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Insulation

Sustainable Architecture Toronto

The money you put towards the quality of the insulation and windows can offset the costs and complexity of your heating and ventilation system.

As your heating and cooling requirements drop so do the complexity of your mechanicals.  A typical code-based home uses over 100kWh/m2a for heating.  Once you get between 30 and 15kWh/m2a your options for heating open up.  In a small building the simplicity of electric base board makes sense despite higher electrical costs.  For least use of electrical, an air to air heat recovery system makes sense when a larger system is required.  To consider alternatives to standard mechanical systems you will require in the range of R40-R60 levels of insulation throughout the building.