Energy efficiency and indoor air quality are both desirable features in a home. Energy efficiency creates a healthier environment for your family.
HVAC systems account or the largest share of energy consumption in most residential homes. In addition, indoor air quality is strongly dependent on HVAC performance. This means a good HVAC design is fundamental to achieve both energy efficiency and IAQ in your home.
Although IAQ does not impact your homes efficiency so much on the money side it makes all the difference in the homes ability to produce and maintain safe and clean air. Home builders have to meet certain codes which ensure that the home is safe to live in but there is A TON of room for improving the quality of air you breathe above and beyond these codes.