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HVAC School - For Techs, By Techs

Jan 30, 2025

In this episode of the HVAC School Podcast, Bryan shares his perspective on the growing trend of private equity buyouts and investments in the trades, particularly in home services businesses. He addresses the "buyout epidemic" with a balanced view, acknowledging the significant financial opportunities these deals...


Jan 28, 2025

In this short podcast episode, Bryan talks about the standing pilot gas systems and the ignition strategy in gas-fired appliances. 

Standing pilots are very simple devices that are common in fuel logs, water heaters, and some pool heaters. These devices have a thermocouple or thermopile; in a thermocouple, two dissimilar...


Jan 23, 2025

Jim takes us all the way through the history of furnaces, from the Stone Age when he was a child to modern modulating condensing types.

The goal of a furnace is to move heat, so a furnace uses heat exchangers to facilitate heat transfer. Furnaces have primary and secondary air. The primary air goes through the burner,...


Jan 21, 2025

In this short podcast episode, Bryan talks about heat exchangers and temperature rise in gas furnaces, especially 80% open-combustion gas furnaces.

Temperature rise is the difference between the return air temperature and supply air temperature; in cooling, we usually refer to this difference as a delta T or temperature...


Jan 16, 2025

In this episode of the HVAC School podcast, Bryan shares his "Manufacturer Responsibility Manifesto," a document he wrote over two years ago but held back from publishing until now. The manifesto addresses growing concerns about the burden being placed on HVAC contractors, particularly smaller businesses, due to...