Ironically, Syracuse, a city world-famous for our cold and icy winters, was at the center of the air-conditioning revolution.

The new unit offers airflow capacities from 8,000 to 29,200 cfm, packaged DX cooling from 50 to 100 tons, and indirect gas heating from 800 to 2,000 mbh.

Read the instructions and wiring diagram that came with your new thermostat, and keep them handy throughout the next steps. Using a small screwdriver, remove the wires from the terminal block. Make ...

You might see an EER (Energy Efficiency Ratio) number for your portable air conditioner, which measures the cooling ...