User posts

NO BULL Refrigeration – Since this forum has no posts yet ill kick it off by offering to answer any questions that you might have, (or finding out the answer if I dont know!) Whether youre a residential guy who has no interest in joining the refrigeration side but may be curious how it works, […]

What is the proper way to commission a Mitsubishi unitary system(svz-suz for example)? How do you get that thing to ramp up to 100%#*@ 🙂

Are there any suggestions to reduce the noise from 636 sidewall vent terminations ?

What are the issues everyone is seeing with the A2L refrigerants and equipment? Now that we’re more than a year and a half in.

Where do you stand when other company’s try to steel your help We have a 3 year apprentice plumber we pay him $35. and he is leaving for $45.00 We are complying with our original apprentice agreement to pay an agreed pay rate percentage of our licensed journeyman plumber. We can’t match that pay unless […]

We’re giving the HVAC School community a better place to talk shop. Think of the useful parts of an old trade forum: a question you can find again, photos that help explain the job, people who will tell you what they know—and what they don’t. This is for working HVACR and building performance people. Technicians, […]

The 8th Annual HVAC/R Training Symposium is January 13–14, 2027, at the Ocoee Lakeshore Center and Bill Breeze Park in Ocoee, Florida. The event brings tradespeople together for HVAC science, system and duct design, moisture management, commissioning, demonstrations, and conversations you can take back to work. Use this room to talk about what you want […]

Think about a session, demonstration, or conversation that changed how you approach a system. What did you take back to the field? What question are you still working through? Start a discussion with the session title, presenter, and year if you have them. Tell us what you tried or what you would like to understand. […]

Share the work a tool actually helps you do, the conditions where you use it, and the limitations you have found. A useful field example beats a brand argument. If you work for the manufacturer, sell the product, received it for free, or use an affiliate link, say so. This room also has space for […]