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energiSava® 500

Ultra Efficient Whole House Heat Recovery System

Ideal for large sized dwellings, the energiSava® 500 combines exceptional performance and the lowest energy consumption. Highly effective at reducing indoor pollutants and improving indoor air quality, the unit runs continuously to provide optimum ventilation all year round.

Key Features

  • Energy Efficient
    Energy Efficient

    Delivering up to 90% thermal efficiency.

  • Frost Protection
    Frost Protection

    An intelligent frost protection system prevents the heat exchange from freezing when cold outside.

  • Summer By-Pass
    Summer By-Pass

    Benefiting from a temperature controlled integral summer by-pass as standard.

  • 3 Year Warranty
    3 Year Warranty

    High quality products for peace of mind, saving time, money and hassle.


Exceptional Performance

Independently tested by the BRE and recognized in the UK Product Characteristics Database in SAP Appendix Q, the energiSava® 500 is suitable for properties with kitchen plus 7 additional wet rooms, delivering maximum airflow of 144l/s at 100Pa with a low Specific Fan Power down to 0.39 W/l/s and high thermal efficiency of up to 90%.

Ease of installation

With a lightweight design for easy handling, the energiSava® 500 offers innovative features for hassle-free installation. With a quick fit mounting bracket and easy spigots connecting directly to 125mm and 150mm ducting with low resistance port adaptors, the unit incorporates independent fan adjustment for straightforward commissioning.

Intelligent Controls

The energiSava® 500 comes with an LED status indicator displaying what mode the unit is operating in, including a filter and fault indicator. The Boost Alert function on the display is a timer designed to prevent the unit from being accidentally left in Boost mode for long periods of time. Once the unit is placed in Boost the timer is activated and after 2 hours the LED on the display will start to flash, notifying the user to switch off the Boost.

Summer Bypass

The energiSava® 500 incorporates a fully automatic 100% airflow diverting Summer Bypass to operate during hot periods. This routes the pre-heated extracted air around the heat cell and out to atmosphere, allowing the cooler, fresh air to be supplied directly into the property. A Summer Kickup Mode is also available which allows both the supply and extract fans to operate at full speed whenever the Summer Bypass is activated. During cold weather, the automatic Frost Protection reduces the supply ventilation rate to prevent ice build-up within the heat cell.

Integral Humidity Sensor

The unit runs continuously 24 hours a day and incorporates an integral humidity sensor which monitors the relative humidity (RH) of the extracted air and triggers Boost speed when it rises over the set trigger point, variable from 55% RH to 85% RH.

Product Codes
Product Code
Product Name
Product Description
energiSava 500
Standard (Right Handed Version)
energiSava 500
Standard (Left Handed Version)
Product Specification

Performance Curve

Dimensions (mm)

Related Documents
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