Zachary Ortwine Archives

Zachary Ortwine

Company name: Southeast Clean Air Solutions

Position: Owner

Zachary Ortwine is the owner of Southeast Clean Air Solutions and has 7+ years of full-time, field-based duct cleaning experience. He holds the following certifications:

National Air Duct Cleaners Association (NADCA): Certified Ventilation Inspector (CVI) and Air Systems Cleaning Specialist (ASCS)

National Comfort Institute (NCI): Duct System Optimization, Residential HVAC System Performance, Residential Air Balancing Certified

He is also a 3x previous speaker for NADCA Fall Technical Conference, a NADCA Scientific Committee member, and serves as part of the ASCS and CVI Exam Writing task forces.

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Thermal Balance Point vs. Economic Balance Point

The thermal balance point is the point at which a heat pump can move heat into the home at the same rate the home loses its heat. Above this point, the heat pump will not need any additional help to heat the home. But below it, the heat pump will need auxiliary heat with it […]

A Field Guide to Conductors for HVAC Techs

HVAC work is never just “HVAC” work. One minute you're brazing copper, and the next you're troubleshooting a blown fuse in a disconnect or running a new whip to a condenser. Because our trade is so varied, you never know what you're going to find when you open a service panel or crawl into an […]

Ohms/Continuity Basics

Some quick basics: An ohmmeter is used to measure the resistance to electrical flow between two points. The ohmmeter is most commonly used to check continuity. Continuity is not a “measurement” as much as it is a yes/no statement. To say there is continuity is to say that there is a good electrical path between […]

Ethical Duct Cleaning

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Duct Cleaning Training with Zach Ortwine

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Can You Coat Fiberglass?

In this episode of the HVAC School Podcast, Bryan interviews Zach about duct coatings and their applications in HVAC systems, particularly focusing on the Hardcast RE500 product. The discussion delves into the importance of proper duct coating applications and their benefits for both contractors and customers. Zach, who has extensive experience in duct cleaning […]

Duct Cleaning – How Long & How Often?

In this episode of the HVAC School podcast, Bryan interviews Zach from Southeast Clean Air Solutions about the intricacies of professional duct cleaning. Zach specializes in addressing duct cleaning challenges specific to the Southeastern climate, with a particular focus on fiberglass-lined ducts. The conversation delves into the complexities of cleaning different types of duct […]

Can Ducts Be Cleaned Ethically?

In this episode of the HVAC School Podcast, Bryan interviews Zachary Ortwine, a duct cleaning professional who provides insights into ethical duct cleaning practices. The conversation delves deep into the complexities of cleaning different types of ductwork, the importance of proper assessment, and the potential challenges in maintaining indoor air quality. Zach emphasizes the […]