Concrete, Painting, Roofing , and 1 more
"We hired McCormick for a bathroom remodel, and the whole process was smooth and professional. Khaled helped us make smart choices on design and materials that worked for both our budget and style. Now, our bathroom feels like a spa every time we step in. I appreciate the quality and attention to detail. These folks definitely know what they?re doing!"
Jackson M J. in December 2024

Handyman, Electrical, Plumbing
"Mark. Fokker is very professional and make you feel that you are in good hands. He was on time ready to get the job done."
Leonel B. in October 2020

Heating & Furnace Systems, A/C & Cooling Systems, Ducts
"You get what you pay for. 5 star business. He was very easy to work with. He worked efficiently, and had most of what was needed in his truck."
Christopher H. in December 2021

HVAC
"They are excellent and do great work .Very cordial and respectful. I would highly recommend them."
Donna .. in December 2021

Plumbing, HVAC, Emergency Calls , and 8 more
"Michael was very professional. He did a detail diagnostic on my water heater and gave me the findings."
Terry S. in December 2015
"Excellent sales and service Great job"
Michael C. in December 2021
Furnace: Install and repair, Generator - Install, Electric Vehicle Charging Station Installation , and 2 more
"Nathan was very helpful through the entire process of installing my Heater. Very professional and great customer service. He even fixed my 2 way switch. His prices are reasonable, best out of 3 quotes I got. I would recommend NT Electric and Heating."
Reggie T. in December 2019
In business since 2019
Additions and Remodels
About us: "RSF Construction Inc. is a 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!"
In business since 2001
Electrical, HVAC
About us: "We are Southern Californias premier heating, air conditioning, water heating and refrigeration company. Trusted by homeowners, business owners and property management since 2001, we specialize in repair, installation, energy saving strategies and preventative maintenance. See why Southern California trusts Triton Air!"
In business since 2019
About us: "With more than 10 years of experience, Keiths AC is dedicated to providing our customers with the best quality at a great price. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you! Thank You!"

HVAC NEEDS, Plumbing, Performance Air Conditioning , and 1 more
"I recently had the pleasure of working with Authority Plumbing, and I cannot recommend them highly enough. From the outset, they came to my home with a plan that demonstrated their deep understanding of plumbing challenges. Clayton, the technician assigned to my project, was exceptional. He took the time to listen to my concerns and opinions, making sure that I felt heard and valued. He explained each step, ensuring I was comfortable with the plan before proceeding. When a sub-contractor was brought on to streamline the process started making several errors, Clayton quickly took charge of the situation. They fixed these mistakes, alongside resolving my initial drainage issues, at no additional expense, was truly remarkable. The team demonstrated a genuine commitment to ensuring the work was completed to the highest standard. Thanks to their efforts, my plumbing issues have been resolved. I would not hesitate to recommend them to anyone in need of professional plumbing services."
AB684F47244A0CD28AF45256BEB426A4F6473444084C8DE5CE96E4E7803186A5 1. in October 2025

In business since 2021
Plumbing - Residential and Commercial, HVAC - Residential and Commercial
About us: "We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job."
Heat Pumps/Air Conditioning, Indoor Air Quality, Airflow (ductwork) , and 2 more
"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."
DB8D6F07601A8AFCFD664ECDAF1B0280974D1B3DBF1D17695958C0165BA29256 5. in December 2025

Furnace or Heat Pump Installation, repair, or emergency service, Service, sales, installation of water heaters and water filtration, General service, ac repair, and new installations or replacements , and 2 more
"Was a great process very efficient excellent communication very through neat and clean excellent service the gentleman were very professional ray jeremy nick and Daniel I will lei Home Depot know thank you merry Christmas sincerely Katherine Valdez"
7E3699DCA9018DF8529996E6C22B81CCA7EF1D92A1955EE2F9EBBBB328CAED13 1. in December 2025

Heating & Furnace Systems, Indoor Air Quality, A/C & Cooling Systems
"True Air Mechanical is a very great company to work with. Pete our salesman was so very helpful, and patient with us. He was concerned about finding the right system and cost effectiveness for us since we are on a fixed income. He was not a pushy salesman and gave us time to do more investigation. Brian our installer was professional, perfectionist and such a pleasure to work with. He explained all aspects of the system. True Air recommended Carrier system, heat pump and ac unit."
Anna M. in December 2015
HVAC
"I recently had the pleasure of working with SoCal Boys Heating and Air Conditioning, and I couldn't be more impressed! From the moment I called for an appointment, their customer service was exceptional. The staff was friendly, knowledgeable, and eager to assist. The technician (Gerry) arrived on time, equipped with everything needed for the job. He took the time to explain the issues with my HVAC system and provided clear options for repairs and maintenance. I appreciated his honesty and transparency—there was no upselling or unnecessary pressure, just genuine advice tailored to my needs. The repair process was quick and efficient, and I was pleasantly surprised by how reasonable the pricing was. My system is now running better than ever, and I can already feel the difference in my home’s comfort level. What stood out most was their commitment to customer satisfaction. They followed up a few days later to ensure everything was working well and that I was happy with their service."
Samantha M. in December 2024

Drain Line Breakage - Camera Locate, HVAC, Water Heaters , and 2 more
"Arrived quickly, straight-up reasonable quote for work, done quickly, pleasant guy (Raphael), took a credit card, had my invoice within 5 seconds via email. That's how it's done."
John W. in December 2017
Repair for Furnaces, Repair for Air Conditioning
"This vendor successfully completed a major complex repair project on a mobile Playstation facility for SONY. The work was completed on time and within budget."
Dave W. in September 2017

Heating and A/C
"The job was done very well; but there was some follow-up items to complete afterwards and that was done to our full satisfaction."
56FCA0E24FD7217CD04DE7D76B82581B23DA8130457F6E4E963362DA6D9788AF C. in November 2025
Tustin HVAC & Air Conditioning Contractors are rated 4.8 out of 5 based on 1789 reviews of 1789 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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