A central A/C that blows air but not cold air is one of the most common summer calls. The fan can still run while the cooling side of the system is not doing its job. Many times the fix is simple and low-cost. Sometimes the problem is refrigerant or a bad capacitor and that is… Read More: How to Fix a Central AC Not Blowing Cold Air »
Mini split units are very good heating and cooling units that are known for their efficiency and DIY installs. While most units are more efficient compared to big traditional home HVAC systems some units are more efficient than others. This post is updated for the new units are now rated in SEER2, not the old… Read More: What is The Most Energy Efficient Highest Seer Mini Split? »
Your AC system is brand new, but your house still feels like a swamp. The temperature drops when the system runs, but the air stays sticky and uncomfortable. This is one of the most frustrating problems homeowners face with central air conditioning. The system is technically working, but something is clearly wrong. This includes mini… Read More: Why Your New AC Still Leaves Your Home Humid »
The H3 error code shows up on Gree mini split air conditioners and many other brands. It means the overload protection for the compressor has tripped or is faulty. If you have another brand check your units manual to verify H3 is a compressor overload protection which is common but some units have different definitions.… Read More: How To Fix an H3 Error Code in a Gree… »
The E5 error code on a mini split air conditioner indicates a communication problem between the indoor and outdoor units. This code appears on the display of inverter air conditioners and shows up across many brands and models. The most common causes are wiring issues, failed communication cables, or problems with the circuit boards in… Read More: Mini Split E5 Error Code What It Means and How… »
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 one way a unit can be tested for leaks. The process is not difficult and easy enough for a DIYer with the right tools. Tools… Read More: How To Vacuum Down a Mini Split and Release Refrigerant »
Tri-Zoned mini split systems are ideal when heating and cooling multiple rooms, and there is a lack of outside space. The common Single Zone units heat and cool one room, while tri-zone units heat and cool three rooms. There is also duel zone units that heat and cool two rooms. A Tri-Zoned unit will use… Read More: Our Picks for the Best Tri Zone Mini Split Systems »
Inches of Water Column is a method to measure gas pressure. The first devices to measure gas pressure were tubes in a U-shape, half-filled with water. The gas pressure was applied to one side of the tube from a gas line, and the other side was left open. How far the gas pressure pushed the… Read More: Types of Water Column Gauges for Gas Furnaces »
Dual Zone mini split systems are great HVAC units when cooling or heating more than one room is needed. Single Zone units heat and cool one room, while Dual zone units heat and cool two rooms. What Is a Dual Zone Mini Split? A Dual Zone mini split, sometimes called multi-zone, heats and cools two… Read More: What is the Best Dual Zone (Multi-Zone) Mini Split System »
DF code on a mini split, means it is in Defrost Mode. A DF (Defrost Mode) code is normal and usually temporary. If it does not clear after 15-20 minutes and the outside unit is not frozen there may be an issue. A Mini split unit will go into whats called DF (defrost mode) when… Read More: What is a DF Code on a Mini Split? »