Most HVAC professionals would agree that moisture is the single most detrimental factor in a refrigeration system. A unit can stand only a small amount of water. For this reason, the majority of refrigeration and air conditioning systems contain driers. Several designs of heat pumps have two driers. Liquid line driers have been used in… Read More »
Converting natural gas to propane or propane to natural gas is the same processes by installing new orifices, springs and possibly other components. It involves changing out the correct-sized furnace orifices/jets and the gas valve spring. Always follow the instructions for the furnace being worked on as there can be differences between units. The same… Read More »
Chances are you have heard the term forced air heating, but what is forced air heating? Forced air heating is when air is heated and distributed through a home using ducts. The air can be heated by a gas furnace, an electric furnace, or a heat pump, and when a fan is put into the… Read More »
Are you starting an HVAC career? Or possibly an at-home do-it-yourself type person looking to save money on repairs? Then below are our top ten picks for books on HVAC. One of the things about HVAC is that the technology hasn’t moved as fast as many other fields, especially fields that are computer science-related. How… Read More »
A portable heater can be a real benefit in the winter, from an under-performing HVAC unit to heating a space such as a garage. Units that have a thermostat are great since they turn on and off automatically. Do Electric Heaters Have Thermostats? Yes, many electric heaters have a thermostat to adjust the temperature. Most… Read More »
If you have an overhead vent at home or an office that the airflow needs adjusting, there is easy to fix this. Some vents push out more air than is wanted or blow the air directly over the wrong space causing discomfort. A way to fix this is to install an adjustable air diffuser that… Read More »
A gas furnace is made of many parts that can be broken down into their individual components. Each component will have a specific task, or the furnace will not operate correctly. Below are the main basic components for almost any gas furnace. Gas Furnace Components and Parts Explained Heat Exchanger When gas burns, it gives… Read More »
Purchasing a furnace capacitor and installing it is easy to do and falls into the do-it-yourself category. Basic precautions need to be taken, mainly turning the power off to the furnace so as not to get shocked. Furnaces can fall into three categories when it comes to capacitors. Not have a capacitor at all. Some… Read More »
Dehumidifiers come in all shapes and sizes, from large units to small compact designs. While larger units have their place, small and compact units are often better since they take up less space. They also make a better fit into a small room that does not need a large unit. A Dehumidifier with a drain… Read More »
If the high limit switch in a furnace keeps tripping, the most common cause is a lack of airflow. When the air can not flow through the furnace, it heats up and trips the limits switch off. Why Does the High Limit Switch Shut Off the Furnace? The high limit switch is a safety feature,… Read More »