Category Archives: HVAC how to

Types of Gas Furnaces: AFUE Efficiency Explained

Furnaces have been in a constant evolution to become more efficient and last longer. During this constant change manufactures have continued to rethink the way furnaces work, from lighting gas with a pilot light, to using an eclectic igniter. Even though furnaces have changed over the years many older units are still in service and… Read More »

Evaporative Swamp Cooler Thermostat Wiring

After a swamp cooler switch, a thermostat controller is the next best way to control an evaporative cooler. These can work the same as a switch only with added features of it being programmable for temperature or run times. It can still be used as a switch by simply pressing the auto, cool, or fan… Read More »

Troubleshooting a Furnace Pilot Light Problem

Furnace Pilot Light Troubleshooting Steps The first thing is to make sure your thermostat is set to ‘heat’ and turned to above room temperature. How To Lite the Pilot Light Be sure the gas to the furnace is on. Turn the knob on the gas valve to pilot. Press the knob down and hold (or… Read More »

Pioneer Mini Split Install 9000 BTU 15 SEER 110v Part 1

Pioneer makes several different sized Mini Split units with the 9000 BTU (3/4 Ton), 15 SEER Heat Pump Air Conditioner unit one of them.   The 9000 BTU unit is the smallest one with larger units going up-to 24,000 BTU and 240 volts.   The Pioneer mini split air conditioners are popular with Do-It-Yourself type… Read More »

Parts and Overview for Old Gas Furnaces

Furnaces are generally considered as being the heating part of an air conditioning system. They also serve as the air handling and filtering section of a complete system. Furnaces may be designed to use the various types of gases, fuel oil, or electric resistance elements as the heat source. The type of heat source will… Read More »

How Does a Vacuum Pump Pump?

The thoroughness of the evacuation process and the universal application of a high-vacuum pump is accepted as the most sound investment for field and shop use in refrigeration service work. So that the great value of a high-vacuum pump can be appreciated, let us review the fundamentals involved in the operation of the vacuum pump… Read More »

A Brief History of Refrigeration

Through the ages people have used some means of cooling foods. First, they cooled foods by lowering them into wells or storing them in caves. Following that, natural ice was used. This ice was cut in the winter and stored underground for use in warm months. The Egyptians also used another means of cooling water.… Read More »