Shutters are highly efficient in moderating the environment between indoor spaces and the outdoors. A perfect solution for a broad range of climates, shutters not only prevent solar heat gain in summer and allow light and air to enter the interior space, but also provide an extra layer of insulation in winter.

Windows have a major impact on the thermal efficiency of a home: Up to 87 per cent of heat can be gained and 40 per cent of heat lost through windows, which means that appropriate window coverings can effectively insulate a home and minimise the residents’ dependency on mechanical ventilation or expensive air-conditioning and home heating systems.

However, while any type of shutter will contribute to keeping heat out in summer and heat in during winter, the material make-up of the shutter is an important factor in determining its ability to insulate.

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OpenShutters recommends Western Red Cedar for its durability, appearance and environmental characteristics, as well as its proven potential for efficiently insulating your home.

Western Red Cedar provides the highest level of thermal insulation compared to brick, concrete and steel. When measuring the temperature difference between indoors and outdoors over a 9.5-hour period, Western Red Cedar led in performance in comparison to other kinds of shutters. It managed to achieve a 32.1 per cent difference, meaning that it reduced heat gain or heat loss indoors by almost a third. Its closest competitor, basswood shutters came up 4.4 per cent short; in fact, Western Red Cedar’s efficiency was double that of curtains. 

With its low-density cellular structure creating air spaces, Western Red Cedar delivers excellent insulation performance – better than any available softwood.

Get in touch with OpenShutters to discuss the best options for your home.