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How Long Does It Take To Cool a House The First Time The Air Conditioner Is Started?

We all know that feeling. It’s finally summertime, and the weather is hot and sticky. So naturally, the last thing you want to do is be inside a stuffy house, so you turn on the air conditioner for the first time this season. But how long does it take for the AC to cool down your home?

To cool a house using a new air conditioner for the first time, you need to wait at least 3 hours to cool a home with three to four bedrooms. This ensures that the air conditioner has enough time to cool the house properly.

And is there anything else you can do to make it work more efficiently? In this article, we’ll answer those questions and more.

How Long Does It Take For New AC Unit To Cool a House?

If it feels like your AC is taking longer than it should to cool your space, don’t fret. There are a couple of reasons why your unit is taking time to adjust.

First, your AC has been inactive for months. Like any other machine, it needs time to get going again after a long period of inactivity. New air conditioners tend to take longer to cool a house the first time they’re used because of the low Freon levels.

When an AC unit is turned on, it needs time to build up enough Freon to function correctly. This process can take up to 24 hours, so be patient!

Second, the temperature outside is probably hotter than when you last used your AC unit, and it’s working hard to adjust the temperature inside to match the new conditions.

Given the circumstances, when all these are factored in, you’d have a better idea of how your air conditioner would work.

If you’ve been waiting for your AC unit to cool your house for more than 24 hours and it still doesn’t feel significantly cooler, your unit might have a problem. In this case, it’s best to call a professional to look at it and see the issue.


What Factors Impact Cooling Time?

What Factors Impact Cooling Time?

If your air conditioner has been turned on for the first time and still gives less than satisfactory results, consider the following factors:

Incorrectly sized unit

When an air conditioner is too small for the space, it’s trying to cool, and it has to work overtime to make up the difference. This will cause a significant delay in cooling time. Asking an HVAC professional can help you determine the best size for your needs.

Freon defect 

As mentioned, Freon is essential for an AC unit to function. If there’s a problem with the Freon levels, it can cause a delay in cooling time. It’s crucial to observe any Freon leaks because this can be dangerous. If you notice any, it’s best to call a professional to handle the issue.

Faulty evaporator and condenser coils 

If these coils are dirty or damaged, they won’t be able to transfer heat as efficiently. It will make it harder for your AC unit to do its job, resulting in a longer cooling time.

Ask for accredited HVAC technicians to look for defects in your newly installed air conditioner unit.

Poor insulation

Cooled air will escape through cracks and gaps if your home isn’t well insulated. It also makes it harder for your air conditioner to lower the temperature in your space.

Several factors can impact how long it takes for an air conditioner to cool a house. Taking these into account, you can better understand the kind of air conditioner best fits your home or office space.


What Can You Do If Your AC Is Not Cooling As Fast As You’d Like?

There are a few things you can do to make sure that your AC unit is running as efficiently as possible:

Change the location of your thermostat

If your thermostat is located in a sunny spot, it might be giving false readings. The sun can cause the thermostat to think that the temperature in the room is higher than it is, causing the AC to run longer than necessary.

Lower the thermostat to your desired temperature

The AC unit will have an easier time cooling the house if it doesn’t have to work as hard to reach a lower temperature.

Upgrade your insulation

Cooled air will escape through cracks and gaps if you have poor insulation. This will make it harder for your air conditioner to lower the temperature in your space.

You can use rubber weatherstripping to seal doors and windows tightly. Instead of insulating the living room, you can use unfaced insulation to keep the room cool when using the air conditioner. These can be done DIY and won’t require much expertise to install these insulators. 

Close all doors and windows in the house

You want the AC unit to have as little resistance as possible when it’s working. Keep doors and windows shut as much as possible when the air conditioner is turned on, and doing this also prevents ambient air from entering the space.

All vents and registers are open and unobstructed.

Registers are moving grills responsible for distributing conditioned air throughout the house. Even with a new unit, it’s essential to check for its airflow. Make sure to keep air flowing through vents and registers open and unobstructed to maintain the unit’s efficiency.


People Also Ask

How long should it take to cool a house from 80 to 72?

It should take a house to cool from 80 to 72 by the AC unit an hour to a half. For larger rooms, it generally should take about two hours to cool the house from 80 to 72.

What is the fastest way to cool a room with AC?

The fastest way to cool a room with AC is to lower the thermostat to your desired temperature. Lowering the thermostat around two to three degrees than the ideal temperature can make a significant difference.


Conclusion

When turning your air conditioner for the first time, it’s essential to consider the different factors that can impact how long it takes to cool a house. Freon levels, insulation, and the size of your AC are some of the many factors that come to play in keeping your home cool during humid days.

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