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Air Conditioner Maintenance Checklist
Posted On: June 6, 2024
Maintaining your air conditioner is essential for ensuring it operates efficiently and has a long lifespan.
Here's a comprehensive maintenance checklist for your air conditioner:
Monthly Maintenance.
Check Thermostat Settings Ensure the thermostat settings are accurate and set to a comfortable temperature when you’re home.
Consider programmable thermostats for better energy management.
Inspect and Clean Air Filters Check air filters every month, especially during peak usage times (summer and winter).
Replace or clean the filters if they are dirty.
Typically, this should be done every 1-3 months.
Seasonal Maintenance (Spring and Fall).
Clean Evaporator and Condenser Coils Inspect and clean the coils to ensure they are free from dust and debris, which can reduce efficiency.
Clean around the coils to improve airflow.
Inspect and Clean the Drain Line Ensure the drain line is clear of blockages and algae.
Flush with a mixture of bleach and water to keep it clear.
Check Refrigerant Levels Check the refrigerant level and top it up if necessary.
Low levels can indicate a leak that should be repaired.
Examine Ductwork Inspect ductwork for any signs of leaks or damage.
Seal any leaks with appropriate duct tape or sealant to improve efficiency.
Annual Maintenance.
Professional Tune-Up Schedule an annual professional maintenance service to inspect and tune up your system.
Inspect and Clean Fan Blades and Motor Clean the fan blades to remove any dirt and debris.
Lubricate the motor if necessary to ensure smooth operation.
Inspect Electrical Connections Check all electrical connections and tighten any loose ones.
Inspect the wiring for any signs of wear or damage.
Check and Clean Blower Components Clean the blower components to ensure efficient airflow.
Inspect the blower belt for any signs of wear and replace if necessary.
Inspect Insulation Check the insulation on refrigerant lines leading to the house.
Replace if worn or damaged.
Additional Tips.
Clear Debris from Outdoor Unit Keep the area around the outdoor unit clear of leaves, grass, and other debris to ensure proper airflow.
Trim back any vegetation that may obstruct airflow to the unit.
Test the System Run the system for a short period to ensure it’s cooling or heating properly.
Listen for any unusual noises or vibrations that could indicate a problem.
Check for Air Leaks Inspect windows and doors for air leaks and seal them to improve efficiency.
Ensure that there are no obstructions blocking the vents inside the home.
Regular maintenance of your air conditioner will not only improve its efficiency but also extend its lifespan, providing you with reliable comfort throughout the year.
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See What Our Customers Are Saying:
Aug 8, 2025
We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.
Aug 8, 2025
Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!
Feb 18, 2025
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.
Feb 18, 2025
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!
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
I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. Ive used the company in the past for my furnace so I was happy when I recognized Greg at my front door. Hes great and the service is always top notch. Id highly recommend using twintech for honest, superior service in the Durham region. Thanks!
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!
Bob, Greg & Mitch make a great team! Quick appointment times, super knowledgeable, expert troubleshooting capabilities & very customer service oriented.
I would highly recommend them for all of your HVAC needs! Great job guys!!
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