Aug 31, 2023
Roman Baugh joins the podcast to talk about oil return and the refrigerant charge in VRV systems.
VRV systems—also known as variable refrigerant volume (or variable refrigerant flow/VRF) systems—have one outdoor unit, one or multiple compressors, and multiple indoor units. The outdoor unit modulates to meet the...
Aug 29, 2023
In this short podcast, Bryan talks about oxidation and all the buzz behind “magical air-cleaning oxides” and other similar IAQ products.
Oxidation is the loss of electrons, and reduction is the gain of electrons; oxygen commonly loses electrons. Rusting is a common example of oxidation; it happens when iron and...
Aug 22, 2023
In this short podcast, Bryan talks about filtration and IAQ, especially as they relate to virus control. He also answers the age-old question: “Can filters capture viruses?”
While it may seem like particle size matters when it comes to filter efficacy, filters are not nets that strain air particles and prevent...
Aug 17, 2023
Joey Henderson returns to the podcast to talk about heat pumps and inverters.
The reversing valve, defrost cycles, and auxiliary heat can cause confusion for people who have primarily worked with furnaces or straight-cool A/C systems. Heat pumps use defrost cycles and bring on the auxiliary heat when the coil is...
Aug 10, 2023
Joey Henderson joins the podcast to talk about airflow and how we can get air where it needs to go.
Duct design is one of the subjects that fuel Joey's passion for HVAC. In many cases, people focus too heavily on the equipment when diagnosing airflow problems; sometimes, the equipment simply can't perform as it should...