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Find Thermostat installers and replacers in Jacksonville

Avatar for DLG LLC

DLG LLC

4.92(
51
)
Approved Pro

DLG LLC

4.92(
51
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
6 years of experience

We have the experience and dedication to assist with all of your handyman services and home repairs. 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!

"I would like to give a big shout out to DLG handyman services. Very professional, reliable & reasonably priced. I love my new kitchen window. Would absolutely call again. Thanks guys"

Sandra M on July 2025

We have the experience and dedication to assist with all of your handyman services and home repairs. 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!

"I would like to give a big shout out to DLG handyman services. Very professional, reliable & reasonably priced. I love my new kitchen window. Would absolutely call again. Thanks guys"

Sandra M on July 2025


Avatar for Five Star Heating and Air, LLC

Five Star Heating and Air, LLC

4.93(
83
)
Approved Pro

Five Star Heating and Air, LLC

4.93(
83
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
19 years of experience

Here at Five Star Heating and Air, LLC, we truly believe in Five Star customer service and quality of work. You can count on us to fix your problem with fast and friendly service. Family owned and previously operated by a Retired US Navy CPO and bonded Florida Notary I Brandon keep the business going in my dad's memory with quality in mind. I avoid selling customers new equipment through expert troubleshooting and repair skills. If the unit is deemed too old to put alot of money into, then I am the one to be chosen to replace it. I do so using high quality materials and top rated equipment as in, Ruud, American Standard, Goodman. I service all brands and appreciate your business.

"I was very pleased"

Sofia S on March 2022

Here at Five Star Heating and Air, LLC, we truly believe in Five Star customer service and quality of work. You can count on us to fix your problem with fast and friendly service. Family owned and previously operated by a Retired US Navy CPO and bonded Florida Notary I Brandon keep the business going in my dad's memory with quality in mind. I avoid selling customers new equipment through expert troubleshooting and repair skills. If the unit is deemed too old to put alot of money into, then I am the one to be chosen to replace it. I do so using high quality materials and top rated equipment as in, Ruud, American Standard, Goodman. I service all brands and appreciate your business.

"I was very pleased"

Sofia S on March 2022


"Christian was professional and know his stuff. He found the problem right away"

Jalisa M on April 2025

AC Ninjas, LLC, is a quality locally owned and operated HVAC service company serving the Jacksonville area. Customer service and satisfaction is our number one priority. Call Today! Visit us online at www.AcNinjas.com

"Christian was professional and know his stuff. He found the problem right away"

Jalisa M on April 2025


Avatar for Waychoff’s Heating & Air Inc

Waychoff’s Heating & Air Inc

4.52(
515
)
Approved Pro

Waychoff’s Heating & Air Inc

4.52(
515
)
Approved Pro
Customers say: Super punctual
25 years of experience
Free onsite estimate

Our highly trained team of licensed and certified HVAC, plumbing, and electrical specialists have proudly served our Northeast Florida area customers for more than 56 years. We’ll show up ready for same-day service in fully stocked trucks, so our work begins as soon as we arrive. And with our 100% satisfaction guarantee on maintenance, repairs, and next-day installations, you can count on Fenwick Waychoff’s, better together, to get the job done right.

"Good communications, good service."

Robert P on November 2025

Our highly trained team of licensed and certified HVAC, plumbing, and electrical specialists have proudly served our Northeast Florida area customers for more than 56 years. We’ll show up ready for same-day service in fully stocked trucks, so our work begins as soon as we arrive. And with our 100% satisfaction guarantee on maintenance, repairs, and next-day installations, you can count on Fenwick Waychoff’s, better together, to get the job done right.

"Good communications, good service."

Robert P on November 2025


Avatar for Mastercraft Maintenance and Construction Services

Mastercraft Maintenance and Construction Services

5.00(
20
)
Approved Pro

Mastercraft Maintenance and Construction Services

5.00(
20
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
31 years of experience

MasterCraft Maintenance and Construction Services (MCMC) is a "all in one" service for home, business and property owners. From general repairs to remodels/renovations, from painting to drywall repairs, from plumbing to electrical - We can do and complete most any home residential or business property service that you need! With over 20 years of building maintenance in commercial and residential property management and maintenance we have the experience, competence and professionalism to provide you quality work at a fair price. Call us today for all your property maintenance and repair needs.

"Brad and his team did a great job. I had only a general idea of what I needed done based a very vague requirement from my home insurance company, but he was able to turn that into a solid plan, which was then completed quickly and at a fair price. No complaints"

Nick Z on June 2025

MasterCraft Maintenance and Construction Services (MCMC) is a "all in one" service for home, business and property owners. From general repairs to remodels/renovations, from painting to drywall repairs, from plumbing to electrical - We can do and complete most any home residential or business property service that you need! With over 20 years of building maintenance in commercial and residential property management and maintenance we have the experience, competence and professionalism to provide you quality work at a fair price. Call us today for all your property maintenance and repair needs.

"Brad and his team did a great job. I had only a general idea of what I needed done based a very vague requirement from my home insurance company, but he was able to turn that into a solid plan, which was then completed quickly and at a fair price. No complaints"

Nick Z on June 2025


Avatar for Fenwick Home Services

Fenwick Home Services

4.53(
339
)
Approved Pro

Fenwick Home Services

4.53(
339
)
Approved Pro
Customers say: Super punctual
57 years of experience
Emergency services offered

For over 50 years, Fenwick Home Services has been the trusted choice for plumbing services in Jacksonville. As a state-certified business, we bring expertise and reliability to every project. Our family-owned company is committed to providing exceptional service, and we offer financing options to make your home projects more affordable. Contact us today for all your plumbing needs.

"We were taken advantage of from a Jacksonville company when we needed help. DO NOT use this company for any plumbing, cooling or heating needs even if it’s an emergency. Please read the following: We called FENWICK for assistance with our HVAC. During a recent cold snap our HVAC system froze and required immediate attention. A technician arrived and said he couldn’t work on the system until it was defrosted. If it wasn’t frosted that night, he wasn’t sure when he or any other associate could return. He said it would cost $188.00 to defrost the system. For over an hour the associate and I, in freezing temperatures, late in the evening, using hot water from our bathroom tub and our buckets, defrosted the unit. He diagnosed the problem and said we needed a Heat Pump Defroster Sensor. (part number: HH18HA279). The part had to be ordered and would take 5 to 7 days and the part would cost $441.00. Installation could take another 5 to 7 days. FENWICK charged us $89.00 for the service visit and $188.00 to defrost the unit. The part was installed about a week later. While waiting for the part I went to their web site and found that 3 coupons were available but were not offered. We asked the technician why he didn’t offer the coupons to which he replied “that’s up to you”. I took a photo of the part number and found that the part was sold by FACTORY AUTHORIZED PARTS. I found the part on-line for $31.00 and that it was available from Amazon and could be delivered free the next day. The final cost was $490.00 for the installation of a $31.00 part. After questioning the cost, FENWICK offered to waive the $89.00 service fee and offered to honor the coupons we found on-line from their web site. Our final cost was $530.00 ($342.00 plus $188.00) for the service call. Caveat Emptor!"

Albert G on February 2025

For over 50 years, Fenwick Home Services has been the trusted choice for plumbing services in Jacksonville. As a state-certified business, we bring expertise and reliability to every project. Our family-owned company is committed to providing exceptional service, and we offer financing options to make your home projects more affordable. Contact us today for all your plumbing needs.

"We were taken advantage of from a Jacksonville company when we needed help. DO NOT use this company for any plumbing, cooling or heating needs even if it’s an emergency. Please read the following: We called FENWICK for assistance with our HVAC. During a recent cold snap our HVAC system froze and required immediate attention. A technician arrived and said he couldn’t work on the system until it was defrosted. If it wasn’t frosted that night, he wasn’t sure when he or any other associate could return. He said it would cost $188.00 to defrost the system. For over an hour the associate and I, in freezing temperatures, late in the evening, using hot water from our bathroom tub and our buckets, defrosted the unit. He diagnosed the problem and said we needed a Heat Pump Defroster Sensor. (part number: HH18HA279). The part had to be ordered and would take 5 to 7 days and the part would cost $441.00. Installation could take another 5 to 7 days. FENWICK charged us $89.00 for the service visit and $188.00 to defrost the unit. The part was installed about a week later. While waiting for the part I went to their web site and found that 3 coupons were available but were not offered. We asked the technician why he didn’t offer the coupons to which he replied “that’s up to you”. I took a photo of the part number and found that the part was sold by FACTORY AUTHORIZED PARTS. I found the part on-line for $31.00 and that it was available from Amazon and could be delivered free the next day. The final cost was $490.00 for the installation of a $31.00 part. After questioning the cost, FENWICK offered to waive the $89.00 service fee and offered to honor the coupons we found on-line from their web site. Our final cost was $530.00 ($342.00 plus $188.00) for the service call. Caveat Emptor!"

Albert G on February 2025


Avatar for Lickety-Split Air Conditioning, Plumbing, Electrical, LLC

Lickety-Split Air Conditioning, Plumbing, Electrical, LLC

5.00(
19
)
Approved Pro

Lickety-Split Air Conditioning, Plumbing, Electrical, LLC

5.00(
19
)
Approved Pro
4 years of experience
Free onsite estimate

Previously owned Premium Home Services in VA, and Home Advisor Pro for 20 years. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"The job is a full home repipe. Thurman is professional and knowledgeable.. Would recommend him anyday."

Jon B on March 2026

Previously owned Premium Home Services in VA, and Home Advisor Pro for 20 years. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"The job is a full home repipe. Thurman is professional and knowledgeable.. Would recommend him anyday."

Jon B on March 2026


"We had faulty electrical wiring. We called KO Electric, and they were there within an hour or so. John Zack was very friendly and professional. They also had reasonable prices. I would hire them again."

Rosemary C on March 2023

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!

"We had faulty electrical wiring. We called KO Electric, and they were there within an hour or so. John Zack was very friendly and professional. They also had reasonable prices. I would hire them again."

Rosemary C on March 2023


Avatar for Florida Air Flow Heating and Air LLC

Florida Air Flow Heating and Air LLC

5.00(
11
)
Approved Pro

Florida Air Flow Heating and Air LLC

5.00(
11
)
Approved Pro
Super Service Award
Customers say: Quick response
2 years of experience
Free onsite estimate

With over 10 years of experience as an A/C Specialist, Florida Air Flow Heating and Air 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!

"Reasonably priced, quick response."

Danny T on August 2025

With over 10 years of experience as an A/C Specialist, Florida Air Flow Heating and Air 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!

"Reasonably priced, quick response."

Danny T on August 2025


Avatar for Workhorse

Workhorse

4.60(
30
)
Approved Pro

Workhorse

4.60(
30
)
Approved Pro
Customers say: Quick response
Emergency services offered

We specialize in handyman services, home repairs, and more! 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 all the services we offer below and call -or- click to schedule a free estimate today! My email address has changed. I listed my new email below.

"10/10 service"

Mirza B on February 2026

We specialize in handyman services, home repairs, and more! 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 all the services we offer below and call -or- click to schedule a free estimate today! My email address has changed. I listed my new email below.

"10/10 service"

Mirza B on February 2026

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FAQs for thermostat installation and replacement projects in Jacksonville, FL

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 Jacksonville, FL homeowners’ guide to thermostat installations and replacements

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