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HVAC General Maintenance Tips
Posted On: March 25, 2025
Here’s a handy list of HVAC general maintenance tips to keep your system running smoothly and efficiently all year long:
1. Replace or Clean Air Filters Regularly
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Frequency: Every 1-3 months, depending on usage and filter type.
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Why: Dirty filters restrict airflow, making your system work harder — leading to higher energy bills and potential damage.
2. Keep Vents and Registers Clean
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Check: Ensure vents are open and unblocked by furniture or curtains.
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Clean: Use a vacuum to remove dust and debris from registers for better airflow.
3. Check Your Thermostat
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Upgrade: Consider a programmable or smart thermostat for better control and energy savings.
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Test: Make sure the thermostat is reading the temperature accurately.
4. Clear the Condensate Drain Line
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Why: Clogs can cause water leaks and humidity issues.
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How: Flush the line with a mixture of vinegar and water every few months.
5. Inspect and Clean the Outdoor Unit (Condenser)
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Remove Debris: Keep leaves, dirt, and branches away from the unit.
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Clean Coils: Gently hose down the coils to improve heat exchange efficiency.
6. Inspect Ductwork for Leaks
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Signs: Higher energy bills, uneven temperatures, or visible dust buildup.
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Solution: Seal small leaks with duct tape or mastic sealant. For larger issues, call a professional.
7. Check Refrigerant Levels (For AC Units)
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Why: Low refrigerant can reduce cooling efficiency and damage the compressor.
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Pro Tip: Only a licensed HVAC technician should handle refrigerant checks and recharges.
8. Lubricate Moving Parts
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Components: Motors, fans, and bearings may need periodic lubrication to reduce friction and wear.
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Check: Your owner’s manual for guidance on lubrication points.
9. Test Your System Seasonally
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Spring: Test cooling mode before summer hits.
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Fall: Test heating mode before winter.
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Listen: Unusual noises like banging, hissing, or grinding may signal a problem.
10. Schedule Professional Maintenance
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Frequency: Ideally twice a year — once for cooling (spring) and once for heating (fall).
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Why: A pro can inspect electrical connections, test system performance, and spot early signs of trouble.
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See What Our Customers Are Saying:
Apr 10, 2019
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.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt 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!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
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!!!
Mar 4, 2019
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!
Feb 22, 2019
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.
Feb 16, 2019
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.
Feb 13, 2019
Fantastic team. Completed the job as per the specifications and in under 3 hours. Highly recommended Twintech.
Jan 30, 2019
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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