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digital thermostat set to 69 degrees.

DIY projects make installing a new thermostat look easy. However, hiring a professional will ensure you keep your warranty and that your installation is correct. Because the latest thermostats incorporate more recent technologies, we can help.

Delivering top-notch, five-star service every time, Harris Plumbing, Heating, Air, & Electric was founded in 1986. We provide quality service and fast response times to residents in Wilmington, DE. With upfront, honest pricing on all services, we have 30+ years of experience in home services.

Thermostat Services

If your older thermostat is not working adequately, it might lose efficiency. Signs your thermostat needs service include if room temperatures are hard to adjust, your utility bills are higher, or your HVAC does not power on when you adjust the thermostat.

We provide thermostat repair and replacement solutions for homes in the Delaware area.


Let our technicians inspect and repair your thermostat to quickly and efficiently restore your favorite temperatures.


Upgrading to a digital thermostat means you can use it with your smart home devices and adjust it remotely.

Book a same-day service for thermostat repair in Woodbury today. 

Digital Thermostats

Thermostats work directly with your HVAC system to provide pleasant room temperatures year-round. However, if your thermostat is faulty or you want to replace it with a digital/smart thermostat, turn to the experts.

One of the biggest AC mistakes is not having a programmable thermostat with your HVAC system. It can work more efficiently with adjustable settings, and you can rest assured that you are getting the maximum savings.

Our professional team installs, repairs, and services all types of digital/smart thermostats. The benefits of upgrading your thermostat include that:

  • Control your room temperatures completely: Dial your thermostat up or down depending on the forecast, even if you are not home.
  • Create comfortable temperatures and improve energy efficiency: You do not have to worry about heating or cooling rooms that you are not occupying.

Contact Harris Plumbing, Heating, Air, & Electric online to request thermostat service in Bear.

Why Choose Harris Plumbing, Heating, Air, & Electric?

Like other devices in your home, your thermostat may eventually need repair or replacement, and we can help.

Founded in 1986, Harris Plumbing, Heating, Air, & Electric offers superior home services in

Delaware. We offer convenient same-day emergency service and flexible financing with your satisfaction guaranteed. You can trust our experienced background-checked technicians, who receive ongoing training.

Ask about the Harris Happy Home Club maintenance plan for priority scheduling, no-cost trip charges, and repair discounts, backed by our money-back guarantee.

Contact Harris Plumbing, Heating, Air, & Electric online for thermostat installation service in Wilmington or Christiana.


Yes, you can program them remotely, watch your savings add up, and individualize room temperatures for more control. When replacing your old thermostat, we will integrate the new one with your HVAC unit and can program it to work with your smart home devices.

Yes, a new thermostat can help you fine-tune your room temperatures, and you can increase your energy savings with auto mode features.

Harris is Your AC Services Solution

Having a clean and functional air conditioning system is a must in every home. Homeowners should care for their AC devices by conducting basic cleaning and maintenance every year. Doing so will ensure the health of everyone in the household and prevent costly damage and high energy consumption. If homeowners note a severe problem or know it’s time for a new installation, they shouldn’t hesitate to call us. Harris Plumbing, Heating, Air & Electric technicians have the expertise necessary to guarantee that an installation or repair goes as smoothly as possible.

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