Climate change has an undeniable affect on indoor air quality. This lesson covers the basics of climate change and explains how changes in the natural environment incite changes in the built environment.

Gain a foundational understanding of core building science principles in this comprehensive lesson.

This foundational lesson reviews the various components of a house and explains how they work together as an interdependent system.

In this lesson, you’ll learn best practices for maintaining a safe job site and workplace to protect yourself, your team, and your customers.

Understanding the house as a system is integral to home and HVAC performance. Learn how the house works as a system and how that system affects energy efficiency, occupant health and safety, and more in this lesson.

This lesson covers the existing mechanical conventional systems and explains how they interact with each other and other systems within a home.

More and more homeowners are asking questions about heat pumps, and expect you to be able to explain complicated HVAC technology clearly and simply. This lesson introduces you to the basics of ducted heat pump, mini split, and geothermal operation.

Mitsubishi Electric is one of the leading HVAC manufacturers in the country—learn more about their technical specifications, best installation practices, and more.

Energy efficiency homes are often connected to smart thermostats, which can control HVAC systems and ensure healthy home operation. In this lesson, you’ll learn about the fundamentals of smart thermostat technology and low voltage wiring requirements.

Properly sized heating and cooling loads are essential to healthy home operation—learn more about Manual J calculations and how to plan for an efficient duct system.

This class covers the ins and outs of ductwork installation, including duct sealing and insulation, showing how installation quality can dramatically affect HVAC performance and efficiency.

Covers best practices for high quality whole house fresh air ventilation system installation, including design, common errors, and testing.

Covers energy efficient plumbing upgrade basics including tankless and heat pump hot water heaters, water-saving faucets, toilets, showerheads, and more.

Controlling humidity levels improves indoor air quality and reduces the risk of mold and moisture problems in a home. This lesson explains the basics of air dehumidification.

In a well-sealed, air-tight home, ventilation is incredibly important—learn more about how the bathroom is one of the most common areas where moisture problems occur and why properly functioning bath exhaust fans are so important to healthy home operation.

Learn the proper steps to take when preparing an interior and exterior job site.

Mitsubishi Electric is one of the leading HVAC manufacturers in the country—learn more about their technical specifications, best installation practices, and more.

Energy efficiency homes are often connected to smart thermostats, which can control HVAC systems and ensure healthy home operation. In this lesson, you’ll learn about the fundamentals of smart thermostat technology and low voltage wiring requirements.

This class covers the ins and outs of ductwork installation, including duct sealing and insulation, showing how installation quality can dramatically affect HVAC performance and efficiency.

Fresh air systems are one of the essential components of a healthy home. Learn more about the fundamentals of ventilation system operation, including ERVs and HRVs.

Covers energy efficient plumbing upgrade basics including tankless and heat pump hot water heaters, water-saving faucets, toilets, showerheads, and more.

Get up to date on the latest in whole home dehumidifer installation techniques and recommedations for improved indoor air quality and healthy home services.

Learn the right way to install bathroom exhaust fans to maximize efficiency and ventilation.

This class covers important techniques for proper duct cleaning and santizizing to ensure high indoor air quality and a healthier home.

Duct leaks can affect a home’s energy efficiency and air quality—learn how to improve ductwork airflow, reduce air pollutants, and avoid energy waste by repairing leaks.

Aerosealing ductwork can be an effective way to seal duct leaks. Learn when should you use it, how it works, and when it would be better to manually seal duct leaks.

Whole house filtration can significantly reduce air pollutants and improve indoor air quality—this lesson explains the different types of filtration systems and how to install them.

From toolboxes to carpentry skills, this course reviews the essentials that any health home contractor technician or employee might need while performing common home services.

Learn best practices and recommendations for safely transporting equipment and tools to and from job sites.