TECHNICAL SUPPORT

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Certified Technical Support

Our certified technical experts are fully trained, NATE-certified and stand ready to assist HVAC contractors and share their troubleshooting knowledge in the classroom, on the phone, and at a jobsite.

REFRIGERATION INFORMATION
SPLIT TROUBLESHOOTING AC GUIDE
AC / REFRIGERATION: MEASURING LIQUID SUBCOOLING LEVEL
REFRIGERATION TROUBLESHOOTING
FURNACE TROUBLESHOOTING GUIDE
AIR FLOW IN CFM GAS FIRED FURNACE
FURNACE FAULT DIAGNOSTICS
GAS PIPING INFORMATION
METER CLOCKING METHOD
FURNACE QUICK CHECK MOTOR WILL NOT RUN
HYDRONIC FORMULAS

SQUARE FEET OF RADIATION PER SECTION
REPLACEMENT BOILER SIZING CHART
FORMULAS
AIRFLOW VERSUS TEMPERATURE RISE
DRILL SIZES & DECIMAL EQUIVALENTS
DUCT SIZING GUIDE
CONVERSIONS
TERMINOLOGY
ALTERNATE WAYS TO SIZE ERVS / HRVS
EXHAUST FANS
GEOTHERMAL VERIFICATION SHEET

TECH TIPS

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The Refrigerant Piping Program Is Now Available

Did you know you can use smaller or larger line sets than the ones recommended in installation guides for air conditioners and heat pumps? If you have access to ASDealerNet or ComfortSite, the Piping Program is now available for you to use and see which size is best suited for the job.

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