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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon295
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Tustin

Avatar for Global Green Solutions

Global Green Solutions

5.00(
111
)
Approved Pro

Global Green Solutions

5.00(
111
)
Approved Pro
Customers say: Quick response
20 years of experience
Free onsite estimate

Whether you need an A/C or Heater installation or repair in Los Angeles, our team of HVAC pros is here to deliver outstanding service. We're passionate about delivering an exceptional heating and air conditioning experience. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. We're committed to serving you with quality and great value. We'll come to you, listen to your needs, and then come back to you with a logical, feasible plan that works for you. Our first-time customers continually become our long-term customers time and time again, choosing us for all the heating, AC, air ducts needs. Contact us today and see what our commitment to quality is all about! We may not be related, but you'll feel like we're family. We Service Los Angeles and surrounding areas. Call us today for a free estimate!

"Excellent heating and air conditioning repair, replacement, and new installation services! Everything went smoothly and without incident from beginning to end. Before departing, they made sure the system was operating flawlessly, responded quickly, and worked effectively. Excellent service?I heartily recommend them!"

James on December 2025

Whether you need an A/C or Heater installation or repair in Los Angeles, our team of HVAC pros is here to deliver outstanding service. We're passionate about delivering an exceptional heating and air conditioning experience. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. We're committed to serving you with quality and great value. We'll come to you, listen to your needs, and then come back to you with a logical, feasible plan that works for you. Our first-time customers continually become our long-term customers time and time again, choosing us for all the heating, AC, air ducts needs. Contact us today and see what our commitment to quality is all about! We may not be related, but you'll feel like we're family. We Service Los Angeles and surrounding areas. Call us today for a free estimate!

"Excellent heating and air conditioning repair, replacement, and new installation services! Everything went smoothly and without incident from beginning to end. Before departing, they made sure the system was operating flawlessly, responded quickly, and worked effectively. Excellent service?I heartily recommend them!"

James on December 2025


Avatar for Cool Air Technologies Inc

Cool Air Technologies Inc

4.96(
460
)
Approved Pro

Cool Air Technologies Inc

4.96(
460
)
Approved Pro
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
29 years of experience

??SUPER SERVICE AWARD Winner??? Awarded 14 consecutive Years in a row! Thank you for visiting our profile. Cool Air Technologies was started over 22 years ago by Bill and Trish McIntosh. We are a small Mom and Pop company that services all of Orange County. We provide service on all makes and models. And we offer free no-pressure bids on new equipment. We accept AMEX MC, VISA and offer up to 2 Year Financing on new equipment as well. A little over 14 years ago, a few customers put us on Angie's List. And ever since we've been honored to have consecutively receive the Super Service Award (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019. It's an honor that is only bestowed upon 2% of Angie's List contractors. It is determined by Price, Customer Service, Quality, and Professionalism. We have also maintained a 5 Star Rating on Google as well as Yelp. Altogether there are over 2500 reviews on our company. We are proud of our awards. And we hope that your experience with us goes beyond your expectations. :) ‘Every job is backed by my personal guarantee that you will be completely satisfied." Bill McIntosh -owner of Cool Air Technologies. We appreciate your business and the opportunity to serve you! Bringing you comfort from our family to yours! Please contact us directly at (714) 731-9292 or (800) 453-0444

"I’ve had the pleasure of working with Bill and Cool Air Technologies on several occasions and they never disappoint. They’ve done a HVAC replacement as well as an entirely new HVAC system install with impeccable results. They were professional and communicative; answering all my questions and working through any issues promptly. I will look nowhere else for my HVAC needs and highly recommend them to anyone considering their services."

Broc Y on June 2024

??SUPER SERVICE AWARD Winner??? Awarded 14 consecutive Years in a row! Thank you for visiting our profile. Cool Air Technologies was started over 22 years ago by Bill and Trish McIntosh. We are a small Mom and Pop company that services all of Orange County. We provide service on all makes and models. And we offer free no-pressure bids on new equipment. We accept AMEX MC, VISA and offer up to 2 Year Financing on new equipment as well. A little over 14 years ago, a few customers put us on Angie's List. And ever since we've been honored to have consecutively receive the Super Service Award (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019. It's an honor that is only bestowed upon 2% of Angie's List contractors. It is determined by Price, Customer Service, Quality, and Professionalism. We have also maintained a 5 Star Rating on Google as well as Yelp. Altogether there are over 2500 reviews on our company. We are proud of our awards. And we hope that your experience with us goes beyond your expectations. :) ‘Every job is backed by my personal guarantee that you will be completely satisfied." Bill McIntosh -owner of Cool Air Technologies. We appreciate your business and the opportunity to serve you! Bringing you comfort from our family to yours! Please contact us directly at (714) 731-9292 or (800) 453-0444

"I’ve had the pleasure of working with Bill and Cool Air Technologies on several occasions and they never disappoint. They’ve done a HVAC replacement as well as an entirely new HVAC system install with impeccable results. They were professional and communicative; answering all my questions and working through any issues promptly. I will look nowhere else for my HVAC needs and highly recommend them to anyone considering their services."

Broc Y on June 2024


Avatar for All City Plumbing, Air & Electrical

All City Plumbing, Air & Electrical

4.95(
240
)
Approved Pro

All City Plumbing, Air & Electrical

4.95(
240
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
16 years of experience

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.

"We had our hot water heater replaced and I'm impressed! They didn't charge me extra for calling after 5pm. I was scared of being charged for an emergency call. They texted info of the technician coming to my house. As a woman, I appreciate knowing WHO is coming to my home. I don't want just anybody coming with my child in the house. This is a great family company. They arrived as promised and promptly stopped the old water heater from flooding my garage. My new water heater works great! They fixed my pressure regulator and I can enjoy my house again!"

Catherine S 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.

"We had our hot water heater replaced and I'm impressed! They didn't charge me extra for calling after 5pm. I was scared of being charged for an emergency call. They texted info of the technician coming to my house. As a woman, I appreciate knowing WHO is coming to my home. I don't want just anybody coming with my child in the house. This is a great family company. They arrived as promised and promptly stopped the old water heater from flooding my garage. My new water heater works great! They fixed my pressure regulator and I can enjoy my house again!"

Catherine S on November 2025


Avatar for Ionel Firuta

Ionel Firuta

4.92(
112
)
Approved Pro

Ionel Firuta

4.92(
112
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

Ionel Firuta is an elite HVAC contractor proudly serving Orange, CA, and the surrounding area with over 20 years experience in the trade. Specializing in all types of HVAC repair and installation, Ionel Firuta prides himself on his customer service, professionalism, and attention to detail. We look forward to earning your business and exceeding your expectations. Call today to schedule.

"Prompt and efficient. Clear about needed to be done and the cost."

Dennis R on July 2024

Ionel Firuta is an elite HVAC contractor proudly serving Orange, CA, and the surrounding area with over 20 years experience in the trade. Specializing in all types of HVAC repair and installation, Ionel Firuta prides himself on his customer service, professionalism, and attention to detail. We look forward to earning your business and exceeding your expectations. Call today to schedule.

"Prompt and efficient. Clear about needed to be done and the cost."

Dennis R on July 2024


Avatar for SO CAL BOYS HEATING & AIR INC

SO CAL BOYS HEATING & AIR INC

4.96(
49
)
Approved Pro

SO CAL BOYS HEATING & AIR INC

4.96(
49
)
Approved Pro
Super Service Award
Customers say: True professional
3 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"George & Earvin came out to diagnose my wall heater and were very helpful from start to finish. Highly recommend you give them a call for any HVAC related needs"

Michael S on December 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"George & Earvin came out to diagnose my wall heater and were very helpful from start to finish. Highly recommend you give them a call for any HVAC related needs"

Michael S on December 2025


Avatar for Axis Team

Axis Team

5.00(
34
)
Approved Pro

Axis Team

5.00(
34
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 years of experience

Kept facilities clean with regular sweeping, trash removal, and sanitizing. Completed regular basic maintenance, including lubricating components and replacing worn parts. Met work needs consistently by keeping good stock of parts on hand. Achieved desired performance by aligning and balancing newly installed equipment. Improved equipment function by troubleshooting issues and correcting problems. Kept buildings clean and well-maintained for everyday use. Dismantled machines, equipment, and devices to access and remove defective parts using hoists, cranes, hand tools, and power tools. Dry-wall installation and patching Home appliance installation (microwave/washer dryer/stove /refrigerator/shower door replacement/faucet replacement) Restored bathrooms to full functionality with skills in leak repair, tub patching, and toilet repair. Maintained plumbing, electrical, troubleshooting and repair abilities. Built decks from ground up with secure footings, proper rail distances, and decorative features. Completed neat and professional-looking painting work inside and outside customers' buildings. Helped homeowners and businesses with odd jobs such as random leaks and basic carpentry needs.

"Went well. had kitchen faucet replaced & drain clog snaked clear."

Bruce M on April 2025

Kept facilities clean with regular sweeping, trash removal, and sanitizing. Completed regular basic maintenance, including lubricating components and replacing worn parts. Met work needs consistently by keeping good stock of parts on hand. Achieved desired performance by aligning and balancing newly installed equipment. Improved equipment function by troubleshooting issues and correcting problems. Kept buildings clean and well-maintained for everyday use. Dismantled machines, equipment, and devices to access and remove defective parts using hoists, cranes, hand tools, and power tools. Dry-wall installation and patching Home appliance installation (microwave/washer dryer/stove /refrigerator/shower door replacement/faucet replacement) Restored bathrooms to full functionality with skills in leak repair, tub patching, and toilet repair. Maintained plumbing, electrical, troubleshooting and repair abilities. Built decks from ground up with secure footings, proper rail distances, and decorative features. Completed neat and professional-looking painting work inside and outside customers' buildings. Helped homeowners and businesses with odd jobs such as random leaks and basic carpentry needs.

"Went well. had kitchen faucet replaced & drain clog snaked clear."

Bruce M on April 2025


Avatar for Magnolia Heating & Cooling Inc

Magnolia Heating & Cooling Inc

4.80(
729
)
Approved Pro

Magnolia Heating & Cooling Inc

4.80(
729
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
74 years of experience

100% customer satisfaction is our top priority. Please check out our 2500+ 5 star reviews across the internet with an 5 Star A+ rating. Homeowners, expect nothing but the best from their HVAC contractor, and Magnolia Heating and Cooling is ready to exceed your expectations. Call today for AC or Heater Repairs, Replacement, Installation or any other service.

"As always, Magnolia exceeded expectations. Christian, my technician, was prompt, personable and proficient. I am more than satisfied with my service visit."

Rick B on August 2023

100% customer satisfaction is our top priority. Please check out our 2500+ 5 star reviews across the internet with an 5 Star A+ rating. Homeowners, expect nothing but the best from their HVAC contractor, and Magnolia Heating and Cooling is ready to exceed your expectations. Call today for AC or Heater Repairs, Replacement, Installation or any other service.

"As always, Magnolia exceeded expectations. Christian, my technician, was prompt, personable and proficient. I am more than satisfied with my service visit."

Rick B on August 2023


Avatar for Trinity Heating and AC

Trinity Heating and AC

5.00(
32
)
Approved Pro

Trinity Heating and AC

5.00(
32
)
Approved Pro
Super Service Award
Customers say: Quick response
4 years of experience
Free onsite estimate

Trinity Heating and AC is so much more than another heating/AC company. We exceed our customer’s expectations and standards in a number of ways; such as arriving within the promised time frame or leave our work space cleaner then we found it! We provide custom solutions that take all factors into consideration so we can design a system that will meet the needs of your home and everyone in it! We offer so much more then just replacement of your existing system or installation of a new one. Do you have high utility bills when you are running the system, or someone’s allergies are aggravated when running the system? No matter what your need, if it has anything to do with HEATING, COOLING, AIR FLOW, or AIR QUALITY; TRINITY HEATING AND AC is ready to help!

"Chris arrived on time and completed the work in a timely manner. Helped me set up the system and explained functions. Very professional, courteous, and efficient. I will highly recommend Chris to friends, family and associates."

Kim P on December 2025

Trinity Heating and AC is so much more than another heating/AC company. We exceed our customer’s expectations and standards in a number of ways; such as arriving within the promised time frame or leave our work space cleaner then we found it! We provide custom solutions that take all factors into consideration so we can design a system that will meet the needs of your home and everyone in it! We offer so much more then just replacement of your existing system or installation of a new one. Do you have high utility bills when you are running the system, or someone’s allergies are aggravated when running the system? No matter what your need, if it has anything to do with HEATING, COOLING, AIR FLOW, or AIR QUALITY; TRINITY HEATING AND AC is ready to help!

"Chris arrived on time and completed the work in a timely manner. Helped me set up the system and explained functions. Very professional, courteous, and efficient. I will highly recommend Chris to friends, family and associates."

Kim P on December 2025


Avatar for Darrin Durbin

Darrin Durbin

4.94(
66
)
Approved Pro

Darrin Durbin

4.94(
66
)
Approved Pro
Super Service Award
Customers say: Quality work
8 years of experience
Free onsite estimate

Darrin Durbin is the leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"Tim and his assistant Stan did a thorough inspection of my AC unit. While they recommended some work, they also said it was not completely necessary. They did not create work, they were completely honest in their assessment. I will definitely use them when it is time for repair or a new unit."

John M on September 2025

Darrin Durbin is the leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"Tim and his assistant Stan did a thorough inspection of my AC unit. While they recommended some work, they also said it was not completely necessary. They did not create work, they were completely honest in their assessment. I will definitely use them when it is time for repair or a new unit."

John M on September 2025


Avatar for Ionel Firuta

Ionel Firuta

5.00(
28
)
Approved Pro

Ionel Firuta

5.00(
28
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
10 years of experience

Air conditioning and heating, ducts with over 25 years of experience. 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'm very pleased with the work. "

JOANN R on October 2025

Air conditioning and heating, ducts with over 25 years of experience. 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'm very pleased with the work. "

JOANN R on October 2025

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Heating and Air Conditioning questions, answered by experts

It’s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won’t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

There are likely dozens of HVAC repair companies that service your area, and choosing the right one can be a tricky process. To hire the right HVAC technician, we recommend reaching out to local companies and ask the following questions:

  • Are you licensed and insured?

  • Do you have any third-party certifications?

  • Do you often work on my specific type of HVAC system?

  • Do you provide any warranty for your work?

  • Do you offer maintenance contracts for ongoing savings?

  • How many years of experience do you have?

HVAC maintenance is crucial for the longevity of your unit. Without proper care, your HVAC unit can break down frequently. In addition, a system that is dirty and not cleaned correctly will not heat or cool as efficiently and will increase your energy bills due to the increase in energy consumption. Additionally, you will probably have to replace your unit sooner than you would if it were properly maintained, which will cost you more money. 

Yes, mini split systems cool equally as well as central air. While a central system circulates air throughout the entire home at the same temperature, a mini split system allows each room to be cooled or heated at different temperatures based on your own preferences. Hire a HVAC professional to determine which type of system is best for your home.

The Tustin, 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.

What do you need done? We’ll find top pros.
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