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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon326
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in South 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
13 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


"They were very fast, reliable, and met my expectations."

Armen K on August 2023

Don't trust your property to a less qualified team. Contact our highly trained experts for quality service.

"They were very fast, reliable, and met my expectations."

Armen K on August 2023


Avatar for SoCal Climate Control - LA

SoCal Climate Control - LA

4.44(
347
)
Approved Pro

SoCal Climate Control - LA

4.44(
347
)
Approved Pro
Customers say: True professional
697 local quotes requested
7 years of experience

With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

"David Parks Senior HVAC Technician was very knowledgeable and listened to my needs. Susie in the office was polite and a joy to speak to. The crew that installed the ductwork worked efficiently and cleaned up afterwards. SoCal Climate Control did everything they promised at a reasonable price. I would recommend them to my neighbors and family members."

Greg V on October 2024

With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

"David Parks Senior HVAC Technician was very knowledgeable and listened to my needs. Susie in the office was polite and a joy to speak to. The crew that installed the ductwork worked efficiently and cleaned up afterwards. SoCal Climate Control did everything they promised at a reasonable price. I would recommend them to my neighbors and family members."

Greg V on October 2024


Avatar for Air-Tech Air Conditioning & Heating Inc

Air-Tech Air Conditioning & Heating Inc

4.83(
173
)
Approved Pro

Air-Tech Air Conditioning & Heating Inc

4.83(
173
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
143 local quotes requested

If you're looking for comfort you can count on, you've found the right place! Whether you need service-and need it fast-or you're looking to replace or invest in new equipment for your home, AirTech Air Conditioning & Heating can help. Ask around... our name is well known and respected in because we care about impressing you so much that you'll want to call us next time and every time. Award-winning Air Conditioning & Heating Company including the Angie's List Super Service Award. Free estimates on replacement systems, new installations and duct cleaning/air purification. Servicing all major brands, makes and models for central and ductless/mini-split systems. Financing is available. AirTech is a participating HERO contractor.

"Air Tech was great. I would HIGHLY recommend. I initially had 2 other companies besides Air Tech come out for a replacement estimate. Price wise Air Tech was right in the middle but were doing a lot more than the other 2 quotes I got. For example they were changing the copper refrigeration lines, which the other 2 weren’t going to do. When I called the other 2 companies to add the lines in there was going to be an additional $1500-$2000 charge. I’m very pleased with this the work that was done by Air Tech"

Deanna M on January 2024

If you're looking for comfort you can count on, you've found the right place! Whether you need service-and need it fast-or you're looking to replace or invest in new equipment for your home, AirTech Air Conditioning & Heating can help. Ask around... our name is well known and respected in because we care about impressing you so much that you'll want to call us next time and every time. Award-winning Air Conditioning & Heating Company including the Angie's List Super Service Award. Free estimates on replacement systems, new installations and duct cleaning/air purification. Servicing all major brands, makes and models for central and ductless/mini-split systems. Financing is available. AirTech is a participating HERO contractor.

"Air Tech was great. I would HIGHLY recommend. I initially had 2 other companies besides Air Tech come out for a replacement estimate. Price wise Air Tech was right in the middle but were doing a lot more than the other 2 quotes I got. For example they were changing the copper refrigeration lines, which the other 2 weren’t going to do. When I called the other 2 companies to add the lines in there was going to be an additional $1500-$2000 charge. I’m very pleased with this the work that was done by Air Tech"

Deanna M on January 2024


Avatar for CAL CLIMATE CORP

CAL CLIMATE CORP

4.97(
138
)
Approved Pro

CAL CLIMATE CORP

4.97(
138
)
Approved Pro
Customers say: True professional
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
130 local quotes requested

Cal Climate is family owned and operated, bringing a personal touch to everything we do. In 1970, founder Andrew "Andy" Sauer started the company with a simple vision - provide friendly, reliable service and products. Andy knew that Cal Climate would succeed by building a reputation based on going the extra distance. His sons, Tom and Bob, continue to carry on that awesome tradition today. We take pride in the fact that 90% of our new business comes from referral's. Please if you have any further questions or you would like to schedule a service call or a free installation appointment please contact us

"This review is long overdue, but I need to praise Calclimate for their excellent service! Tom and Chris were professional, reliable, and provided quality work. Tom replaced my father’s AC unit last summer on a short notice and provided much needed relief for my father, who was physically impaired at the time. I highly recommend Calclimate and will definitely use them again!"

Licet G on March 2025

Cal Climate is family owned and operated, bringing a personal touch to everything we do. In 1970, founder Andrew "Andy" Sauer started the company with a simple vision - provide friendly, reliable service and products. Andy knew that Cal Climate would succeed by building a reputation based on going the extra distance. His sons, Tom and Bob, continue to carry on that awesome tradition today. We take pride in the fact that 90% of our new business comes from referral's. Please if you have any further questions or you would like to schedule a service call or a free installation appointment please contact us

"This review is long overdue, but I need to praise Calclimate for their excellent service! Tom and Chris were professional, reliable, and provided quality work. Tom replaced my father’s AC unit last summer on a short notice and provided much needed relief for my father, who was physically impaired at the time. I highly recommend Calclimate and will definitely use them again!"

Licet G on March 2025


Avatar for Canyon City Air

Canyon City Air

5.00(
13
)
Approved Pro

Canyon City Air

5.00(
13
)
Approved Pro
Customers say: Quick response
68 local quotes requested
2 years of experience

Canyon City Air is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"It was a good service."

Mario G on November 2025

Canyon City Air is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"It was a good service."

Mario G on November 2025


Avatar for Harmony Electrical, Plumbing and Air

Harmony Electrical, Plumbing and Air

5.00(
12
)
Approved Pro

Harmony Electrical, Plumbing and Air

5.00(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1512 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!

"Tyler was excellent and Brian was very accommodating for my schedule. I would definitely use them in the future."

Pixie B on September 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!

"Tyler was excellent and Brian was very accommodating for my schedule. I would definitely use them in the future."

Pixie B on September 2025


Avatar for Insulation Commandos of Southern California

Insulation Commandos of Southern California

4.44(
348
)
Approved Pro

Insulation Commandos of Southern California

4.44(
348
)
Approved Pro
Customers say: True professional
425 local quotes requested
7 years of experience

Our services include: Blown in Cellulose & Fiberglass Attic Insulation, Batted (Rolled) Attic Insulation, Fireproof Blown Rockwool Insulation, Fireproof Batted Rockwool Insulation, Wall Insulation, Drill n Fill Wall & Ceiling Insulation, Crawl Space Insulation, Spray Foam Insulation, TAP Pest Control Insulation, New Construction and Commercial Insulation, Insulation Removal, Attic Air Sealing, Attic Decontamination & Sanitization, Radiant Barrier Insulation, Rodent Proofing, Soundproofing, Air Duct Replacement and Cut ins, Air Duct & Dryer Vent Cleaning, Attic Fan Installation, Indoor Air Quality products, Wildfire Ember Mesh, Kitchen Hood Venting & Dryer Duct Replacement.

"I vetted several companies for this project and Insulation Commandos was by far the most thorough and professional. The installers and workmanship were top notch and the price was reasonable. Could not be happier. "

Louis M on September 2025

Our services include: Blown in Cellulose & Fiberglass Attic Insulation, Batted (Rolled) Attic Insulation, Fireproof Blown Rockwool Insulation, Fireproof Batted Rockwool Insulation, Wall Insulation, Drill n Fill Wall & Ceiling Insulation, Crawl Space Insulation, Spray Foam Insulation, TAP Pest Control Insulation, New Construction and Commercial Insulation, Insulation Removal, Attic Air Sealing, Attic Decontamination & Sanitization, Radiant Barrier Insulation, Rodent Proofing, Soundproofing, Air Duct Replacement and Cut ins, Air Duct & Dryer Vent Cleaning, Attic Fan Installation, Indoor Air Quality products, Wildfire Ember Mesh, Kitchen Hood Venting & Dryer Duct Replacement.

"I vetted several companies for this project and Insulation Commandos was by far the most thorough and professional. The installers and workmanship were top notch and the price was reasonable. Could not be happier. "

Louis M on September 2025


Avatar for All City Plumbing, Air & Electrical

All City Plumbing, Air & Electrical

4.95(
239
)
Approved Pro

All City Plumbing, Air & Electrical

4.95(
239
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
39 local quotes requested

The industry's best technicians make the happiest customers. Turn to the pros at All City Plumbing, Air, & Electrical for all of your plumbing, HVAC, and electrical needs. Proudly serving San Bernardino, Riverside, Los Angeles, and Orange Counties. We have over 5000s 5 star reviews across the web from our thrilled customers. Our company goal is to make sure that we have 100% customer satisfaction. We have options and payment plans that can fit in everyones budget. We provide free estimates and you only pay when you're happy. It's no surprise we've received the Angie's List Super Service Award six years in a row! Established in 2009. ACP was created to deliver exceptional service with the highest quality of craftsmanship. We guarantee you will be happy with our services in that we offer a money back guarantee. Our technicians are regarded by their peers to be some of the best in the industry. Our service experts are continuously trained. There isn't a plumbing or hvac problem we can't solve. We have the experience, knowledge and focus to solve any problem you may have. Give us a call today and let us earn your confidence.

"Antonio did an excellent job fixing my faucet! He was punctual, professional, and clearly knows his craft. Not only did he repair the issue quickly and efficiently, but he also took the time to answer my other questions and explain what he was doing in a way that was easy to understand. It’s rare to find someone so knowledgeable and friendly. I really appreciate his attention to detail and great customer service—highly recommend Antonio for any plumbing work!"

Eduardo L on November 2025

The industry's best technicians make the happiest customers. Turn to the pros at All City Plumbing, Air, & Electrical for all of your plumbing, HVAC, and electrical needs. Proudly serving San Bernardino, Riverside, Los Angeles, and Orange Counties. We have over 5000s 5 star reviews across the web from our thrilled customers. Our company goal is to make sure that we have 100% customer satisfaction. We have options and payment plans that can fit in everyones budget. We provide free estimates and you only pay when you're happy. It's no surprise we've received the Angie's List Super Service Award six years in a row! Established in 2009. ACP was created to deliver exceptional service with the highest quality of craftsmanship. We guarantee you will be happy with our services in that we offer a money back guarantee. Our technicians are regarded by their peers to be some of the best in the industry. Our service experts are continuously trained. There isn't a plumbing or hvac problem we can't solve. We have the experience, knowledge and focus to solve any problem you may have. Give us a call today and let us earn your confidence.

"Antonio did an excellent job fixing my faucet! He was punctual, professional, and clearly knows his craft. Not only did he repair the issue quickly and efficiently, but he also took the time to answer my other questions and explain what he was doing in a way that was easy to understand. It’s rare to find someone so knowledgeable and friendly. I really appreciate his attention to detail and great customer service—highly recommend Antonio for any plumbing work!"

Eduardo L on November 2025

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Heating and Air Conditioning questions, answered by experts

Signs that your air conditioner capacitor is malfunctioning include a smell or smoke coming from the unit, a humming or banging noise when it starts, the system shutting off randomly, higher energy bills, and no cold air blowing out of the unit. Additionally, if your capacitor is bad, the air conditioner may not turn on at all. 

Yes, it’s best to turn off an AC unit that’s blowing hot air to prevent system damage and avoid expensive energy bills. If you let the AC continue running, it will put more strain on the condenser coil and compressor. Plus, if the AC is blowing hot air because of a refrigerant leak, it can also lead to a frozen evaporator coil.

You can protect your air conditioner in the winter by turning off the power at the thermostat and performing routine HVAC maintenance in the spring. Regular maintenance, cleaning, and repair of your AC unit helps protect it and extend its life span. If you have a window AC unit, remove it from the window and store it in a dry place during the winter. Window units cannot withstand freezing temperatures. Keeping them in your window also allows cold air to seep into your home.

Signs of a damaged evaporator coil include warm air from vents, frequent starts and stops without proper cooling, failure to turn on, refrigerant leaks, and unusual noises. If you suspect issues with your AC system or its components, it’s best to call an AC repair technician for proper diagnosis and repairs.

There are ways to detect a refrigerant leak with several different testing methods. However, most homeowners can figure out something’s wrong with their AC unit by noticing these common signs:

  • Ice forming on the evaporator coil

  • Water leaks near the AC unit

  • Frequent hissing sounds

  • Increased electric bills

  • Unit takes longer than usual to cool

  • Unit is blowing hot air

The South 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.