HVAC/R Evacuation Quiz June 23, 2022, 8:15 pm

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Related Tech Tips

Careful With That 40VA Transformer
A 40VA transformer is rated for 40 VA or volt-amps on the secondary. For a typical 24 volt secondary, this is simply using Watt's law to calculate amperage. (For more information on Watt's or Ohm's laws, please check out this article HERE.) 40 ÷ 24 = 1.666666 ∞ (round up to 1.67 already) So, you […]
Read more
What If Houses Came with Manuals?
A guide to the “House As A System” approach to understanding comfort, IAQ, durability, and energy consumption issues caused by building air leakage and HVAC-driven pressure imbalances in single-family homes. This article is a collaborative effort between Sam Myers of Retrotec and Genry Garcia of Comfort Dynamics, Inc. Sam and Genry will be giving a […]
Read more
Is It OK To Top Off With R410a?
I am consistently surprised by how much false information still circulates out in the field, and one of the ones I hear often is the idea that you cannot or should not “top-off” or recharge R410a systems on top of an existing charge of R410a when the system is low. So, to be clear, before […]
Read more
loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from