#scroll

Tech Tips:

Courtesy of Copeland The design goal of most modern compressors is to make them more efficient and better able to match loads, hopefully without reducing ruggedness. The Copeland Scroll Digital™ or digital scroll is one compressor design that has become very popular due to its simplicity and versatility. But before we go further, let's define […]

Scroll Compressor Pump Down, Megohm Test & Fusite Terminals

This tip will be like an episode of Columbo; we will start with the what and who and then get to the why. Don't pump down a scroll into a vacuum. Don't run a scroll in a vacuum. Don't run a high voltage megohmmeter or Hi-pot test on a scroll (As a general rule, don't […]

Scroll Compressors & Things to Check for Overheating

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#compressor #fusite #pump down #scroll #vacuum

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Our latest Podcast

HVAC School – For Techs, By Techs

Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Including recorded tech training, interviews, diagnostics and general conversations about the trade.

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 systems, highlighting the significant variations in time, technique, and approach depending on the duct materials and home configuration.

The discussion reveals that duct cleaning is far more nuanced than many homeowners realize. A typical residential duct cleaning can take between six to eight hours, with metal ductwork being significantly faster to clean than flexible ducts or fiberglass-lined systems. Zach emphasizes the importance of careful cleaning techniques, especially with delicate flex ducts that can easily be punctured or damaged during the cleaning process. He recommends a two-person approach, with one team member working inside the home and another in the attic or crawl space to ensure thorough and safe cleaning.

Beyond the cleaning process, the podcast explores critical maintenance strategies for maintaining clean and efficient HVAC systems. Zach and Bryan discuss the importance of proper filtration, home maintenance, and understanding when duct cleaning is truly necessary. They challenge the common misconception of a fixed cleaning schedule, instead advocating for system assessment based on specific conditions like household dust, humidity, and the health needs of home occupants.

Key Topics Covered:

Duct cleaning techniques for different duct materials (metal, flexible, fiberglass-lined)
Time requirements for professional duct cleaning
Challenges of cleaning ducts in various home configurations
Importance of proper filtration and maintenance
Factors determining duct cleaning frequency
Risks associated with poorly maintained duct systems
Two-person approach to thorough and safe duct cleaning
Specialized considerations for homes in humid climates
Post-cleaning sealant application for fiberglass-lined ducts

Learn more about NADCA and find certified duct cleaning contractors at https://nadca.com/.

Have a question that you want us to answer on the podcast? Submit your questions at https://www.speakpipe.com/hvacschool.

Purchase your tickets or learn more about the 6th Annual HVACR Training Symposium at https://hvacrschool.com/symposium. Subscribe to our podcast on your iPhone or Android. Subscribe to our YouTube channel. Check out our handy calculators here or on the HVAC School Mobile App for Apple and Android.