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Portable AC not cooling at all
Posted On: September 8, 2023
It's frustrating when your portable AC unit doesn't seem to be cooling your room effectively.
There are several steps you can take to improve its cooling performance:
Proper Installation: Ensure that the portable AC unit is installed correctly and that the exhaust hose is securely connected to the window or an appropriate exhaust port.
If the hose is leaking hot air back into the room, it will reduce the unit's effectiveness.
Seal Any Air Leaks: Check around the windows and doors for any gaps or leaks where hot air from outside can enter and cool air can escape.
Seal these gaps with weatherstripping or caulk to maintain a better seal.
Use a Fan: You mentioned you have a ceiling fan.
Running a fan alongside the AC can help distribute cool air more evenly throughout the room, making it feel cooler.
Make sure the ceiling fan is rotating counterclockwise during the summer months to create a cooling breeze.
Close Curtains or Blinds: Even though you have blackout curtains, consider closing them during the hottest parts of the day to block out as much sunlight as possible.
This can help reduce the heat entering the room.
Limit Heat Sources: Turn off any unnecessary heat sources such as lights, electronics, and appliances when the AC is running.
These can contribute to the overall heat load in the room.
Maintain the AC Unit: Regularly clean or replace the air filter in your portable AC unit to ensure proper airflow.
A dirty filter can reduce cooling efficiency.
Also, make sure the unit's vents and coils are clean and free from dust and debris.
Size of the AC Unit: Ensure that the BTU (British Thermal Units) rating of your portable AC unit is appropriate for your room size.
In your case, it seems like the unit should be sufficient for a 550 sq ft room, but it's worth double-checking the specifications.
Thermostat Setting: Setting your AC to 61 degrees is quite low, and this can strain the unit.
Try setting it to a more moderate temperature, such as 72-75 degrees, and see if the room cools down effectively at that level.
Extremely low settings can lead to the unit running constantly without achieving the desired temperature.
Give It Time: It can take some time for a portable AC unit to bring the temperature down, especially if the room is very hot to begin with.
Give it a few hours to see if it starts to make a difference.
If you've tried all these steps and are still not getting the desired cooling, it's possible that the unit may have a malfunction, or it may not be adequately sized for the room.
In that case, you may want to contact the manufacturer's customer support or return the unit to the store if it's still under warranty.
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See What Our Customers Are Saying:
Feb 18, 2025
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Feb 18, 2025
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Feb 18, 2025
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
Aug 17, 2024
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Aug 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Aug 12, 2024
Just hired TwinTech Heating & Cooling to do an A/C Unit removal & reinstall to allow for landscaping access on the side of my house, and they were wonderful!
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I would highly recommend them for all of your HVAC needs! Great job guys!!
Jul 23, 2024
Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!
Jul 18, 2024
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