Home Owners leading their renovation or new construction projects should consider the role the heating and cooling systems have in the success of their project. While these systems are often very complex, an understanding of the options, constraints and limits is helpful.

Today Brad Keyes, a mechanical engineer and business owner practicing in the greater Boston area, helps us understand the basics of the design and construction of mechanical systems. Brad's firm, Keyes North Atlantic, Inc., has designed and installed unique HVAC systems for over 40 years.