Numerous issues can arise with air conditioners. One of the most typical ones is that, although they appear to be operating and running, the house is not being cooled! This can be annoying, particularly in the sweltering summer months.

The kind and timing of the problem may indicate that it is one of numerous distinct problems. Let’s discuss how to determine the cause. air conditioner

Why is my air conditioner running but not cooling the house
Why is my air conditioner running but not cooling the house

The Thermostat Has Been Set Inaccurately

If the temperature in your home seems a little higher than usual, start by checking the thermostat settings. Verify that the cooling setting is selected. If the thermostat is set to cool, ensure it hasn’t been changed by checking the temperature setting.

If it’s switched off, switch it back to cooling mode. If it’s set to heat, switch it to continuous fan mode (often marked “on”). After the machine has been turned on, wait a few minutes before examining the registers for any cool air coming out of them.

Don’t worry if it’s freezing outside! If not, move on to the next phase of troubleshooting: air filter inspection.

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Air Filter Problems

Checking the air filter should be your first step if you notice that your air conditioner is running constantly but isn’t cooling your house. The simplest issue to resolve can be done without the help of an HVAC specialist.

Clogged air filters are the cause of poor airflow. It might be difficult, if not impossible, to remove too much moisture from the air when there is inadequate ventilation. Additionally, it leads to issues with the air conditioner itself. Humidity removal may be difficult if your AC unit’s coils aren’t receiving enough air due to a clogged air filter. As a result, a less effective air conditioner blasts warm air.

It’s possible that you’re using the incorrect air filter on your HVAC system. Mama

The condenser device is obstructed

A massive outside coil that wraps across the majority of the condenser unit is visible on its exterior. The coil is composed of several thin, tightly spaced metal “fins.”

One possible reason your air conditioner is running but not lowering the temperature inside could be a blocked or clogged condenser coil. When your unit is operating properly, the condenser fan draws air into the exterior device through the condenser coil, extracting heat energy from your house.

As dirt, grass, and other flying debris gather in the spaces between the fins, they will clog the coil.

A dirty coil can lead to reduced energy efficiency, a loss of cool air at the registers, or, in the worst case, a complete system shutdown or compressor damage from abuse.

The coil can be cleaned by removing debris, gently washing it with a hose, or carefully vacuuming it with a brush attachment.

A heat pump that has been damaged

Although a heat pump looks like an air conditioner, it has extra parts that let it heat and cool your home.

In terms of ventilation, it performs similarly to the condenser unit of an air conditioner and is prone to the same issues: dirty, clogged coils, freezing coils, refrigerant leaks, compressor issues, and so forth.

If your heat pump system isn’t cooling, check for previously noted issues with the condenser unit, the air filter, and the thermostat settings.

Frozen evaporator coil

The indoor component of the central air conditioning system includes an evaporator coil. The evaporator coil for a refrigerator is found in a drawer outside the furnace if it is an indoor appliance.

If the indoor device is a fan coil, the evaporator coil is housed inside the fan coil cabinet (usually as part of a heat pump system). The evaporator coil receives warm interior air, which eliminates humidity and thermal energy.

Your home becomes calmer and colder as the air is pumped back in. The signs of a frozen evaporator coil are as follows:

  • Frost is building on the copper refrigerant tubing that leads to the coil cabinet.
  • Insufficient ventilation
  • Increased energy costs
  • Condensate runoff near your indoor device is excessive.
  • Frost formation on external refrigerant tubing or the outdoor unit in serious situations

Leak in refrigerant

The cooling process depends on the chemical refrigerant. As it moves between the indoor and outdoor coils of the system, it transforms from a liquid to a gas, taking humidity and heat energy from the indoor air and releasing it outdoors.

Depending on how big the leak is, your AC system may stop producing cold air, run for extended periods of time without adequately cooling your home, or even cause a broken or malfunctioning compressor and a complete system shutdown.

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You’ve discovered it; congratulations! In 1948, Superior Mechanical Services, Inc. was founded as a family-run enterprise with the goal of offering clients in the San Francisco Bay Area practical, value-oriented service. Superior Mechanical can handle any HVAC repair needs, including boiler and plumbing work, as the leading provider of commercial and residential HVAC services in Pleasanton, Dublin, and Livermore. Our experienced professionals in AC repair will make sure every aspect of your project is completed correctly, using a meticulous checklist to guide and test each step. Upon completion of your appointment, we will demonstrate the best ways to utilize your system and provide you with upkeep advice to ensure its longevity. For outstanding service tomorrow, contact us today!