If you are designing a new or remodelled energy-efficient home, HRV should be your first choice! These units are designed to exchange the stale, moist air from within your home or building for fresh air from outside without losing too much heat. Our team can install aesthetically pleasing units that limit the need for too much storage space.
What’s the Problem?
Modern homes are usually built to far higher technical standards than the buildings constructed a few decades ago. These homes and much more energy efficient, thanks to better heat insulation! There’s no denying to the fact that our homes need regular changes of air to keep them healthy. Baths and showers, doing the dishes, drying clothes indoors and even simple breathing produce astonishing amounts of water inside our homes. According to reports, a typical family produces 10-15 litres (3-4 gallons) of moisture every day! Let these problems go unchecked, and you will get problems like mould and mildew, dust mites and a greater risk of asthma.
What Is a Heat Recovery Ventilation System?
HRVs consist of two ventilation ducts that run next to each other passing between the inside and outside of the house. One duct carries cool, fresh air in whereas the other carries moist, stale air out. The airstreams run through the heat exchanger, a device that allows the outgoing air to pass most of its heat to the incoming air without actually mixing the two airstreams together. The system also has a fan (blower) in each duct that can be turned up or down either manually or automatically depending on the temperature and humidity levels.
How Does It Work?
Our bodies are a bit like our homes. As a child, all of us have learned that it’s always better to breathe through our nose than through the mouth because our nose warms and filters incoming air. What the nose actually does is called heat exchange (technically, regeneration): outgoing air warms the nasal passage as it leaves; cool incoming air picks up some of that same heat energy on its way into the lungs. As a result, the air we breathe in is warmer than it would otherwise be, while the air we breathe out is cooler and (among other things) that helps our body to retain heat energy.
Advantages of HRV Systems
HRV systems give you a warm, well-ventilated home by bringing fresh air in without letting the heat escape. Take a look at some of the other benefits below:
Their disadvantages include:
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