Genry Garcia is the owner of Comfort Dynamics Inc., an HVAC contracting business specializing in building performance, repairs, and new installations for climate zone 1. He has written several HVAC School articles about zonal pressure diagnostics, blower door testing, and equipment sizing.
As of January 1, 2026, refrigerant regulations in the United States have undergone YET ANOTHER big shift. Per Subsection H of the American Innovation and Manufacturing (AIM) Act, which was passed by Congress and signed into law in December 2020, the Environmental Protection Agency (EPA) has officially expanded leak repair and recordkeeping requirements to a […]
This is a recap of the 7th Annual HVACR Training Symposium session, with a few key themes and takeaways. If you missed the symposium but find some topics of interest in this tech tip, you can still purchase a virtual ticket at hvacrschool.com/symposium. You must be logged in to your account with a ticket to […]
This tech tip was heavily inspired by one aspect of Rick Sims’s 2021 HVACR Training Symposium session titled “Conductsation.” The entire presentation is worth a watch, but the advice in “Conductsation” and this tech tip are tailored to hot, humid climates. The contents of this tech tip may NOT work for colder climates. Dr. Allison […]
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Nikki Krueger and Genry Garcia return to the podcast to talk about a recent IAQ & dehumidification case study on a vintage home in Miami. The home was very clean but had a musty odor and VOC concerns. You can read the case study in the “Literature” section at https://www.santa-fe-products.com/about-us/media-resources/. Blower door tests and ZPD […]
Genry Garcia joins the podcast to give an intro to ASHRAE Standard 62.2. He and Bryan also share a nice rant about accountability in HVAC design. Standard 62.2 is the ventilation standard for low-rise residential buildings, which dilutes airborne contaminants like VOCs and CO2. Before coming up with a ventilation strategy, we need to […]
Genry Garcia returns to the podcast to talk about blower doors and why ACH50 may needlessly complicate efforts to tighten a building envelope. A large element of indoor comfort comes down to controlling the load, especially the latent load. Even though we can control indoor humidity sources, we may also deal with infiltration, which contributes […]
Genry Garcia is the owner of Comfort Dynamics Inc., an HVAC contracting business specializing in building performance, repairs, and new installations for climate zone 1. He has written several HVAC School articles about zonal pressure diagnostics, blower door testing, and equipment sizing.
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