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Is My Air Conditioner Working?

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Is My Air Conditioner Working?

Posted On: June 11, 2024

Is My Air Conditioner Working?

To determine if your air conditioner is working properly, you can follow these steps:


1. Check the Thermostat:

  • Ensure that the thermostat is set to "cool" mode.
  • Make sure the temperature setting is lower than the current room temperature.
  • Check if the thermostat display is functioning and shows the correct settings.

2. Inspect the Airflow:

  • Check the vents for proper airflow. If the air is not cool or the airflow is weak, there may be an issue.
  • Make sure the vents are not obstructed by furniture or other objects.

3. Examine the Air Filter:

  • A dirty or clogged air filter can impede airflow and reduce cooling efficiency. Replace the filter if it’s dirty.

4. Listen for the AC Unit:

  • Go outside and listen to the outdoor unit (compressor). It should be running smoothly without any unusual noises.
  • Inside, the fan should be running, and you should hear a consistent hum from the unit.

5. Check for Ice or Water:

  • Look for ice buildup on the refrigerant lines or the evaporator coil inside the unit. Ice formation can indicate a problem with the refrigerant levels or airflow.
  • Check for water leakage around the indoor unit, which might indicate a clogged drain line.

6. Feel the Air from the Unit:

  • If the air coming from the vents is not cool, there might be an issue with the refrigerant or the compressor.

7. Check the Circuit Breaker:

  • Ensure that the circuit breaker for the air conditioner is not tripped. Reset it if necessary.

8. Inspect for Error Codes:

  • Some modern thermostats or AC units display error codes when there’s an issue. Refer to the user manual for troubleshooting based on these codes.

9. Energy Bills:

  • A sudden increase in your energy bill can be a sign that your AC is working harder than it should, indicating a potential issue.

When to Call a Professional:

If you’ve checked all these items and your air conditioner still isn’t working properly, it’s time to call a professional HVAC technician. They can diagnose and fix issues related to refrigerant levels, electrical components, and other complex problems.


Would you like more detailed information on any of these steps?



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See What Our Customers Are Saying:

by Robert, Pickering on Twintech Heating and Cooling

Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.

by Brian Burns, Whitby on Twintech Heating and Cooling

The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.

by Geoff, Port Perry on Twintech Heating and Cooling

Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldn’t believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!

by MB, Ajax on Twintech Heating and Cooling

Installation was done quickly and professionally. The new furnace is quiet and provides even heat.

by Richard from Oshawa on Twintech Heating and Cooling

They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!

by Darcy from Pickering on Twintech Heating and Cooling

This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!

by gillian hooton from Uxbridge on Twintech Heating and Cooling

Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.

by dflynn in Ajax on Twintech Heating and Cooling

Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.

by alisiena from Toronto on Twintech Heating and Cooling

Fantastic team. Completed the job as per the specifications and in under 3 hours. Highly recommended Twintech.

by David from Toronto on Twintech Heating and Cooling

During the summer, I previously hired TwinTech to replace my air conditioner when it failed. They did an excellent job so when I decided to proactively replace the furnace I contacted them. The furnace I had was 22 years old and showed signs of internal leakage. It still worked but rather than wait to have it fail in cold weather, I decided to purchase a higher efficiency model before it failed and take advantage of energy efficiency rebates. TwinTech offered very useful advice on the make and model of furnace to choose including high efficiency and variable speed motor. The price was reasonable, TwinTech arrived at the allotted time, installed the new furnace (including some re-routing of exhaust lines since the existing ones were too close to other vents), removed the old furnace, tested the installation and cleaned everything up. Overall, it was a good experience, they did a great job and the new furnace is working well.

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See What Our Customers Are Saying:

by Robert Rogers on Twintech Heating and Cooling

Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.

by Robert Mizuno on Twintech Heating and Cooling

We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!

by Ruth on Twintech Heating and Cooling

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!

by Anna Chin on Twintech Heating and Cooling

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!

by Connor Agnew on Twintech Heating and Cooling

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.

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