5 Signs Your A/C Thermostat Needs to be Replaced

5 Signs Your A/C Thermostat Needs to be Replaced

The thermostat holds a sacred place among slices of Americana, a household feature that represents oh, so much more than A/C control.

We’re talking about the hub of your home’s comfort.

No matter how many plush pillows, mood lights or gotta-have-it accent pieces you load up on—your home’s comfort is rooted in its climate. And at the heart of it all?

Your thermostat. A living, breathing, thinking hub that senses real-world data and communicates it back to the machines. A slight malfunction of this nervous center, and the whole system goes down. But how can you tell if your A/C thermostat has gone bad? 

Well, there are a few obvious signs.


No. 1 | Is it old?

Basic? You betcha. Important? Hell yes!

Most thermostats are only built to last ten years or so—if your thermostat was around the last time the Yankees won a World Series, it’s time to go. That wall unit that grandpa installed before giving away the family home? Has to go. If it has an analog dial embedded in a yellowed-out housing that used to be off-white? Time to go.


No. 2 | Is your power bill too damn high?

Energy costs suspiciously high lately? It could very well be a thermostat-gone-bad! 

Your thermostat is constantly sensing the air and communicating back to the HVAC unit; if it’s faulty, it could be running at an extremely inefficient pace—ultimately running up your bill.


No. 3 | Does your HVAC constantly cycle on and off?

HVAC looking for a starring role in the next Katy Perry music video? If that thang is hot and then cold, yes and then no, in and then out—it might be time to go. It’s cycling on and off because of faulty communication from the thermostat. 

Solve those false starts with a shiny new quarterback—the thermostat you’ve been dreaming of.

No. 4 | Are your temperature readings faulty?

Listen, you know when something is off. Your HVAC reads 70 degrees—and you’re sweating through your khakis? Something is off. 

You can test this with an external thermometer, but if your in-home temps don’t match the thermostat’s readings, your system will produce at less-than-ideal performance. 


No. 5 | Does your thermostat refuse to respond?

The moment you make an adjustment—the very moment you hit the button—there should be obvious signs that your unit kicked on. 

Reach your hand up and see if there’s a current, or maybe even walk outside to see if the unit is running. Any disconnect between the temperature you set and a reaction from your HVAC means it’s time for a replacement.

Armstrong Air can help! CALL TODAY!!!

If you’re having questions about your thermostat (or what kind of thermostat is right for your home) give Armstrong Air and Heating AC contractors a call at 407-877-8090 today!