What location should be avoided in installing an air conditioning unit?

Author: Frederique Corkery MD  |  Last update: Wednesday, June 17, 2026

The location of your air conditioner can also affect the airflow and circulation in the room. You'll want to avoid placing the unit in a corner or near furniture, as this can block the airflow and make it difficult for the unit to cool the space evenly.

Where not to install an air conditioner?

Keep it away from trees and dirty areas

Although shading is necessary, placing it near trees or driveway can attract leaves and dirt inside the unit.

Does it matter where you put an AC unit?

A location that maximizes the unit's efficiency would be in a shady or covered space. This prevents the unit from having to use an excessive amount of energy to convert the air to a lower temperature before sending it into the home.

Where is the best place to put an AC unit in a room?

When installing an air conditioner, it is generally best to place it near a window or in a central location at the front of the room. This allows for optimally cool air distribution throughout the space and efficient ventilation.

Where is the best place to put an air conditioner in your house?

If possible, it is best practice to install your air conditioner on the north or east side of your home. This will ensure that the unit stays out of sunlight during the hottest parts of the day. Keeping your unit in the shade is essential for energy and cooling efficiency.

Choosing the Best Location for Your Air Conditioning System Outdoor Unit

Can you put an AC unit anywhere?

The location should be clear of trees, bushes, and excessively dusty areas where leaves and debris could block the unit or clog the filters. 3. The outdoor unit should be somewhere that it is easily accessible for cleaning and maintenance.

Where is the best place to install an HVAC system?

Where's the Best Place to Put Your New HVAC Unit?
  1. Choose a Shady Spot. One of the best ways you can save money on your energy during the hottest months of the year is by placing your HVAC unit in a shady spot outside your house. ...
  2. Stay Away from Vegetation. ...
  3. Stay Away from Outdoor Entertaining Spaces. ...
  4. Keep Pets in Mind.

What side of the house is best for air conditioner?

The air around the AC unit, which is cooled and pumped into your home, is also hotter and gives the AC even more work to do. The north or east side of your house is the best place for the AC, preferably beneath some shade.

Where should a condenser unit be placed?

The condenser should always go outside of your home and not in an attic, basement, garage, or crawl space.

Where is the best place to put an outdoor AC unit?

Installing the outdoor unit in a safe, dry and well-ventilated area is advised. Making sure your outdoor unit is clear of trees or a dusty area (like a driveway) can further help you keep your air conditioner's filters clean and less likely to get dirty or blocked.

Is it better to have an AC unit on the roof or ground?

Being constantly out of sight, roof-mounted systems require more protection and maintenance, compared to ground-mounted systems that can be easily hidden from external risks. Consequently, this limited access to roof-mounted AC units causes more challenges for homeowners on the way to proper maintenance.

How far from the house should an air conditioner be?

The optimal distance between an AC unit and a house is at least 5 feet. This distance is necessary in order to ensure that the exhaust from the unit is not recirculated back into the house. Additionally, this distance prevents any potential noise from the unit from entering the house.

Is it better to have two small air conditioners or one large?

Energy Consumption and Savings: While two AC units might initially seem like they would consume more energy, they can actually offer savings by allowing you to cool only the spaces you're using. For example, you can shut off the upstairs unit when it's not in use, reducing overall energy expenditure.

Where is the best place to put an AC compressor?

The best place to put it is in either a north or a south-facing wall, and the worst place to put it is on either an east or a west-facing wall. It is a good idea to observe how the sun strikes your house during summer to ascertain which is the best spot.

What are the bad side of air conditioners?

Dry eyes, lethargy, dehydration, dry or itchy skin, headaches, respiratory issues, allergies and asthma, noise pollution, infectious diseases, and indoor pollutants are among the common health concerns associated with prolonged exposure to air conditioning.

Where is the best place to put AC unit?

Choosing the Best Place for an AC Unit

Shade: The air conditioning unit can get quite hot in the sun, so placing it in a shaded spot near your home can help it work at peak efficiency and reduce the strain on the unit. Generally, the north or east side of the house is best.

What are the areas to be avoided when installing an air conditioning unit?

Indoor units: Install in central, open areas to distribute cool air evenly. Avoid placing near heat sources or obstructions like furniture. Outdoor units: Choose shaded and well-ventilated spots to improve performance and reduce strain on the system. Avoid installing near bushes or walls that can block airflow.

Should an AC unit be elevated?

Keep the AC Unit Level

Keeping your AC unit level is the primary reason why elevating the AC unit, either with brackets or a concrete pad, is recommended. AC condenser units are heavy; some window units can weigh as much as 200 pounds. They can easily sink into the ground under their own weight.

Where should you not install an AC unit outside?

For example, if it's placed in the same area where water can fall from the roof onto the unit, water will mess up the system's outer and inner functions. If it's placed where there is lots of direct sunlight, then it won't be able to cool the air down as well as you need it to.

Where should your AC be set at?

Start by setting your thermostat higher than normal when you are away, and at 78 degrees when you are home. That is the Department of Energy's recommended setting when you need cooling, but want to save energy.

Where is the best place to put the AC condenser?

Place the condenser outside the home or business instead of on the interior, such as in the basement, attic, crawl space or garage. Choose a spacious, easily accessible area, and avoid narrow spots. The condenser requires enough air and airflow to work efficiently.

What is the average cost to install a new HVAC system?

Replacing a HVAC system can involve one or both, and it makes a difference, price-wise. According to HomeGuide.com, the average cost to replace the HVAC units is $5,000 to $11,000; to replace the units with ductwork runs between $7,000 and $16,000 in total.

What percentage of HVAC systems are installed incorrectly?

Improper HVAC installation is surprisingly widespread. As much as 90% of HVAC systems are installed with some form of error, according to studies. Errors range from minor issues, such as incorrect thermostat placement, to major problems like improperly sizing the HVAC system.

What is the most expensive part of an HVAC system?

The compressor is the most expensive component to replace in an AC unit, and it can cost up to $4,000. It's expensive for two major reasons. First, it's responsible for circulating the refrigerant between the evaporator and condenser coils. Secondly, it's a highly complex equipment with intricate details.

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