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It's very easy to forget all about your thermostat's batteries, but you'll remember when your HVAC system stops working!

Change Your Thermostat Batteries Yearly

Posted: February 21, 2022 by Andy

We don't have to tell you that the weather here in Northeast Ohio is still frigid. How's your thermostat doing? Did you just notice a low battery warning on it? You might not be aware that many digital and smart thermostats use batteries, while others are powered by your home's electrical or HVAC system.

It's wise to replace your thermostat's batteries on a set date every year. The start of spring or autumn is an excellent choice. Take the opportunity to replace the batteries in your carbon monoxide (CO) detectors then as well. We'll show you how easy it is to change your thermostat's batteries.

How do I know when my batteries are low or dead?

Fortunately, your thermostat tells you when its batteries are about to die, and it's time for some new ones. Almost all programmable units have a low battery indicator, and it'll display around a month or two before the battery runs out completely. This warning might be a flashing light, a battery icon, or a text notice - what matters is that you don't ignore it.

Most of us procrastinate. It's human nature. While your thermostat provides you with ample warning before its batteries die, if you wait long enough, you'll know the batteries are totally spent when your thermostat's screen is blank.

What type of batteries do I need?

Your thermostat most likely requires AA or AAA alkaline batteries, a 9-volt battery, or less often, a button-style 3V lithium battery. Check your owner's manual for the correct batteries, and if you need a button battery, carefully note the size. It's wise to keep spare batteries on hand, saving you an inconvenient trip to the store.

Even if your thermostat has a constant electrical connection, it probably has a backup battery that should be changed annually. This backup battery enables your system to continue working even if your home loses power.

How to change your thermostat's batteries

1. Gather useful items, such as a flashlight and a flat-blade screwdriver.

2. Remove the thermostat's outer cover. If your unit doesn't have a cover, gently push the thermostat itself up and off its wall mount plate.

3. Turn the thermostat (or cover) over to see the battery location. Remove the dead batteries. You may need to use a flat-blade screwdriver to dislodge the batteries and then lift them carefully with your fingers.

4. After the old batteries are out, inspect the metal spring terminals. If you see acid residue, it's a smart move to replace the thermostat with a new unit.

5. Insert the new batteries by matching the positive (+) and negative (-) signs on the thermostat with those on the battery itself.

6. After replacing the batteries, ensure the thermostat or cover is reattached to its wall plate. The metal posts should be properly aligned with the terminal screw block. Gently press the unit until it clicks into place.

Is my thermostat failing?

Even a very old thermostat may continue to function for many years. However, if your device isn't working well, or you're frequently replacing its batteries, you should replace it right away. Here are several indications that your thermostat isn't operating as it should.

1. Your HVAC system won't turn on.

2. Your furnace or air conditioner doesn't respond to changes made at the thermostat.

3. Your HVAC system is short-cycling - that is, turning on and off much more frequently than expected and only running for a short time while it's on.

4. Your thermostat keeps losing its programmed settings.

We have your thermostat needs covered

If you think your old thermostat needs replaced or you have a heating or cooling system issue, call our heating and air conditioning experts at Hey Neighbor Heating & Cooling. Our team of neighborly technicians is trained on all components of a properly-functioning HVAC system - including all types of thermostats. So, for all of your heating and air conditioning repair needs, call us at 330-262-4100 or schedule service online today!

 


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About Our Blog

Containing the most current and easy-to-read expert information in the world of heating and cooling, our blog is intended to help you stay "in the know" and make the best decisions when it comes to keeping your home and family comfortable and your HVAC system trouble-free. That's how neighbors should treat neighbors!™

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We're committed to providing fast friendly emergency service 24 hours a day 7 days a week for residential heating and air conditioning systems in Wooster, Millersburg and the surrounding areas.

Our 24-hour emergency on-call service means you'll never have to go through another cold winter night or a hot, humid summer day. We service residents of Wayne and Holmes counties with no after-hours or overtime fees, so you'll never have to worry about paying extra because your furnace or air conditioner decided it wanted to quit on the weekend or a holiday!

Our service trucks are ready for your emergency after-hours service call with over 5000 stocked parts so you don't have to wait for us to chase down the parts you need.

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Fast and done right the first time

We'll keep your Wayne County furnace running smoothly, and we service gas and electric heaters, heat pumps, ductless mini-split systems and more. Our local, licensed, friendly HVAC technicians drive fully-stocked service vans so when we troubleshoot your Holmes County HVAC system and find a faulty part, we can replace it right then! Whatever you need in the area of heating and cooling repair in Wooster, Millersburg, and the surrounding areas, we've got you covered!

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Installs and Upgrades

The right system for your home

Whether you're a homeowner in Rittman who's in the market for a new, high-efficiency furnace, a mobile home owner in Shreve who's tired of baking in the summertime or you're a property manager in Dalton looking to replace old, temperamental air conditioning systems in apartments with new reliable units, our experience enables us to quickly and accurately assess your HVAC needs. You'll get the new furnace install and central air conditioning upgrade that's right for you.

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While we don't mind visiting your home for a dead-of-winter breakdown (it's what we do), we want to help you avoid that unfortunate situation altogether. That's why we offer affordable Wayne and Holmes County seasonal HVAC maintenance to reduce the future need for heating and cooling repairs. Our thorough inspections catch little problems before they become big ones. An annual HVAC tune-up by one of our expert techs saves you money, time, and stress!

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