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Find Thermostat installers and replacers in Fallbrook

PDS Plumbing and Air

4.43(
7
)
Approved Pro

PDS Plumbing and Air

4.43(
7
)
Approved Pro
Customers say: Quick response
19 local quotes requested
5 years of experience

Veteran-Owned & Operated | Excellence in Plumbing & HVAC Since 2016 We are a proudly veteran-owned and operated business, founded in 2016, with a commitment to integrity, discipline, and excellence. With 1,475 five-star reviews, we have built a reputation for exceptional service in Signal Hill, Clovis, and Murrieta. Our founders served in the Navy and Army, and many of our dedicated team members are veterans. We bring the same level of discipline and commitment to our work as we did in service to our country. We specialize in plumbing and HVAC maintenance, repair, and installation, ensuring reliable solutions for your home or business. It is our honor to serve your community with the highest standards of quality and professionalism. Let us handle your plumbing and HVAC needs—excellence is our mission!

"Brian Hawkins did an amazing job diagnosing and repairing the air conditioning unit. He was very kind and respectful of our home and even cleaned up outside! I would highly recommend PDS Plumbing and Air Conditioning!"

Dawne B on June 2025

Veteran-Owned & Operated | Excellence in Plumbing & HVAC Since 2016 We are a proudly veteran-owned and operated business, founded in 2016, with a commitment to integrity, discipline, and excellence. With 1,475 five-star reviews, we have built a reputation for exceptional service in Signal Hill, Clovis, and Murrieta. Our founders served in the Navy and Army, and many of our dedicated team members are veterans. We bring the same level of discipline and commitment to our work as we did in service to our country. We specialize in plumbing and HVAC maintenance, repair, and installation, ensuring reliable solutions for your home or business. It is our honor to serve your community with the highest standards of quality and professionalism. Let us handle your plumbing and HVAC needs—excellence is our mission!

"Brian Hawkins did an amazing job diagnosing and repairing the air conditioning unit. He was very kind and respectful of our home and even cleaned up outside! I would highly recommend PDS Plumbing and Air Conditioning!"

Dawne B on June 2025


Avatar for Home Run Heating and Air Conditioning, Inc.

Home Run Heating and Air Conditioning, Inc.

5.00(
4
)
Approved Pro

Home Run Heating and Air Conditioning, Inc.

5.00(
4
)
Approved Pro
37 local quotes requested
1 years of experience

Ensuring your home remains safe and comfortable means having a trusted team to service your essential systems. At Home Run Heating and Air Conditioning our highly trained and certified technicians go above and beyond to keep your Heating and Air-Conditioning equipment in top working order. With emergency repairs available 24/7 and an industry above-standard warranty guarantee on all repairs, you can count on us to deliver the convenient, quality solutions your home deserves.

"When our AC went out in the middle of a heatwave — with my wife seven months pregnant and the house sitting at 85+ degrees — I knew we needed help fast. I called several companies, but most couldn’t make it out for days or gave vague answers about pricing. Then I called HomeRUN, and they immediately stood out. They showed up on time, were professional from the start, and took the time to explain everything clearly. As a small business owner myself, I really respect that kind of honesty and follow-through. After a full inspection, they confirmed what I already suspected — our 24-year-old system had run its course. We had a few different companies come out for quotes, and HomeRUN wasn’t just the most affordable, they were also the quickest to respond and get the job done. Within just a few days, they had a brand-new, top-of-the-line unit installed. No hidden fees, no surprises — just straightforward, quality work. HomeRUN truly lived up to their name. They went to bat for us when we "

Danny F on November 2025

Ensuring your home remains safe and comfortable means having a trusted team to service your essential systems. At Home Run Heating and Air Conditioning our highly trained and certified technicians go above and beyond to keep your Heating and Air-Conditioning equipment in top working order. With emergency repairs available 24/7 and an industry above-standard warranty guarantee on all repairs, you can count on us to deliver the convenient, quality solutions your home deserves.

"When our AC went out in the middle of a heatwave — with my wife seven months pregnant and the house sitting at 85+ degrees — I knew we needed help fast. I called several companies, but most couldn’t make it out for days or gave vague answers about pricing. Then I called HomeRUN, and they immediately stood out. They showed up on time, were professional from the start, and took the time to explain everything clearly. As a small business owner myself, I really respect that kind of honesty and follow-through. After a full inspection, they confirmed what I already suspected — our 24-year-old system had run its course. We had a few different companies come out for quotes, and HomeRUN wasn’t just the most affordable, they were also the quickest to respond and get the job done. Within just a few days, they had a brand-new, top-of-the-line unit installed. No hidden fees, no surprises — just straightforward, quality work. HomeRUN truly lived up to their name. They went to bat for us when we "

Danny F on November 2025


Avatar for Redhawk Mechanical

Redhawk Mechanical

4.86(
71
)
Approved Pro

Redhawk Mechanical

4.86(
71
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
25 years of experience

Redhawk Mechanical, was founded on the basis of providing customers with the best heating and cooling practices in the industry. Since its inception, Redhawk Mechanical, has been dedicated to community, providing the top of the line HVAC products and services in your area. If you want more information about your local HVAC leaders, call us! We service all makes and models of equipment. Our trained and experienced professionals will provide you with expert analysis of your comfort needs combined with excellent installation services that guarantee optimal performance from your equipment. All this means is that you will have a reliable, efficient, and a comfort control solution for your family or business.

"WORKER WAS CLEAN, WELL MANNERED AND PROFICIANT IN FIXING THE FURNACE. I HIGHLING RECOMEND THIS COMPANY."

peter f on December 2023

Redhawk Mechanical, was founded on the basis of providing customers with the best heating and cooling practices in the industry. Since its inception, Redhawk Mechanical, has been dedicated to community, providing the top of the line HVAC products and services in your area. If you want more information about your local HVAC leaders, call us! We service all makes and models of equipment. Our trained and experienced professionals will provide you with expert analysis of your comfort needs combined with excellent installation services that guarantee optimal performance from your equipment. All this means is that you will have a reliable, efficient, and a comfort control solution for your family or business.

"WORKER WAS CLEAN, WELL MANNERED AND PROFICIANT IN FIXING THE FURNACE. I HIGHLING RECOMEND THIS COMPANY."

peter f on December 2023


Avatar for I'll Handle IT

I'll Handle IT

4.93(
237
)
Approved Pro

I'll Handle IT

4.93(
237
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
106 local quotes requested

I started "I'll Handle It" to address what I recognized as a need that homeowners have for competent, knowledgeable and courteous home improvement service professionals to help them with all manner of projects large and small. Founded in San Diego, "I'll Handle It" is a home grown business that prides itself in its responsiveness to its customers needs. At "I'll Handle It" "Professional Service You Can Rely on" is our mantra, and we can prove it.

"Dave was great! Super communicative and prompt. He helped us mount our TV that wasn’t super straightforward (a mix of brick, 1 stud and dry wall). He was fast, efficient and professional! Will definitely use him again and highly recommend. "

Farnaz N on January 2026

I started "I'll Handle It" to address what I recognized as a need that homeowners have for competent, knowledgeable and courteous home improvement service professionals to help them with all manner of projects large and small. Founded in San Diego, "I'll Handle It" is a home grown business that prides itself in its responsiveness to its customers needs. At "I'll Handle It" "Professional Service You Can Rely on" is our mantra, and we can prove it.

"Dave was great! Super communicative and prompt. He helped us mount our TV that wasn’t super straightforward (a mix of brick, 1 stud and dry wall). He was fast, efficient and professional! Will definitely use him again and highly recommend. "

Farnaz N on January 2026


Avatar for Personal Plumbing, Heating & Cooling

Personal Plumbing, Heating & Cooling

4.55(
320
)
Approved Pro

Personal Plumbing, Heating & Cooling

4.55(
320
)
Approved Pro
Customers say: Super punctual
76 local quotes requested
26 years of experience

Personal Plumbing Heating, Cooling & Electrical is a company that provides plumbing, Electrical and HVAC services for residential and commercial properties. We offer a range of services including installation, repair, and maintenance of plumbing, electrical and HVAC systems such as heating, air conditioning, pipes, water heaters, and fixtures. We also offer drain cleaning, repairs, and regular maintenance work. Our technicians are knowledgeable and highly trained. We always strive to find a solution and provide top notch customer service. As a Veteran owned and led company, we offer Veteran and senior discounts on most services.

"Took their time explaining the issues and the options available. "

Ian C on December 2025

Personal Plumbing Heating, Cooling & Electrical is a company that provides plumbing, Electrical and HVAC services for residential and commercial properties. We offer a range of services including installation, repair, and maintenance of plumbing, electrical and HVAC systems such as heating, air conditioning, pipes, water heaters, and fixtures. We also offer drain cleaning, repairs, and regular maintenance work. Our technicians are knowledgeable and highly trained. We always strive to find a solution and provide top notch customer service. As a Veteran owned and led company, we offer Veteran and senior discounts on most services.

"Took their time explaining the issues and the options available. "

Ian C on December 2025


Avatar for HVAC Empire

HVAC Empire

5.00(
1
)
Approved Pro

HVAC Empire

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We have a 75$ diagnosing fee. Detailed efficient dependable With over 6 years of experience, I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. We work for our customers on their schedule, as to make it as convenient as possible for you! We look forward to working with you!

"Great service. Will not be disappointed"

Sabrina L on May 2025

We have a 75$ diagnosing fee. Detailed efficient dependable With over 6 years of experience, I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. We work for our customers on their schedule, as to make it as convenient as possible for you! We look forward to working with you!

"Great service. Will not be disappointed"

Sabrina L on May 2025


"All of these 5 star reviews are fake!!! Look at yelp where Vadim cannot use his Ukrainian scammer contacts to creat fake reviews. Do not hire this company. This man will take your money and do no work. "

Ethan S on January 2025

Quality Mechanical Professionals, Inc. is here to serve you!

"All of these 5 star reviews are fake!!! Look at yelp where Vadim cannot use his Ukrainian scammer contacts to creat fake reviews. Do not hire this company. This man will take your money and do no work. "

Ethan S on January 2025


Avatar for MSP Heating and Air, LLC

MSP Heating and Air, LLC

4.93(
286
)
Approved Pro

MSP Heating and Air, LLC

4.93(
286
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
100 local quotes requested

We at MSP HEATING AND AIR focus on quality HVAC services over quantity. We use our years of experience and expertise, to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed! Please call us today for an estimate. We look forward to working with you! we keep your privacy

"Great service. Will use again for certain "

Mike L on September 2025

We at MSP HEATING AND AIR focus on quality HVAC services over quantity. We use our years of experience and expertise, to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed! Please call us today for an estimate. We look forward to working with you! we keep your privacy

"Great service. Will use again for certain "

Mike L on September 2025


Avatar for Legacy 777 LLC

Legacy 777 LLC

5.00(
4
)
Approved Pro

Legacy 777 LLC

5.00(
4
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

We specialize in handyman services, home repairs, home improvements, and more. Our service is efficient and prompt. We provide a service with high end standards and our clients are our top priority. Please see some of the services we offer below and call -or- click to schedule a free estimate today!

"37 Legacy did an outstanding job on getting the floor inside my shed reinforced with stronger plywood. This has been a long time coming. Now I can put a small workout bench inside (along with padding of course) so I can work out at home vice go to Planet Fitness. Again, I recommend 37 Legacy for any handiwork needed!"

Devon C on March 2025

We specialize in handyman services, home repairs, home improvements, and more. Our service is efficient and prompt. We provide a service with high end standards and our clients are our top priority. Please see some of the services we offer below and call -or- click to schedule a free estimate today!

"37 Legacy did an outstanding job on getting the floor inside my shed reinforced with stronger plywood. This has been a long time coming. Now I can put a small workout bench inside (along with padding of course) so I can work out at home vice go to Planet Fitness. Again, I recommend 37 Legacy for any handiwork needed!"

Devon C on March 2025


Avatar for Level Up Contracting Inc

Level Up Contracting Inc

4.72(
257
)
Approved Pro

Level Up Contracting Inc

4.72(
257
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
194 local quotes requested

Level Up Contracting, established in 2012, is a premier general contractor dedicated to elevating construction standards in the San Diego area. We specialize in delivering top-notch residential and commercial construction services, ensuring precision, quality, and a commitment to exceeding client expectations. From renovations to new builds, we take pride in leveling up the construction experience for our valued clients. Call us today to schedule your free estimate.

"Al did a great job ? it looks beautiful ?"

Mark M on July 2024

Level Up Contracting, established in 2012, is a premier general contractor dedicated to elevating construction standards in the San Diego area. We specialize in delivering top-notch residential and commercial construction services, ensuring precision, quality, and a commitment to exceeding client expectations. From renovations to new builds, we take pride in leveling up the construction experience for our valued clients. Call us today to schedule your free estimate.

"Al did a great job ? it looks beautiful ?"

Mark M on July 2024

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FAQs for thermostat installation and replacement projects in Fallbrook, CA

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 Fallbrook, CA homeowners’ guide to thermostat installations and replacements

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