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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Understanding Relays With the 90-340

Relays can be used for many different control applications, including controlling fans, blowers, other relays, contactors, valves, dampers, pumps, and much more. A 90-340 is a very common, versatile relay that many techs have on their truck, so we will use it as an example. A relay is just a remotely controlled switch that opens […]

Heat Doesn’t Rise

We’ve all heard some version of the phrase “heat rises,” but is that really true? First, we need to remember that heat is energy, not matter. Heat is a force, not a thing. While heat may result in changes to matter (stuff), it isn’t matter itself. When we add heat to stuff, the molecules inside […]

The Basic Residential Maintenance for a Heat Pump / Electric System

I need to warn you… The following list is the actual process we use at the company I own for our typical “standard” residential maintenance. I’m sure you will find some things you do differently. Take it for what it is, and I’m happy to get any feedback you may have. Residential Maintenance: Outside Residential […]

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 […]