The AC fan should always be spinning. If the AC unit is turned on and the outdoor condenser AC fan is not spinning, you have a problem. This is quite a frequent problem with air conditioners, especially during summer. Here are just a few examples of how homeowners phrase this problem: “My air conditioner fan … Read more
A window air conditioner should not be icing up, especially in the summer. If you see your window air conditioner freezing up in the summer, you do have a problem. Finding ice in an air conditioner window unit is not something that will go away on its own. What is more, running a frozen window … Read more
“I have AC running but the humidity goes up, not down. How is this possible? Why is my AC not removing humidity?” An air conditioner not dehumidifying is quite a paradox. If you are experiencing relative humidity going up when air conditioning is on and cooling adequately, that is quite extraordinary. Normally, when you run … Read more
AC drip fan full of water is the worst. The air conditioner drip pan should never be full. If it is full, there is something wrong with your air conditioner. The culprits for a drip pan for air conditioner overflow are usually the same as the reasons why the drip pan is full of water. … Read more
“My air conditioners starts OK; then it stops in seconds/minutes. What’s wrong?” One of the most annoying (and potentially harmful) problems we encounter is air conditioner short cycling. It involves an air conditioner short cycling in seconds or minutes, without even completing a full cooling cycle. (Example of AC short cycling) Here is what you … Read more
“When I turn on my air conditioner, it starts blowing hot air.” Air conditioner blowing warm air is not all that uncommon AC problem. Unlike most fairly innocent issues, AC blowing hot air is quite alarming. Essentially, the air conditioner should be blowing cold air. That’s pretty much its main job. When AC starts blowing … Read more
“My air conditioner is running but it’s not blowing cold air. What might be the problem?” When air conditioners malfunction, not blowing cold air is one of the most common problems. There is nothing worst than looking at the AC running but not cooling (blowing 80°F or even 90°F output air temperature in the middle … Read more
UV lights for air conditioners and furnaces are one of the most under-utilized additions to HVAC systems. Most of us are primarily looking for the best HVAC UV lights for air conditioners to prevent mold infection (black mold is especially problematic), bacteria spreading, and so on. In actuality, that’s only a secondary advantage of UV … Read more
“My 8,000 BTU GE window air conditioner is leaking inside the house. Water comes from the bottom of the unit, flows inside on the walls, and the carpet beneath is drenched. Please tell me this is not normal and how to fix it.” The sudden realization when you see water leaking inside the house from … Read more
Why is my air conditioner making noise? Is this normal, or are noisy air conditioner under a threat? How do I fix AC that is making noise? If an air conditioner runs smoothly, nobody notices it. If, however, an AC starts making noises, we are right to be alarmed. AC noises are not just a … Read more