Below is the main tool list that an HVAC service technician will use to troubleshoot and fix heating and cooling problems. To see the basic HVAC tool list check out my basic HVAC tool list post here. Below I am listing the advanced HVAC service equipment, which, unfortunately, is also the most expensive. An HVAC… Read More »
A contactor relay is necessary component in an HVAC system that controls the power. It is what controls the voltage coming into an air conditioner or heat pump unit. The main power, usually 220 volts, comes from a breaker and is fed into the contactor. The contactor is controlled by the thermostat to turn on/off… Read More »
There are different types of furnaces and manufacturers, but below are the most common steps for a furnace to go through from start to blowing out hot air. While most furnaces will follow the below sequences of steps, there may be variations in models and manufacturers. Gas Furnace Sequence of Operation The thermostat reaches a… Read More »
The average cost to replace a Start Run capacitor by a technician is $150-$300. The average cost to replace a Start Run capacitor by a DIY person is $50-$75. The average cost of a Start Run capacitor is $15-$40. Start Run capacitors are necessary for HVAC air conditioners and heat pump systems to start motors.… Read More »
An air conditioning compressor is the heart of an air conditioning unit and can be a real problem if not working. There are many things that can cause a compressor to stop working. Often the compressor is good, but another component has failed, which stops it from working properly. Below is a list of some… Read More »
As an HVAC tech, I get many calls on furnaces that do not work with a wide variety of problems. One of the top problems, and a preventable one, is a dirty air filter which can cause many furnace issues. A common issue is a dirty filter block the airflow into the furnace, which causes… Read More »
If you are buying an HVAC system such as a window air conditioning unit or a mini split, the heating or cooling capacity is usually in BTUs. While smaller units use BTUs, big Home air conditioning units will often be rated in Tons, which can be confusing. Both BTU and TON are used in HVAC… Read More »
Type I EPA 608 exam can be taken online Type II and Type III cannot be taken online and must be proctored. Check local laws as there may be additional requirements. If you need to get an EPA 608 certification to work with refrigerants, you may wonder if you can get certified online. This is… Read More »
The average TXV replacement cost by an HVAC tech in 2024 is roughly $750-$1200. The cost to buy a TXV Valve in 2024 is roughly $50-$200. Prices can vary by location and time of year. If you have had the TXV valve replaced, let us know in the comments the cost. A TXV (Thermal Expansion… Read More »
The average condensing fan motor replacement cost by an HVAC tech in 2024 is roughly $400-$700. The cost to buy a condensing fan motor in 2024 is roughly $50-$200. Prices can vary by location and time of year. If you have had the condensing fan motor replaced, let us know in the comments the cost.… Read More »