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 ...

HVAC energy-efficiency programs administered by utilities and state agencies frequently offer rebates for properly executed ...

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 ...