Using your volt meter as a voltage drop detector
Bryan Orr explains how a volt meter can be used to check for voltage drops. Read all the tech tips,…
Transformer facts
In this video we talk about transformers, how they are rated, how to wire a multi-tap transformer and some things…
Ventilation in humid climates
Outdoor air and why it matters in residential homes in humid climates. Hosted by Bryan Orr. Read all the tech…
Aluminum to copper pressure test w/ al-cop
Once again we braze aluminium to copper and We pressure test Al-Cop to 500 PSI and show how to make…
#bertlife episode 6: snakes and vegas
In this two for the price of one episode, Bert and Alex Orr run some more service calls, followed up…
Humidity basics
What is relative humidity and dew point and how does it impact human comfort. Hosted by Bryan Orr. Read all…
Conduction, convection & radiation
How heat is transferred and why is matters to an HVAC professional. Hosted by Bryan Orr. Read all the tech…
#bertlife episode 5: mondays
Bert Testerman and Alex Orr spend the Monday riding together, taking calls, and celebrating a birthday. Read all the tech…
What is temperature?
Temperature, heat and what it all means and why it matters. Read all the tech tips, take the quizzes and…
Healthy air & your home (homeowner education)
Bryan Orr talks about some of the best tips to maintain healthy air for you and those in your home.…