If the high limit switch in your furnace keeps tripping, the main 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, so… Read More »
Testing the furnace limit switch by bypassing it is common to see if it has gone bad. A furnace should only be run for a short while to test the switch. The furnace limit switch helps protect the heat exchanger from becoming too hot and cracking. If the heat exchanger cracks, it can let noxious… Read More »
Furnace thermostat wiring falls in the DIY category that a handy type person can hook up or fix. Of course, if in doubt, be sure to call a professional. When working with a thermostat, the cover can be snapped off to expose the wiring. Before doing any work on the thermostat and wiring, take a… Read More »
What is a Fan Limit Switch? A furnace has two switches a fan limit switch and a high limit switch; these switches can be separate or in one package called a combination switch. High limit switch A high limit control switch will turn off the gas to a furnace if the temperature becomes too high.… Read More »
Mini-Split Heat Pump units are a great way to heat and cool a garage since they are small and are low-cost to operate. They can be installed by an HVAC company or by a handy Do-It-Yourself type person. DIY mini-split kits have become very popular since they can be installed by a homeowner and are… Read More »
A video is at the bottom of the page for a visual walk-through if needed. Vacuuming down a mini split system is necessary before releasing the refrigerant. It also is the main way a unit is tested for leaks. The process is not difficult and easy enough for a DIYer with the right tools. Tools… Read More »
Pioneer makes several mini-split units, with the 12,000 BTU unit being one of them. The Pioneer Company is a relatively new name to air conditioning systems and is known for making inexpensive products that compete with big-name brand companies. Besides the 12000 BTU units, they also make smaller and larger units, 9,000-36,000 BTU. 12,000 BTU… Read More »
Do-It-Yourself Mini Split units have become very popular since they are a good alternative to high-cost HVAC installations. They come with almost everything needed except tools and electrical wiring to a panel. There are many units available from small 9000 BTU units to large 36000 BTU units. Heat pump units such as Pioneer both heat… Read More »
R22 is being phased out in favor of more environmentally friendly refrigerant types such as R134a. Since 1995 no new R22 refrigerant can be imported or created under the Montreal Protocol. R22 refrigerant can still be bought since it can be recycled from existing sources. When an HVAC service technician turns in bottles of old… Read More »
Almost all Swamp Coolers use a manual switch to turn on and off, but a thermostat can also be used to control a unit. There are several types of thermostat controllers available. Read Here to See Our Picks for Best Evaporative Swamp Cooler Thermostat Controllers. One of the more popular thermostat options is the DIAL… Read More »