What Does a Negative Sub-Cooling Number Mean in HVAC Troubleshooting?

Answer As with any highly technical field, the world of heating, ventilation and air conditioning, or HVAC, maintains a strange language all its own. Two phrases that appear regularly in this language, â€... Read More »

Top Q&A For: What Does a Negative Sub-Cooling Number Mean in...

What does the negative number mean on an aluminum bat?

The number on an aluminum baseball bat preceding the minus sign signifies the ounce drop or the length-to-weight ratio of the bat. A 35-inch bat weighing 20 ounces would be marked with a -15. The... Read More »

How to Calculate Sub-Cooling on an HVAC System?

HVAC systems, including air conditioners, circulate refrigerants through their parts to control their temperatures. One of these parts is the condenser, the temperature of which is measured when th... Read More »

Troubleshooting HVAC Tips?

HVAC stands for heating, venting, air conditioning--a summation of the entire system used inside a home to control the temperature. The HVAC system is made of many different parts, and even the air... Read More »

Troubleshooting an HVAC Thermostat Heater?

When the heater won't turn on, we sometimes jump to conclusions that there is a major problem with the furnace. But sometimes the issue is with the thermostat. If your heater won't turn on or if th... Read More »