Is your air conditioner blowing but not cooling? Modern window and central air systems have a setting for air flow only. Why You Should Turn AC Off if Blowing Hot Air. This is why it's important to turn your system off it's blowing hot air. Air Conditioner maintenance cleaning HVAC condenser condensing coils remove fan. If your car’s air conditioner starts blowing warm air. Start here to troubleshoot or bring your car into Pep Boys for an AC check. When it is not, which of course occurs on the most brutally hot day of. Is your home's AC blowing hot air? 4 Common Reasons Why Your AC Will Blow Hot Air This Summer. Keeping an eye on these problems will not only will this keep your air conditioner from blowing hot air.
What to Do When Your Home. If you discover that your air conditioner has stopped blowing cold air, you’ll probably wonder what to do for the fastest fix. Before investigating your AC's troubles, you should have a basic understanding of how it functions. For an in- depth look at residential HVAC systems, check out how heating and cooling systems work. Essentially, your air conditioner pulls in warm air from inside the home, extracts heat from it, and circulates the now- cool air through your duct system and into the different rooms of your home. This is accomplished by the two major components of an air conditioning system: the condenser (the unit that sits outside your home) and the evaporator. Attached to the condenser should be a metal box that houses the disconnect switch.
This is where you’ll turn off the 2. The way to do this will vary depending on the particular system, so consult your system’s manual or call the installer before beginning. Generally, the power can be shut down by pulling a shutdown handle, removing a fuse, or disconnecting a power cord. Also make sure to turn off the circuit at your main electrical panel.
Hot air is the last thing you want from your home’s AC unit. But don’t worry just yet, we’ve got your back. Truth is, there are a ton of different variables that lead to warm air blowing out of your air conditioner. 4 reasons why your A/C may blow hot air this summer. A dirty filter can clog your air conditioner’s condensing coil with dust and contaminants causing your A/C to freeze up. When an A/C is blowing out hot air. Is Your Central Air Conditioner Blowing Hot Air?
After waiting a few minutes to ensure that all the remaining charge is gone, unscrew and remove the top panel or grille as well as any protective side grilles. Be careful with this step, as sometimes the unit’s fan is attached to the top panel or grille. If this is the case, make sure you don’t disturb any wires connected to the fan. When you remove the protective grilles, you’ll notice that the condenser coils are surrounded by flat panels, or fins, usually made out of aluminum. With a soft brush, clean the fins and coils of any debris or dust, taking care not to bend the fins, and remove any loose debris from the bottom of the unit. Then, if possible, use a bristle attachment to vacuum away any remaining dirt or dust. Next, cover the wiring and the motor with a plastic bag (a garbage bag would work nicely) and duct tape, and use a hose with a trigger nozzle to clean out the coils and fins.
Do not use a high- pressure stream, as the aluminum fins can be easily bent by water pressure. After the water has drained from inside the bottom of the unit, remove the plastic covering. If any of the fins are bent, you’ll want to have them straightened for optimal performance. This requires a special tool called a fin comb and is best left to a professional HVAC contractor.
Make a note to call one to repair your unit before the heavy- use season begins. Tips for choosing a contractor. Screw the protective grilles back onto the unit. After you’ve finished cleaning the condenser, use a level to make sure that the unit is balanced properly. If the unit isn’t level, drainage problems may occur. Finally, turn the thermostat off before reconnecting the power to the unit. After the thermostat is turned off, reengage the power to the unit at the main service panel and the disconnect box, and then set the thermostat to cool.
After a few minutes, locate the two pipes connecting the outdoor unit to the indoor air handler. One of the pipes should be cool, and the other should be warm. If cleaning the condenser unit doesn't solve your problem, then you likely need to have your refrigerant recharged.
This is something best left to a professional: read local reviews. Smart maintenance: Even if your AC is working fine, cleaning your condenser is something that should be done every year, ideally on a warm day before the heavy- use season. As you can imagine, the HVAC business is highly cyclical, so you want to avoid having to call for AC repair during the busy summer months.
If you give your system a good cleaning in the spring, you can hopefully catch any small problems (such as bent condenser fins) before they bring your whole system down just when you need it the most. More about HVAC maintenance. If you end up needing to replace it, know how to choose the right HVAC system. View Local Air Conditioning and Heating Companies.