How to Quickly Troubleshoot AC Not Blowing Cold Air

Posted by Wattson on Jun 6, 2017

ac not blowing cold air

When the hot, humid, and unpredictable New England summers settle in, homeowners depend on their air conditioners to keep homes cool and comfortable. Discovering an AC not blowing cold air can be frustrating, but we’re here to help. Here are a few tips for troubleshooting an AC not blowing cold air.

Start with the Simple Fixes

In many cases, an AC not blowing cold air is a simple fix. Before you call for repair, first head to the thermostat to be sure it’s set to “cool” and that the temperature is low enough for the AC to turn on. If you share a home with someone who prefers a warmer setting or with kids who like to push buttons, you’ll be able to solve this problem fast.

If the thermostat isn’t the source of the problem, the next stop should be your circuit breaker box. Many air conditioning systems use two components, an outdoor and an indoor. If the outdoor unit is not powered, the indoor fan will still run so it might seem like the AC is not blowing cold air. Reset any tripped breakers, and wait several minutes to see if that solves the problem. If the breaker trips again, you’ll need a professional to determine what the root problem is.

Lastly, make sure the filter is not causing the issue. When the filter is dirty, it will prevent proper airflow within the AC unit, causing it to work harder and less efficiently. The result is your AC not blowing cold air and energy bills going up. During the summer, be sure to change the filter every month.

Head Outdoors

If the indoor quick fixes don’t solve the problem, head outdoors to inspect the unit. First, if you see ice anywhere, shut the system down immediately. Allow enough time for all the ice to melt completely, being sure to check the entire unit inside and out for ice. It’s important not to try to chip at the ice as you may accidentally damage the air conditioner. Once you’re sure it is free from ice, turn it back on again, and let it run for several minutes. If ice starts to form again or it’s still blowing warm air, turn the system off again and call for repair.

If ice is not the issue, check to see if dirt, leaves, small toys, or other objects and debris have built up around the outdoor unit or become lodged inside. Sweep away any loose debris, and trim back any weeds, shrubs, or tall grass. If you see an object inside the unit, try to fish it out. If you cannot get to it, you can try to remove the cover or call an expert for help.

Preventing AC Not Blowing Cold Air

Regular maintenance is the key to a comfortable New England home in the summer while also keeping your energy bills in check. Make sure to have your air conditioner cleaned and inspected before the peak cooling season to make sure it’s ready to work all summer long.

Making sure your air conditioner doesn’t have to work harder than it has to will not only prolong its life, but you’ll also cut down on cooling expenses, too. A Home Energy Assessment from Energy Monster will make sure your home is working hard to keep cooled air inside the home where it belongs. Here are just a few ways a Home Energy Assessment will help:

  • Weatherization. A tightly sealed home is useful in the summer, not just winter. Don’t let expensive cooled air leak out of your home through nooks and crannies. We’ll seal up any air leaks the same day as the assessment and provide recommendations for other ways to keep your home sealed.
  • Insulation. Beefing up your insulation to keep hot, humid air out and cool air in is another way to keep your home comfortable while giving your air conditioner a break. We’ll offer recommendations and search for any rebates you may be able to get for insulating your home.
  • Special Savings. In some cases, an AC not blowing cold air cannot be remedied. If you need to replace your system or simply want to upgrade to a more efficient one, we’ll check to see if you qualify for any energy efficiency rebates or special offers to help offset the cost.
  • Bonus Savings. Your Home Energy Assessment doesn’t end with the heating and cooling system. We also provide efficient LED and CFL bulbs, low-flow shower heads, faucet aerators, and hot water pipe wrap to help keep all your utility expenses low.

Schedule Your Home Energy Assessment

Getting your energy audit is easy. Simply fill out the form, and we’ll take care of the rest. Schedule your home energy assessment today!

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