Using dry nitrogen to pressure test a system is a very effective method of verifying a system is leak-free. In fact, I believe it is more reliable than using a standing vacuum test typically performed ...

Because the airtightness and insulation of homes is evolving, HVAC that performs “exactly as advertised” is critical for new construction and retrofits alike. New building energy codes leave little ...

Statistics on energy consumption and subsequent CO 2 generation. What is the impact of HVAC systems on energy consumption? Methods that can help reduce consumption and boost efficiency. What role do ...

Expanded North American and European testing facilities and capabilities will enable heat pump manufacturers to advance innovations while meeting new regulatory requirements. UL Solutions will expand ...

From pinpointing refrigerant leaks with UV lights to diagnosing electrical faults with advanced meters, the right tools make HVAC and AC troubleshooting faster and more accurate. Technicians depend on ...