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Find Thermostat installers and replacers in Defiance

Avatar for J P Frisch Construction Svc Inc
J P Frisch Construction Svc Inc
4.8(
669
)

Serving Defiance, MO and surrounding areas

Angi Approved

In business since 2009

Free estimates

Credit card accepted

"Needed several projects done around my home and Jon completed them all with ease. I've used his company several times and he and his team are always on time and provide quality work. I highly recommend them for any home project - large or small."
Response time1 day
1 neighbors recently requested a quote
Recommended by92%of homeowners
Master Remodel & Construction
4.9(
15
)

Serving Defiance, MO and surrounding areas

Angi Approved

In business since 2017

Free estimates

Customers say: Quick response

"To be truthful i was very skeptical hiring anyone to put on a new deck because of all the horror stories you hear of contractors taking your deposit and never returning to finish the job. BUTâ ¦ meeting with Jacob Quick made it all very easy. I met with Jacob many times because of my apprehension and having issues with making decisions. After signing a contract, Jacob kept in contact with me on starting date, permit issues, when materials would be delivered, and if there was inclement weather conditions that they could not work that day. From the start of teardown to the finished project, they were there every day at 7:30, making sure that time was ok with me. They had a crew of 4-5 people working all day. When an issue came up, they were up front and we discussed it. I felt very relieved that all the guys were very knowledgeable and experienced. I am picky when it comes to details and the entire crew were all very concerned about the littlest details. Brian was also great at answering my questions as the deck was being built. They wanted me to be highly satisfied and i surely was. Not only did they do an outstanding job building the sturdiest deck around but when they left my house, you couldn't even tell they were thereâ ¦ my yard was clean. Soâ ¦ yes i would hire them again. They made the entire experience easy peasy for me. Also kudos to the other guys on the team who also worked their butts off in the 100 degree weather. Put your mind at ease and hire Jacob Quick with Master Remodeler. You can come by and check out my deck!!"
Car port
Car port
Car port
Bathroom remodel
Bathroom remodel

+11

Response time2 hrs
Recommended by100%of homeowners
Avatar for ComfortWorks Heating and Cooling
ComfortWorks Heating and Cooling
5.0(
6
)

Serving Defiance, MO and surrounding areas

Angi Approved

In business since 2015

Free estimates

Emergency services offered

"Lucas was prompt and professional. He diagnosed the issue and replaced my capacitor in less than 30 minutes! He also checked the freon as well. I highly recommend Lucas with ComfortWorks Heating and Cooling."
Heat Pump
Hanley HVAC Install
Hanley HVAC Install
Vans
Amana Variable Speed Gas Furnace

+3

Response time4 hrs
3 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for FixPro
FixPro
5.0(
5
)

Serving Defiance, MO and surrounding areas

Angi Approved

Free estimates

Emergency services offered

Warranties offered

FixPro is a locally owned and operated handyman service proudly serving St. Louis, St. Charles, Lincoln, Warren, Franklin, and Jefferson Counties. We specialize in high-quality home repairs, carpentry, drywall, painting, flooring, deck repair, and general maintenance—handling everything from small fixes to larger improvement projects with precision and professionalism.\n\nWith years of hands-on experience across construction, maintenance, and service industries, I built FixPro to deliver what most contractors don’t: clear communication, reliable scheduling, and work done right the first time. We show up when we say we will, diagnose issues properly, and provide straightforward solutions without cutting corners.\n\nOur approach is simple—treat every home like it’s our own. We focus on clean workmanship, long-term durability, and customer satisfaction. If you want it done right the first time, FixPro is ready.\n\nNeed Something Fixed? Hire a Pro.

Avatar for Aire Serv of St. Louis
Aire Serv of St. Louis
5.0(
5
)

Serving Defiance, MO and surrounding areas

Angi Approved

In business since 2024

Free estimates

Emergency services offered

Looking for reliable HVAC service in St. Louis? Aire Serv of St. Louis is your local expert for residential and commercial heating and cooling. From emergency AC repair during humid Missouri summers to furnace maintenance before the winter chill, our professional technicians are available to keep your home comfortable. We pride ourselves on transparent, upfront pricing, no overtime charges, and the "Done Right Promise." Whether you need a system replacement, duct cleaning, or a routine tune-up in Fenton, Webster Groves, or Kirkwood, we are the team you can trust. Breathe easy with Aire Serv—your comfort is our top priority. Call us today to schedule your service!

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FAQs for thermostat installation and replacement projects in Defiance, MO

Smart thermostats may be worth it for many homeowners. They come with various features, including voice control and smartphone apps. Vacation mode can help lower energy usage when you’re out of town for an extended period. Alert warnings let you know about major spikes or drops in temperature. Smartphone apps can track energy usage, and smart thermostats can learn your routine over time to adjust your temperature and reduce wasted energy consumption automatically.

You typically do not need more than one smart thermostat. While it’s common to see multiple mechanical thermostats throughout a large home, multiple smart thermostats may try to override each other. This can lead to problems with the HVAC system. Ensure the unit you buy has the option for dual- or multi-zoned systems to avoid compatibility issues.

Installing a programmable or smart thermostat may save you $180 per year in utility costs. A big part of this comes from a smart thermostat’s ability to learn and adapt to your regular routines. With smartphone apps or web-based interfaces, you also have the option to control your thermostat when you’re not home.

The Defiance, MO homeowners’ guide to thermostat installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.