When Should I Turn My AC on in the Spring?

A lot of people ask me, “How do I know when it’s time to turn my air conditioner on?” Even though the weather may still be chilly, these days are about transitioning into warmer weather and preparing for the summer months. The last thing you want is your AC breaking down in May! Here are some signs that signal your AC might need servicing:

Your Thermostat is Acting Strangely: This means you should call an HVAC contractor right away—but if you notice specific numbers or letters blinking on the screen, there’s probably a problem with the thermostat itself. If it turns out you don’t need any repairs, take note of what was blinking so you can let someone know at your next appointment.

You Keep Losing Cool Air: The AC works as expected for a couple of minutes and then starts blowing warm air again.: This means you should call an HVAC contractor right away—but if you notice specific numbers or letters blinking on the screen, there’s probably a problem with the thermostat itself. If it turns out you don’t need any repairs, take note of what was blinking so you can let someone know at your next appointment.


Your Fan Only Blows Warm Air: This might be fine when it’s freezing outside, but it could indicate that something is wrong with your AC and needs servicing soon!: The AC works as expected for a couple of minutes and then starts blowing warm air again. If it’s boiling in your home, check to ensure no household fans create an unpleasant cross breeze.

Your Air Conditioning Unit Is Making Strange Noises: Any knocking or clunking when the unit comes on means you need to call someone—it may be a sign that parts need replacing or inflating.: This might be fine when it’s freezing outside, but it could indicate that something is wrong with your AC and needs servicing soon! If it’s boiling in your home, check to ensure no household fans create an unpleasant cross breeze.

Any knocking or clunking when the unit comes on means you need to call someone—it may be a sign that parts need replacing or inflating. Your Energy Bills Have Skyrocketed: This is a pretty good indication that your AC may need servicing, especially if the problem started happening after a recent storm or power outage.

If you notice these signs in your home this spring, call a qualified HVAC contractor right away to schedule an appointment and prevent more significant problems from arising!​

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