The P4 error code on a mini split HVAC system indicates a problem related to the compressor, often tied to its operation or temperature regulation. This code’s specific meaning depends on the brand, but it generally points to issues like compressor malfunctions or excessive heat. For Lennox Systems: Indicates a compressor drive fault, possibly due… Read More »
The average TXV replacement cost by an HVAC tech in 2025 is roughly $800-$1250. The cost to buy a TXV Valve in 2025 is roughly $50-$300. 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 »
Window mounted air conditioning units are widely used in many scenarios to help cool a space. There are many available, from small units to quality quiet models; all built to fit a set scenario, such as a large or small room. How Many BTUs is a Large Window Air Conditioner? BTU is a measurement of… Read More »
With so many HVAC Vacuum Pumps to choose from, how can you make sure you’re purchasing the right one for your job? Main Things to Look for When Buying an HVAC Vacuum Pump CFM (Cubic Feet a Minute) Stage (1-Stage or 2-Stage) CFM The CFM (Cubic Feet per Minute) on HVAC vacuum pumps is how… Read More »
Tri-Zoned mini split systems are ideal when heating and cooling multiple rooms, and there is a lack of outside space. Single Zone units heat and cool one room, while tri-zone units heat and cool three rooms. A Tri-Zoned unit will use only one outside condenser but be able to heat and cools three inside rooms.… Read More »
Pulling a vacuum on an HVAC system is necessary for installing, fixing, and repairing HVAC units. When a vacuum is pulled, there is two ways to measure it with either a manifold gauge or a micron gauge. What is a Micron Gauge Used for in HVAC? A micron gauge is used to read the pressure… Read More »
If you have a mini split that is no longer blowing out cold or hot air, there can be several causes and fixes. Mini split units are usually very reliable and last many years for cooling and heating space. As with anything, there can be issues at times with the problem needs to be narrowed… Read More »
Mini split units come in three main types of packages, including wall mounted, floor mounted, and cassette style units. Wall units are the most commonly used type of indoor condenser for mini split installations, but ceiling cassette units are also available and work just as well. A ceiling cassette has the advantage of looking better… Read More »
Best Mini Split for a Garage What Size Mini Split Does a Garage Need? Do Mini Split Units Heat and Cool? How to Install a Mini Split in a Garage Mini split heat pump units are a great way to heat and cool a garage since they are small and low-cost to operate. They can… Read More »
Wiring Mini Split Inside Control Wires Wiring a Mini Split Electric AC Items Needed Disconnect Box Types of Wire Gauge for Mini Split Wiring a Disconnect Box To Mini Split Wiring from Breaker Panel to the Disconnect Box Wiring up a mini split HVAC unit is not difficult but does require some basic electrical knowledge.… Read More »