Mini Split E5 Error Code What It Means and How to Fix It

The E5 error code on a mini split air conditioner indicates a communication problem between the indoor and outdoor units. This code appears on the display of inverter air conditioners and shows up across many brands and models. The most common causes are wiring issues, failed communication cables, or problems with the circuit boards in… Read More »

Types of Water Column Gauges for Gas Furnaces

Inches of Water Column is a method to measure gas pressure. The first devices to measure gas pressure were tubes in a U-shape, half-filled with water. The gas pressure was applied to one side of the tube from a gas line, and the other side was left open. How far the gas pressure pushed the… Read More »

How To Replace an Evaporative Swamp Cooler Water Pump

Replacing a water pump in an evaporative swamp cooler is a straightforward task that many Do-It-Yourself types of persons can do. Of course, if in doubt, be sure to call a professional. The pump will need voltage to work, usually 115 volts, so precautions need to be taken. What is a Evaporative Swamp Cooler Water… Read More »