Diagnose likely comfort issues by mapping home symptoms to airflow, return, duct, or sizing root causes.
Calculate the required BTU capacity for heating or cooling a room based on its size and insulation.
Determine the dew point temperature based on air temperature and relative humidity.
Calculate superheat to ensure your fixed orifice metering device is operating correctly.
Calculate subcool to verify proper refrigerant charge and system performance.
Estimate your HVAC operating costs based on system size, efficiency rating, and electricity rates.
Diagnose motor health with an interactive checklist and winding resistance analyzer for single-phase and three-phase motors.
Safely test capacitors with our interactive checklist, keep-or-replace analyzer, and parallel capacitor combiner.
