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Find Thermostat installers and replacers in Mchenry

Avatar for The Handy Veteran

The Handy Veteran

4.97(
139
)
Approved Pro

The Handy Veteran

4.97(
139
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
9 years of experience

The Handy Veteran is a veteran owned and operated company. We offer free estimates and stand by our motto of professional and dependable services. We want to be the one stop shop handyman for you. We offer active duty and veteran discounts. BOOKED THROUGH FEBRUARY OF 2026, NOW BOOKING FOR SPRING 2026!

"Kevin installed trim in bathroom and custom installed closet doors. Quality craftsmanship and reliable. "

Linda T on March 2026

The Handy Veteran is a veteran owned and operated company. We offer free estimates and stand by our motto of professional and dependable services. We want to be the one stop shop handyman for you. We offer active duty and veteran discounts. BOOKED THROUGH FEBRUARY OF 2026, NOW BOOKING FOR SPRING 2026!

"Kevin installed trim in bathroom and custom installed closet doors. Quality craftsmanship and reliable. "

Linda T on March 2026


Avatar for John B Ventures LLC

John B Ventures LLC

4.88(
216
)
Approved Pro

John B Ventures LLC

4.88(
216
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1 years of experience

Home Services, maintenance and installation - John B Ventures LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"We hired John B. Ventures to help us renovate our home in Lake Villa, with drywall repair (walls/ceilings), painting and electrical troubleshooting & repairs. John not only completed the projects on time, as scheduled, but did an outstanding job in everything tasked, at a very competitive price. We were satisfied beyond all expectations with the end results, and each day everything was cleaned-up! A+"

David S on February 2026

Home Services, maintenance and installation - John B Ventures LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"We hired John B. Ventures to help us renovate our home in Lake Villa, with drywall repair (walls/ceilings), painting and electrical troubleshooting & repairs. John not only completed the projects on time, as scheduled, but did an outstanding job in everything tasked, at a very competitive price. We were satisfied beyond all expectations with the end results, and each day everything was cleaned-up! A+"

David S on February 2026


Avatar for Handyman Pros

Handyman Pros

4.84(
847
)
Approved Pro

Handyman Pros

4.84(
847
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
36 years of experience

ONE CALL CAN SOLVE ALL YOUR HOUSE PROBLEMS Professional Handyman Services, Kitchen & Bath Remodeling, Plumbing, Electrical, Carpentry, Tiling, Flooring Insured Bonded Guaranteed LIVE PHONE HELP Mon-Fri 8-5 email chat after hours... Chicago Home Repair License #2209943

"Excellent response to initial phone call to schedule. Prompt and great service. Repairman knowledgeable, professional and courteous "

Marilyn F on February 2026

ONE CALL CAN SOLVE ALL YOUR HOUSE PROBLEMS Professional Handyman Services, Kitchen & Bath Remodeling, Plumbing, Electrical, Carpentry, Tiling, Flooring Insured Bonded Guaranteed LIVE PHONE HELP Mon-Fri 8-5 email chat after hours... Chicago Home Repair License #2209943

"Excellent response to initial phone call to schedule. Prompt and great service. Repairman knowledgeable, professional and courteous "

Marilyn F on February 2026


Avatar for The LasTech

The LasTech

4.82(
117
)
Approved Pro

The LasTech

4.82(
117
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
7 years of experience

Highly skilled home theater specialist. We install surround sound systems, wiring for speakers, in-wall speaker systems, and hang flat screen televisions. We install, service, and upgrade antennas. We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today!

"Job was done well quickly and efficiently very nice and personable. Good job overall."

Tommy F on February 2026

Highly skilled home theater specialist. We install surround sound systems, wiring for speakers, in-wall speaker systems, and hang flat screen televisions. We install, service, and upgrade antennas. We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today!

"Job was done well quickly and efficiently very nice and personable. Good job overall."

Tommy F on February 2026


"Came out on short notice, same day. Reasonably priced. Fixed issue quickly."

Gregory C on February 2026

CJ Russell Mechanical proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

"Came out on short notice, same day. Reasonably priced. Fixed issue quickly."

Gregory C on February 2026


Avatar for G & R Heating and Air, LLC

G & R Heating and Air, LLC

4.67(
888
)
Approved Pro

G & R Heating and Air, LLC

4.67(
888
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
12 years of experience

Stay comfortable in your home or business with heating and cooling HVAC services from G & R Heating and Air, LLC of Gilberts. We specialize in service, repair and new installs. With over 20 years of industry experience, we have the knowledge and understanding to get the job done right. Unlike others in the HVAC industry, we will not nickel and dime you. For us, customer satisfaction is our primary goal. We realize that fair prices and honest work coupled with excellent customer service will keep our customers happy. We are only happy when you are happy! Call us today!

"."

Juan M on January 2026

Stay comfortable in your home or business with heating and cooling HVAC services from G & R Heating and Air, LLC of Gilberts. We specialize in service, repair and new installs. With over 20 years of industry experience, we have the knowledge and understanding to get the job done right. Unlike others in the HVAC industry, we will not nickel and dime you. For us, customer satisfaction is our primary goal. We realize that fair prices and honest work coupled with excellent customer service will keep our customers happy. We are only happy when you are happy! Call us today!

"."

Juan M on January 2026


Avatar for Legendary Service

Legendary Service

4.96(
23
)
Approved Pro

Legendary Service

4.96(
23
)
Approved Pro
Customers say: True professional
17 years of experience
Free onsite estimate

With over 50 years of experience in HVAC and plumbing, Legendary Service is who you need to take care of your home. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

"He did a great job going over my questions and explaining the water heater, checking the plumbing and making suggestions for the future."

B P on February 2026

With over 50 years of experience in HVAC and plumbing, Legendary Service is who you need to take care of your home. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

"He did a great job going over my questions and explaining the water heater, checking the plumbing and making suggestions for the future."

B P on February 2026


The Pure Air Experts

4.74(
124
)
Approved Pro

The Pure Air Experts

4.74(
124
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
12 years of experience

The Pure Air Experts is a family-owned and women-led business dedicated to creating healthier homes through professional HVAC maintenance, repair, and dryer vent cleaning. With over 35 years of combined experience, we bring together Phillip’s 15+ years of HVAC field expertise and Lola’s 20+ years of business operations and customer-focused solutions. We specialize in improving indoor air quality with eco-friendly, health-conscious products and practices, ensuring your home is safe, comfortable, and energy-efficient. Whether you need a routine maintenance check, emergency repair, or an upgrade to your air quality systems, our team delivers reliable, results-driven service every time. Why Choose Us? - Family-Owned & Operated - Certified HVAC Expertise - Eco-Friendly Solutions for Healthier Living - Trusted by Local Families for Dependable Service Serving Northern Lake County, IL, and surrounding areas. Breathe Pure. Live Better.

"Phil was at my home within an hour of my phone call. He was professional and thorough. He explained everything he did and had my A/C unit up and running in no time. I would definitely use this company again and recommend it to others. "

Gina J on June 2025

The Pure Air Experts is a family-owned and women-led business dedicated to creating healthier homes through professional HVAC maintenance, repair, and dryer vent cleaning. With over 35 years of combined experience, we bring together Phillip’s 15+ years of HVAC field expertise and Lola’s 20+ years of business operations and customer-focused solutions. We specialize in improving indoor air quality with eco-friendly, health-conscious products and practices, ensuring your home is safe, comfortable, and energy-efficient. Whether you need a routine maintenance check, emergency repair, or an upgrade to your air quality systems, our team delivers reliable, results-driven service every time. Why Choose Us? - Family-Owned & Operated - Certified HVAC Expertise - Eco-Friendly Solutions for Healthier Living - Trusted by Local Families for Dependable Service Serving Northern Lake County, IL, and surrounding areas. Breathe Pure. Live Better.

"Phil was at my home within an hour of my phone call. He was professional and thorough. He explained everything he did and had my A/C unit up and running in no time. I would definitely use this company again and recommend it to others. "

Gina J on June 2025


"Easy scheduling, great knowledge, super friendly. Would recommend 10/10"

Daniel B on May 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Easy scheduling, great knowledge, super friendly. Would recommend 10/10"

Daniel B on May 2025


Avatar for ThermPro Heating & Cooling

ThermPro Heating & Cooling

5.00(
15
)
Approved Pro

ThermPro Heating & Cooling

5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

ThermPro Heating & Cooling We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project.  In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. We are a BBB Accredited business so you can rest assured your project will be done on time and to your satisfaction.

"I interviewed 3 other HVAC companies for an AC issue. They were the most professional and explained exactly what was needed and why. They explained the different options to meet my goals. They were timely, clean and went above and beyond the agreed job parameters by flagging a problem with the humidifier. I would highly recommend ThermoPro."

Robin D on May 2024

ThermPro Heating & Cooling We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project.  In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. We are a BBB Accredited business so you can rest assured your project will be done on time and to your satisfaction.

"I interviewed 3 other HVAC companies for an AC issue. They were the most professional and explained exactly what was needed and why. They explained the different options to meet my goals. They were timely, clean and went above and beyond the agreed job parameters by flagging a problem with the humidifier. I would highly recommend ThermoPro."

Robin D on May 2024

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FAQs for thermostat installation and replacement projects in Mchenry, IL

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 Mchenry, IL homeowners’ guide to thermostat installations and replacements

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