The Physics of Paperwork: Why Your Warranty Might Be WorthlessMy old mentor used to scream at me in the back of a freezing van in late January, 'You can't cool…
The Sound of a $10,000 MistakeI remember my old mentor, a grease-stained veteran named Miller who could diagnose a compressor bypass leak just by touching the suction line, used to…
The 2025 Refrigerant Cliff and Your Expiring Peace of MindI remember my old mentor, a grizzly veteran who smelled of ozone and R-22, used to scream at me in the…
The Sound of the Shiny Van: A Tech’s WarningI can usually tell the caliber of an HVAC tech by the state of his gauges and the smell of his truck.…
The Physics of Heat Transfer: Why Most People Fail Their Pellet StovesMy old mentor used to scream, 'You can't heat what you can't touch!' at me every time I missed…
The Thermodynamic Reality of Fuel SwitchingMy old mentor used to scream, 'You can't heat what you can't touch!' This was his way of telling me that if your airflow is…
I followed a 'Sales Tech' last November who quoted a retired shop teacher $24,000 for a full oil-to-gas conversion. The kid told him his heat exchanger was 'about to turn…
The Ghost of Static Pressure and the Mentor's LessonMy old mentor used to scream, 'You can't heat what you can't touch!' This is why airflow matters more than horsepower. He’d…
The Sound of a Dying Heart: Why Your Blower Motor is ScreamingYou hear it in the dead of night when the house is finally quiet. It starts as a high-pitched…
The Sound of a Dying Heat Exchanger at 3 AMI’ve spent thirty years dragging my tool bag through cramped crawl spaces and freezing attics, and if there is one thing…