Expanding your home with an addition is a costly, yet necessary endeavor for a lot of Toronto home owners who have growing families or space needs. However, one crucial consideration often overlooked is how a home addition will affect your home's heating, ventilation, and air conditioning (HVAC) system. While it may seem convenient to extend your existing HVAC ductwork to cover heating and cooling needs for the new space, adding a second and dedicated HVAC system for the addition can offer numerous benefits. In this article, we'll outline why adding a second HVAC system to your home addition project might become a huge benefit to your newly-constructed home in Toronto (and beyond).