Closed Sundays For God + Family Time 🙌❤️

What to Do If No Power Is Coming to the Thermostat

NexGen What to Do If No Power Is Coming to the Thermostat

An air conditioner provides cool air. A furnace or heat pump keeps you warm and cozy. But it’s the thermostat that’s responsible for ensuring your comfort. Your home will quickly become unpleasant if it’s not working. One of the most common reasons for this is the unit isn’t receiving power. Below, we’ll explain what to do if there’s no power coming to your thermostat (many of these issues are easy to fix). 

Check Whether the Thermostat Is On

If someone accidentally turned the thermostat off, your HVAC system won’t receive any signals to run. It’s not infeasible to brush against something and push a switch. If your thermostat has a touchscreen, it’s even easier to make a mistake. Take steps to turn the unit on and see if it lights up and your heating or cooling system kicks in.

Change the Battery

If you have a battery-operated thermostat and haven’t changed the batteries in a while, there’s no immediate cause for panic if it stops working. The controls and the display won’t have power if the battery is drained. Changing the batteries is simple. Remove the cover and refer to the user manual and symbols in the battery casing to properly insert the batteries.

Clean the Thermostat

Another simple reason no power is coming to the thermostat is it’s dirty. Dirt, dust, and virtually any other buildup can prevent it from working. Wipe down the outside of the unit regularly. To clean the inside, remove the outer cover and either wipe down the interior with a rag or use a can of compressed air. Reinstall the cover and see if the thermostat has power.

Check the Power Supply

You’ll have to look further if the problem still isn’t resolved. There should be something on the display, even if the thermostat is off. If the screen is blank, then the device isn’t receiving power. In this case, you’ll want to check for the following:

You can determine if the wiring is defective by turning the fan from the “Auto” setting to the “On” setting. The blower should start, which means your thermostat is getting power. Or, if the AC is on, turn the temperature down; if the furnace is on, turn the temperature up. The level must be higher/lower than the current room temperature. If the thermostat is receiving power, your HVAC system should start up. 

There are also more complex tests that involve checking the wire connections, disconnecting them, or using a multimeter. Unless you’re familiar with wiring in general, it’s best to consult a professional.

Call NexGen If No Power Is Coming to Your Thermostat

At NexGen, we can help select and install some of the most advanced thermostats on the market. Our team can troubleshoot and repair them as well. If your thermostat isn’t getting power, follow our suggestions above and contact us if you can’t get it working. We provide professional HVAC services throughout Southern California. To request assistance, call us at 833-729-9735.

The next generation of
home comfort - that's what we have become.

With the hard work and dedication from our team of expert HVAC technicians, our professional customer service team, our effective managers, and our visionary leadership from our President, Ismael Valdez, we have climbed to the top where we can proudly say we’re the #1 HVAC company in Southern California.
About Us 

Book an Appointment

Select the time, date and service that you would like to set up an appointment with NexGen

Amazing Reviews From Our Loved Clients

Not only did his team deliver promptly and on time, they were friendly and left with a professional install of my new A/C unit. I can’t mention the AWESOME price I got, but needless to say they can beat any deal, and will give you the fastest 1st-rate service available.
Wayne B.
Yesterday I had NexGen install a new furnace and a/c system to replace my 30-year-old system. Their representative Jeff met with me the day before to go over the system that would work best for my home, and presented me with a price I couldn’t turn down. Incidentally, NexGen’s price was over $3,000 cheaper than all other competitors.
Jack W.
My call was promptly returned by Jeff and an appointment was scheduled for the next day. Jeff presented an offer that I couldn’t refuse! A crew was available that day and came, saw and conquered. I had A/C that evening at a very fair price. Highly recommend NexGen.
Lisa S.

Amazing Reviews From Our Loved Clients

$44 X Protect Complete System Tune Up

As the next generation of home comfort, NexGen is always after the next big thing to revolutionize the HVAC industry
See the video icon-video