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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:
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
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