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Why Isn't My Air Conditioning Cooling the House?

Sunday, July 01, 2018
Why Isn't My Air Conditioning Cooling the House?

You get back into your home after a hot day and get ready to bask in the A/C. Your system is on, you hear it running, but you're not getting that relief you're looking for. What's going on?

There are a number of issues that could affect your air conditioning and affect the effectiveness of your unit. The experts here at Day and Nite Plumbing and Heating can help you figure out the problem and get your HVAC unit back into top shape. Here are some reasons why your air conditioning may not be cooling you down properly after you've completed some yard work or your commute home.

A Dirty Air Filter

If you haven't replaced or cleaned your air filter lately, it could be the culprit. A dirty filter reduces airflow into your air conditioning unit, which means that it has a harder time circulating the cool air it needs to make your home more comfortable.

Outdoor Unit Issues

If your air conditioning isn't cooling your entire home the outside unit, known as the condenser, could be the issue. It has a hard time dissipating all the heat of a summer day if it's dirty. It could also have some issues if it's crowded by weeds and other overgrowth. If your home isn't as cool as you'd like it to be, take a quick glance at your outdoor unit.

Stalled Condenser Coil

A stalled condenser coil, located in your outdoor unit, could mean that your air conditioning unit isn't blowing cold air like it should. You'll want a professional to make sure that a blown fuse or tripped circuit breaker hasn't caused this problem, where the fan keeps working but cold air doesn't spread throughout your home.

Leaky Ductwork

Tears and other damage to your ductwork could cause cooling problems as well. In this case, your air conditioning is working just fine but much of the cold air it creates is leaking out to other areas of your home that aren't occupied. The cool air doesn't do you much good if it escapes into the walls. Fortunately, our HVAC technicians can spot these kinds of problems and fix them for you.

Insulation Issues

Sometimes it's not an issue with your air conditioning unit. Occasionally, insufficient insulation could be allowing cold air to escape your home and make its way out into the outdoors. Cooler air doesn't help make your home more comfortable if it doesn't actually stay in your home.

You Need Refrigerant

The refrigerant in your air conditioning unit is what helps effectively cool the air in your home. If you need more, an HVAC technician can help. We'll also check for leaks to make sure that what refrigerant you have isn't escaping.

Thermostat Problems

Your thermostat could also be the source of an issue. Make sure that it's not in need of new batteries before doing anything else. Also ensure that it's on the right setting and set to a cool temperature.

Your Air Conditioning Unit's Size

In some cases, an A/C unit could actually be too small for your home. If your air conditioning unit is undersized, it may not be cooling your home effectively. If you've recently added a new addition or completed other work on your house, a new A/C unit might be needed.

Do you need a hand diagnosing your A/C unit’s issues? Call Day and Nite Plumbing and Heating. We can maintain, repair, or replace your unit so you stay cool all summer long!


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Day & Nite Plumbing & Heating is a locally owned and operated family business. We care about our customers and stand behind our work. Your comfort and safety are our top priorities.