Five most common problems with Mechanical Heat Recovery (MVHR) Units

MVHR Schematic showing how warm ambient air can affect the accuracy of the Heat Exchanger Efficiency

Modern homes are shifting towards increasing levels of airtightness in order to secure heat-saving benefits. With increasing levels of airtightness comes a need for a ventilation strategy. For Passivhaus, this means an MVHR system. Heat from the home is lost in two ways: through the fabric elements as it passes through our walls, windows, doors, … Read more