If approved, the change would allow Lennox to build a 34-foot-tall building to test large commercial HVAC systems ... representative from Lennox said the equipment being tested won’t be heard ...

As with any test, it's best to use measurements ... energy efficiency and extend equipment life. A programmable thermostat can further optimize your HVAC efficiency by adjusting temperatures ...

HVAC professionals are concerned about the transition to A2L refrigerants, especially whether they need to replace all their tools. It’s prompting changes in the tools required for HVAC systems, but ...