Genry Garcia
Company name: Comfort Dynamics Inc.
Position: President

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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Tech Tips written:

Air Changes Confusion
Air changes per hour (ACH/ACPH) simply describes how many times the total quantity of air in a room (or structure) is completely replaced per hour. If you have a 10'x10'x10′ room, the room contains 1000 cubic feet of air. If the supply and return to the room provide a balanced 100 CFM (cubic feet per […]
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Non-Invasive Testing: A Smarter Approach to System Diagnostics
This tech tip comes from a post in the HVAC School Facebook group by Ed Janowiak. Ed is the Manager of HVAC Design Education at ACCA, a longtime friend of HVAC School, and an educator who does a lot of great work for the industry. Thanks, Ed! This past Thursday, I taught a class where […]
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What is Fenestration and Why Do I Care?
Fenestration is a fancy architectural term that means “openings in the outside of the building.” You will see this word a lot when you read ACCA Manual J or when you are doing a Manual J load calculation. Fenestration loads include heat losses and gains through windows, doors, skylights, etc., and they can make up […]
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Event speaker:

Home Performance Panel
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Dehumidification Hootenanny
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Video guest:

Podcast guest:

An IAQ & Dehum Case Study w/ Genry & Nikki
 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 […]
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Ventilation and 62.2 Intro & Rant w/ Genry Garcia
 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 […]
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Blower Doors Don’t Need to Be So Confusing w/ Genry Garcia
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 […]
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