Start
Here is where your journey into HVAC nerdiness may start. Check out our latest videos, tech tips, and podcasts all in one place.
February 15, 2026
How to Install a Toilet – Complete Step by Step Guide in 3D
Learn how to install a toilet with our comprehensive 3D animated guide! This complete tutorial walks you through every step of replacing a residential toilet from start to finish. Follow our step by step guide for professional results.
Get Tech Tips
Subscribe to get free tech tips.
Follow Us On Social Media And Podcast Platforms
Download HVAC School App
Check our latest Tech Tips
Over the past several years that we’ve been discussing electrification as an industry, we’ve heard concerns about the electrical grid struggling with peak cooling demands. Within the past couple of months, the concept of integrating battery storage directly into HVAC equipment has emerged as a vital solution for load management. This concept turns a typical […]
Read more
Windows might seem like the builder's problem, but they play a big role in what we do every day. Poorly designed windows can spike heat gain in summer or loss in winter, messing with load calculations and forcing HVAC systems to work overtime. That leads to uneven comfort, higher bills, and more service calls. Getting […]
Read more
Let's first state the obvious. Most techs are intimidated by psychrometric charts and Mollier diagrams. We JUST ARE. While there are some pretty complicated formulas that back up these diagrams, using them isn't that big of a deal once you understand the different elements and then focus on one at a time. BUT WHY DO YOU […]
Read more
Our Most Popular Videos
