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There are 52 highly-rated local heating and air conditioning pros.

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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon751
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Pasadena

Avatar for All Temperatures Controlled

All Temperatures Controlled

4.88(
8
)
Approved Pro

All Temperatures Controlled

4.88(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 local quotes requested

All Temperatures Controlled is the top choice for quality residential and commercial HVACR services in Chatsworth, Northridge, and the Greater Los Angeles area. Established in 1978, the company handles any size or scope of heating, ventilation, air conditioning, and refrigeration work. From repairs to installation to custom design and build ductwork, All Temperatures Controlled always ensure quality work and lasting results. The company also offers preventative maintenance programs to keep HVAC and refrigeration systems at peak efficiency and performance. Financing options are also available to help home or business owners with budget concerns. Call now to schedule an appointment. For commercial clients that need immediate assistance, All Temperatures Controlled is on-call 24 hours a day, 7 days a week, offering a 2-hour window arrival time to get your business back on track in no time.

"We had ATC take a look at our HVAC system that was not running well. Another company came out and told us the entire installation was wrong and everything had to be replaced, including all ducting. The price was astronomical. They also said that some structural work needed to be done, such as cutting through drywall and the house, which was not included. When Kevin from ATC came out to look, he said the ducting and the heater were just fine. The condenser and coil were old and probably should be replaced but it wasn’t an emergency. He suggested installing a dual controller and an additional return to improve the airflow issue we were having. He also gave us a quote for three options of new condenser/coils, along with financing options. The price was a fraction of the other company and the financing allowed us to do everything now rather than later. John and Kevin came out to do the installation. THEY WERE PHENOMENAL! They arrived on time, were so pleasant to speak with, were exceptionally patient with all our questions, were extremely knowledgeable about HVAC and split systems, were neat and clean, and did an extremely professional job of installation. That included all the drywall work that was necessary! And the improvement we received was unbelievable! Every room in the house was immediately receiving excellent airflow! We really thought we were in trouble, but these guys made sure we got all the cooling/heating we needed throughout the house with as little cost to us as possible. I would highly recommend the company and would especially recommend John and Kevin. They also fixed a split unit that wasn’t working. They can do it all!! Love these guys!"

Sandy T on March 2025

All Temperatures Controlled is the top choice for quality residential and commercial HVACR services in Chatsworth, Northridge, and the Greater Los Angeles area. Established in 1978, the company handles any size or scope of heating, ventilation, air conditioning, and refrigeration work. From repairs to installation to custom design and build ductwork, All Temperatures Controlled always ensure quality work and lasting results. The company also offers preventative maintenance programs to keep HVAC and refrigeration systems at peak efficiency and performance. Financing options are also available to help home or business owners with budget concerns. Call now to schedule an appointment. For commercial clients that need immediate assistance, All Temperatures Controlled is on-call 24 hours a day, 7 days a week, offering a 2-hour window arrival time to get your business back on track in no time.

"We had ATC take a look at our HVAC system that was not running well. Another company came out and told us the entire installation was wrong and everything had to be replaced, including all ducting. The price was astronomical. They also said that some structural work needed to be done, such as cutting through drywall and the house, which was not included. When Kevin from ATC came out to look, he said the ducting and the heater were just fine. The condenser and coil were old and probably should be replaced but it wasn’t an emergency. He suggested installing a dual controller and an additional return to improve the airflow issue we were having. He also gave us a quote for three options of new condenser/coils, along with financing options. The price was a fraction of the other company and the financing allowed us to do everything now rather than later. John and Kevin came out to do the installation. THEY WERE PHENOMENAL! They arrived on time, were so pleasant to speak with, were exceptionally patient with all our questions, were extremely knowledgeable about HVAC and split systems, were neat and clean, and did an extremely professional job of installation. That included all the drywall work that was necessary! And the improvement we received was unbelievable! Every room in the house was immediately receiving excellent airflow! We really thought we were in trouble, but these guys made sure we got all the cooling/heating we needed throughout the house with as little cost to us as possible. I would highly recommend the company and would especially recommend John and Kevin. They also fixed a split unit that wasn’t working. They can do it all!! Love these guys!"

Sandy T on March 2025


"The work that was done by this Business was beyond my families expectations. Sat down and talked with us about the best options of units to choose from. That right there built the trust and this why he is our go to guy and highly recommended to our friends and family !!! Thanks for your service to the community and my family !"

Dominique U on November 2024

We specialize in residential and light commercial HVAC equipment, installation, and repair and maintenance. Over 11 years experience.

"The work that was done by this Business was beyond my families expectations. Sat down and talked with us about the best options of units to choose from. That right there built the trust and this why he is our go to guy and highly recommended to our friends and family !!! Thanks for your service to the community and my family !"

Dominique U on November 2024


Avatar for Harmony Electrical, Plumbing and Air

Harmony Electrical, Plumbing and Air

5.00(
13
)
Approved Pro

Harmony Electrical, Plumbing and Air

5.00(
13
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1517 local quotes requested

Harmony Electrical, Plumbing and Air is dedicated to delivering exceptional electrical, plumbing and Air services tailored to meet the unique needs of each client. Our mission is to ensure reliability and quality through customized solutions, supported by a team of highly skilled and experienced technicians who are always prepared to provide outstanding service. We are committed to your satisfaction and will not consider the job complete until it meets our high standards. Our pride lies in the quality of our work and our commitment to excellent customer service. Explore the range of services we offer below, and feel free to call or click to schedule your free estimate today!

"Very good company, great service and always on top of everything would highly recommend to anyone!!"

Lauren D on October 2025

Harmony Electrical, Plumbing and Air is dedicated to delivering exceptional electrical, plumbing and Air services tailored to meet the unique needs of each client. Our mission is to ensure reliability and quality through customized solutions, supported by a team of highly skilled and experienced technicians who are always prepared to provide outstanding service. We are committed to your satisfaction and will not consider the job complete until it meets our high standards. Our pride lies in the quality of our work and our commitment to excellent customer service. Explore the range of services we offer below, and feel free to call or click to schedule your free estimate today!

"Very good company, great service and always on top of everything would highly recommend to anyone!!"

Lauren D on October 2025


Avatar for Alpine Plumbing, Heating, and Air

Alpine Plumbing, Heating, and Air

4.68(
25
)
Approved Pro

Alpine Plumbing, Heating, and Air

4.68(
25
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
89 local quotes requested

Need fast, reliable plumbing help? Alpine Plumbing & Rooter serves residents and business owners throughout San Dimas, La Verne, and surrounding areas with expert services. Call the plumbers you can trust when you’re faced with a problem you need fixed right away. We have the fastest response time in the area - we’ll be at your door within 90 minutes! We put our customers first - one call can solve your home plumbing issues. We are a local, family owned and operated company based in San Dimas, specializing in drain cleaning, sewer replacement, and sewer repair services. Call the plumbers you can trust to schedule an appointment today.

"Mike came out and helped us with our plumbing issue, great service!"

Noah R on September 2025

Need fast, reliable plumbing help? Alpine Plumbing & Rooter serves residents and business owners throughout San Dimas, La Verne, and surrounding areas with expert services. Call the plumbers you can trust when you’re faced with a problem you need fixed right away. We have the fastest response time in the area - we’ll be at your door within 90 minutes! We put our customers first - one call can solve your home plumbing issues. We are a local, family owned and operated company based in San Dimas, specializing in drain cleaning, sewer replacement, and sewer repair services. Call the plumbers you can trust to schedule an appointment today.

"Mike came out and helped us with our plumbing issue, great service!"

Noah R on September 2025


Avatar for Southland Heating and Air Conditioning

Southland Heating and Air Conditioning

4.69(
154
)
Approved Pro

Southland Heating and Air Conditioning

4.69(
154
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
36 local quotes requested

Choosing the right Heating and Air Conditioning Contractor is very important. Chances are you are going to make a substantial investment in your new HVAC system with which ever contractor you choose. There is nothing worse than investing a large amount of your hard earned money in a new system and winding up with a system that is noisy, inefficient, and does not perform properly. Or even worse, one that fails prematurely. Surprisingly enough most HVAC Contractors have no formal training. Untrained HVAC Contractors frequently do not size systems properly which could result in improper cooling, very high utility bills, and even systems that fail prematurely. Before you even consider a contractor make sure they are NATE Certified and Air Balance Certified. North American Technician Excellence is the Prestigious Certification of HVAC Competence. Using a NATE certified contractor is like using a surgeon that graduated Harvard Medical School with honors. Air Balance Certified contractors understand airflow which equates to efficiency and comfort in your home. To have a system designed properly a contractor has to understand air flow. At Southland we offer this high level of expertise. Yes, we are very good at what we do and there is no question about that. Our reviews and ratings prove that. Our installations are unparalleled with every system being designed specifically to the home. All options for a quality installation are included in every system we install. From basic systems, high efficiency systems, to specialized zoning we do it all. If you are searching for a knowledgeable contractor you have found one here. We offer extremely competitive pricing and expert design knowledge.

"Very well. They did the job quickly, quietly and cleanly."

Carol J on January 2023

Choosing the right Heating and Air Conditioning Contractor is very important. Chances are you are going to make a substantial investment in your new HVAC system with which ever contractor you choose. There is nothing worse than investing a large amount of your hard earned money in a new system and winding up with a system that is noisy, inefficient, and does not perform properly. Or even worse, one that fails prematurely. Surprisingly enough most HVAC Contractors have no formal training. Untrained HVAC Contractors frequently do not size systems properly which could result in improper cooling, very high utility bills, and even systems that fail prematurely. Before you even consider a contractor make sure they are NATE Certified and Air Balance Certified. North American Technician Excellence is the Prestigious Certification of HVAC Competence. Using a NATE certified contractor is like using a surgeon that graduated Harvard Medical School with honors. Air Balance Certified contractors understand airflow which equates to efficiency and comfort in your home. To have a system designed properly a contractor has to understand air flow. At Southland we offer this high level of expertise. Yes, we are very good at what we do and there is no question about that. Our reviews and ratings prove that. Our installations are unparalleled with every system being designed specifically to the home. All options for a quality installation are included in every system we install. From basic systems, high efficiency systems, to specialized zoning we do it all. If you are searching for a knowledgeable contractor you have found one here. We offer extremely competitive pricing and expert design knowledge.

"Very well. They did the job quickly, quietly and cleanly."

Carol J on January 2023


Avatar for Priority Board Ups

Priority Board Ups

5.00(
6
)
Approved Pro

Priority Board Ups

5.00(
6
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
218 local quotes requested

Your satisfaction is very important to us, 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.

"It was such a pleasure to have Robert and his son Robert help me mount two huge televisions on the wall. They were not just great at their job, but they were amazing people overall. They were kind, friendly, respectful, and helpful. Things that I didn’t hire them to do, they offered to do it for me. Examples like cutting the TV box for us, cleaning the area, and so forth. Moreover, besides being professional and good at their job, they took their time to make sure that everything was perfect to my liking. I appreciate how they are willing to help me to the fullest. Such people like them are hard to come by nowadays. My family and I are glad to have met them through this project. We also learned that they do many other jobs as well. We will call for them again in the future if we need any other help. All in all, I highly recommend Robert and his son if you want great service. You won’t regret it."

Simyoulim S on December 2024

Your satisfaction is very important to us, 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.

"It was such a pleasure to have Robert and his son Robert help me mount two huge televisions on the wall. They were not just great at their job, but they were amazing people overall. They were kind, friendly, respectful, and helpful. Things that I didn’t hire them to do, they offered to do it for me. Examples like cutting the TV box for us, cleaning the area, and so forth. Moreover, besides being professional and good at their job, they took their time to make sure that everything was perfect to my liking. I appreciate how they are willing to help me to the fullest. Such people like them are hard to come by nowadays. My family and I are glad to have met them through this project. We also learned that they do many other jobs as well. We will call for them again in the future if we need any other help. All in all, I highly recommend Robert and his son if you want great service. You won’t regret it."

Simyoulim S on December 2024


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
848 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


Mr Flash Electric

No reviews yet

Mr Flash Electric

No reviews yet
9 years of experience

Mr. Flash Electric has over 20 years of experience in the electrical services industry, and we offer residential, commercial, and industrial electrical and HVAC services in the greater Los Angeles area. Our courteous professionals take great pride in their advanced skill sets, project management capabilities and punctuality. It is essential to entrust all electrical and HVAC systems" diagnostics and repairs to properly trained professionals who make safety their top priority. At Mr. Flash Electric, we use a unique job-based fee system, so you'll never have to worry about cost overruns due to overtime or other hidden fees. We also pay attention to the little details. Our employees wear uniforms, protective shoe covers and take special precautions in work areas. When we're through, we always recycle any material we've recovered and carefully clean up after ourselves so you don't have to. Specialty electrical Skills: Attic Fan Installation & Repair, Appliance Circuit Installation, Electrical Outlet Installation, Troubleshooting & Repair, Smoke & Carbon Monoxide Detector, Electrical Panel Repair, GFCI Outlet Installation & Repair, Electrical Panel & Breaker Replacement, Lighting Fixture Installation, Ceiling Fan Installation & Repair, Pool Power Installation & Repair, Light Switch & Dimmer Installation

Mr. Flash Electric has over 20 years of experience in the electrical services industry, and we offer residential, commercial, and industrial electrical and HVAC services in the greater Los Angeles area. Our courteous professionals take great pride in their advanced skill sets, project management capabilities and punctuality. It is essential to entrust all electrical and HVAC systems" diagnostics and repairs to properly trained professionals who make safety their top priority. At Mr. Flash Electric, we use a unique job-based fee system, so you'll never have to worry about cost overruns due to overtime or other hidden fees. We also pay attention to the little details. Our employees wear uniforms, protective shoe covers and take special precautions in work areas. When we're through, we always recycle any material we've recovered and carefully clean up after ourselves so you don't have to. Specialty electrical Skills: Attic Fan Installation & Repair, Appliance Circuit Installation, Electrical Outlet Installation, Troubleshooting & Repair, Smoke & Carbon Monoxide Detector, Electrical Panel Repair, GFCI Outlet Installation & Repair, Electrical Panel & Breaker Replacement, Lighting Fixture Installation, Ceiling Fan Installation & Repair, Pool Power Installation & Repair, Light Switch & Dimmer Installation


Avatar for All Weather Masters

All Weather Masters

5.00(
1
)

All Weather Masters

5.00(
1
)
7 years of experience

Choose All Weather Masters because we offer exceptional service with a focus on quality, customer service, and innovation that delivers real results for your comfort. Our team of experienced professionals is dedicated to providing personalized attention, exceeding expectations, and ensuring your complete satisfaction, all at a competitive price. We stand out by our quality installation, exceptional customer service and years of expertise making us the ideal choice for your home improvement or commercial project.

Choose All Weather Masters because we offer exceptional service with a focus on quality, customer service, and innovation that delivers real results for your comfort. Our team of experienced professionals is dedicated to providing personalized attention, exceeding expectations, and ensuring your complete satisfaction, all at a competitive price. We stand out by our quality installation, exceptional customer service and years of expertise making us the ideal choice for your home improvement or commercial project.


Avatar for Canyon Air Systems

Canyon Air Systems

No reviews yet

Canyon Air Systems

No reviews yet
46 years of experience

For over four decades, Canyon Air Systems has collaborated with General Contractors across a variety of construction projects, encompassing new builds, tenant upgrades, and renovations. Our expertise spans multi-family developments to individual retail locations, backed by skilled teams capable of delivering top-notch HVAC installations and design solutions.

For over four decades, Canyon Air Systems has collaborated with General Contractors across a variety of construction projects, encompassing new builds, tenant upgrades, and renovations. Our expertise spans multi-family developments to individual retail locations, backed by skilled teams capable of delivering top-notch HVAC installations and design solutions.

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Heating and Air Conditioning questions, answered by experts

While 72 degrees is a comfortable setting for many people, it’s likely not the most efficient temperature setting for your air conditioning unit. By pushing the temperature up to 75 or 78 degrees, you stand to save money on your energy bill. That said, these temperatures may be too warm to be comfortable for some people and are definitely too warm for most people to sleep comfortably.

HVAC systems should be serviced annually, no matter which type of system you have. This service visit should include an inspection, cleaning, and regular maintenance tasks, like flushing the boiler. The best time to do this varies on the system. For heating-based systems, call in a technician sometime during the fall. For air conditioners, go for the spring. Basically, schedule the service call before you plan on amping up HVAC system usage for the season. 

NATE (North American Technician Excellence) certification is not legally required for HVAC technicians in most areas, but hiring a professional with this certification is highly recommended. NATE-certified technicians demonstrated their expertise and proficiency in different types of HVAC systems, offering assurance of quality service. It's a voluntary certification, yet it indicates a commitment to professionalism and ongoing training. Choosing a NATE-certified technician often means you're working with someone who is up-to-date on industry standards and best practices, which can lead to better service, energy efficiency, and long-term cost savings.

Whether an HVAC damper should be open or closed depends on the season, the zone it controls, and the temperature in that zone. In the summer, open upstairs dampers and close lower-level dampers to get the most efficient cooling possible. In the winter, do the opposite. Cool air will naturally flow down to lower levels, while warm air will rise. This keeps your system from working harder and helps prevent common AC problems.

Yes, a dirty air filter can cause a higher electric bill. That’s because clogged filters make it harder for air to flow through your HVAC system, which forces it to work harder and use more energy. According to the U.S. Department of Energy, replacing dirty filters can save you between 5% and 15% in utility costs.

The Pasadena, CA homeowners’ guide to heating and air conditioning services

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