Tag: furnace troubleshooting

Furnace Red Tag Second Opinions

Furnace Red Tag Second Opinions

One of the most divisive topics in our industry is red-tagging a gas furnace. There are usually two types of calls where you could find yourself in this situation. The first is during a routine maintenance or service call for existing customers...

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How a Fan Center Works

✕ The fan center’s purpose is to control when the indoor fan turns on. Before the integrated gas control board, the indoor fan on gas and oil furnaces would either turn on at the same times as the heat or with a time-delay relay. Fan centers came...

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