MEV, kit options and understanding your quote before you continue.
Bernie is a guide only. Please check your inputs before creating the quote.
Add the floor area and room counts for the property.
The system checks the required ventilation rate and builds the kit.
You’ll be taken to a full quote page with the kit breakdown and pricing.
Larger homes, complex layouts or systems requiring multiple units may be better suited to a manual layout guide.
For larger or more complex properties, our design team can review your plans and provide a free estimate with the most suitable system and kit configuration.