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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Living in a World of Acids (and why HVAC coils are secretly crying for help)

Imagine a small IT room packed with servers, monitors, and humans. CO₂ levels easily spike to over 3000 PPM since the room lacks fresh air ventilation. Two overworked mini-split units churn away, cooling the space and unknowingly creating the perfect acidic environment. Fast forward a few months, and those shiny coils now resemble something pulled […]

HVAC/R Refrigerant Cycle Basics

This is a basic overview of the refrigeration circuit and how it works. It isn't a COMPLETE description by any means, but it is designed to assist a new technician or HVAC/R apprentice in understanding the fundamentals. First, let's address some areas of possible confusion: 1. The word “condenser” can mean two different things. Many […]

Shielded Control Cable & Communicating Controls

When I first started in the trade, we used to run into shielded control wires on the Carrier Comfort Zone 1 zoning systems and also on a Carrier VVT system I used to maintain at a bank. I knew it had something to do with electrical “noise” and that communicating systems often called for it, […]

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 […]