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Seasonal HVAC Maintenance Checklist Preparing Your AC for Summer

Hey there, Yorktown Heights! As the sun starts shining brighter and the temperatures rise, it’s time to gear up for summer fun. But before you break out the sunscreen and flip-flops, let’s make sure your home is ready to beat the heat! At 123 HVAC, we’re all about keeping you cool and comfortable, so we’ve put together this handy AC maintenance checklist to get your AC in top shape for the summer months.

Cleaning and Inspection

First things first, let’s give your AC some TLC! Swap out those old air filters for fresh ones to keep the air flowing freely and your indoor air quality top-notch. Then, head outside and give your outdoor unit (the condenser) a little love by clearing away any debris that might be blocking its cool vibes. Don’t forget to check your indoor vents and registers for any sneaky obstructions, and if your coils are looking a little grimy, a quick clean will do wonders for efficiency.

Testing and Calibration

Now, let’s make sure your thermostat is on the same page as you when it comes to staying cool. Test those settings and pop in some fresh batteries if needed to ensure accurate temperature readings. And if your thermostat seems a bit off, it might be time for a little recalibration to keep things running smoothly. Finally, test the operation of your AC system by turning it on and checking for proper cooling throughout your home.

Checking Refrigerant Levels

Refrigerant is like the lifeblood of your AC system—it keeps things cool and comfortable, and proper levels are crucial for optimal performance. Inspect refrigerant lines for leaks and check refrigerant levels, topping off if necessary. If you notice any signs of low refrigerant levels or leaks, don’t sweat it—just give us a shout, and we’ll get things sorted out in no time.

Inspecting Electrical Components

Let’s give your AC’s electrical system a little check-up to make sure everything’s humming along nicely. Electrical components play a vital role in the operation of your AC system, and regular inspection can help prevent costly repairs down the line. Inspect electrical connections for signs of wear or corrosion, tightening loose connections as needed. Test capacitors and contactors for proper function, and be on the lookout for any signs of electrical issues such as overheating or buzzing, which may indicate potential problems.

Lubrication and Moving Parts

Time to get your AC’s moving parts feeling smooth and slick! A little lubrication goes a long way in keeping things running like a well-oiled machine. So, give those fan motors and bearings a little love, make sure your fan blades are in tip-top shape, and give your condensate drain lines a clear path to keep things flowing smoothly. Additionally, cleaning and inspecting condensate drain lines can help prevent clogs and water damage to your system.

Assessing Airflow

Let’s make sure the cool air is getting where it needs to go! Test out those vents and registers to make sure they’re blowing strong, and if you notice any weak spots, it might be time to give your air ducts a little attention. And don’t forget to balance things out with some damper adjustments for consistent comfort throughout your home.

Testing Safety Features

Safety first, folks! Take a moment to check your carbon monoxide and smoke detectors to make sure they’re ready to spring into action if needed. And don’t forget about those emergency shutoff switches—they’re your AC’s best friend in case of any surprises.

Planning for Professional Maintenance

While DIY maintenance is all well and good, sometimes it’s best to leave things to the pros.  Schedule a visit from our friendly team at 123 HVAC for a thorough once-over before the summer kicks into high gear. We can provide comprehensive maintenance services, addressing any issues and ensuring your AC system is ready to tackle the summer heat with ease. Consider signing up for a maintenance plan for regular service throughout the year to keep your HVAC system in peak condition.


With your AC maintenance checklist in hand, you’re all set to tackle summer like a pro!  By following our tips and scheduling professional maintenance with us, you can ensure your AC system is ready to keep you cool and comfortable all summer long. So, take a deep breath, soak up the sun, and leave the rest to us at 123 HVAC—we’ve got you covered!

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