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HVAC and Plumbing Services in Fullerton

X-Performance AC & Heating Tune Up

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Why Choose Us?

NexGen is the #1 HVAC company in Southern California and is Google Certified for home services in Fullerton and throughout Orange County. Our expertise enables us to help homeowners with heating, air conditioning, and air duct issues or trouble with thermostats. We can service a wide range of different systems and are available for emergencies to take your call and address any problem. If you require an emergency sewer repair or have a gas leak or furnace problem, you can count on NexGen. Fullerton customers choose us for professional installation, high quality service, and free estimates on everything from HVAC unit repair to furnace maintenance. In addition to competitive pricing, we provide financing options so you can afford the equipment, professional service, and the help you need. Our customer service representatives can send an HVAC or plumbing technician to your home quickly or schedule a visit at a convenient time.

HVAC Services

NexGen provides the most reliable heating installation, maintenance, and repair services in the area. Despite Southern California’s mild climate, you never want to be left without heating on a chilly winter night. We service air source, ductless, geothermal, and absorption heat pumps as well as gas, oil, and electric furnaces found in homes throughout Fullerton. Our licensed technicians can also improve control over your HVAC system with digital programmable thermostats and WiFi devices that can be adjusted via the Internet. Customers rely on our professional installers and maintenance crews to provide repairs and tune-ups. These essential services help extend the life of heating and cooling equipment to help you save in the long run. We also install, repair, and maintain air conditioning systems, including traditional units, electric units, ductless units, and rooftop units. Whether you have central AC, a ductless mini-split system, or a packaged unit, you can rely on NexGen. Our team can install and service any type of system, as well as address insulation issues to help make your home more energy efficient and reduce the load on your HVAC equipment.

Plumbing Services

Plumbing emergencies can arise at any time. NexGen is available around the clock to resolve them. State-of-the-art leak detection systems enable us to pinpoint the exact problem area and apply our knowledge and expertise in non-intrusive repiping technology. If your piping needs to be replaced, you can count on us whether a gas line needs to be repaired or tree root removal is required. NexGen also addresses slow, backed up, or gurgling drains. In fact, drain cleaning is one of our main specialties. Our experienced crews employ techniques as advanced and effective as hydro jetting to clear blockages and can fix sewers using trenchless repair methods. Camera inspection is used to determine whether to perform sewer cleaning or completely repair your sewer line. Fullerton homeowners also rely on us for garbage disposal repair. If your garbage disposal is jammed, making loud noise, or doesn’t turn on, call us right away. We can often fix it quickly or install a more reliable, efficient replacement. And, since you use hot water every day, a water heater problem can affect your quality of life and safety, but we’re equipped to handle water heater repair, installation, and replacement.

Contact NexGen Today

Our heating, air conditioning, and plumbing professionals in Fullerton are standing by waiting to help. You can reach us in case of an emergency. Whether you need AC, furnace, or pipe installation, repair, or maintenance or have a gas plumbing issue, you can count on our experienced technicians. We also specialize in duct cleaning, insulation, tankless water heaters, and electric panel upgrades. Book service online or call 833-729-9735 today for a free quote or information on our warranties and maintenance plans, including our exclusive X Protection Plan.

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Select the time, date and service that you would like to set up an appointment with NexGen

Our Services

We offer our customers services for the design of systems, their manufacture, delivery and installation

Home & Commercial Cooling Services

We can help you with installation, maintenance, repair, or replacement of your air conditioning. Our skilled HVAC technicians have experience handling a variety of different air conditioning systems, including ductless mini-splits, central air conditioning units, and package units. We also carry a variety of parts for your air conditioning system, so we are able to handle any situation that may arise.
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Business & Residential Heating Services

Our background checked and Google Certified team at NexGen can help you with any situation that may arise with your Southern California heating system. We have experience handling a variety of heating systems including heat pumps, furnaces, and package units. We also carry a variety of heating repair part components, like flame sensors, gaskets, and ignitors.
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Drain Cleaning & Plumbing Services

Local plumbing experts will help solve all of your plumbing issues. Plumbing emergencies can happen at any time - our team of local plumbers can be sent out immediately to take care of your issue. Our friendly technicians are more than happy to assist! We will always provide your home or business with the most effective and cost-efficient solutions to your repair and replacement needs.
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Additional HVAC & Plumbing Services

In addition to air conditioning & heating services, our HVAC repair technicians at NexGen provide the following HVAC services in Los Angeles County, Orange County, Palm Desert & the Inland Empire.
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Featured Offers

Free Friendly Estimates Offer
$44 Drain Cleaning Coupon

X Protection Plan

Whole Home Coverage for only $29.95/Month

NexGen Guarantee

Our clients deserve service and product protection. NexGen offers a 10 YEAR WARRANTY on parts, and a LIFETIME WARRANTY on unit replacement.

Amazing Reviews From Our Loved Clients

Not only did his team deliver promptly and on time, they were friendly and left with a professional install of my new A/C unit. I can’t mention the AWESOME price I got, but needless to say they can beat any deal, and will give you the fastest 1st-rate service available.
Wayne B.
Yesterday I had NexGen install a new furnace and a/c system to replace my 30-year-old system. Their representative Jeff met with me the day before to go over the system that would work best for my home, and presented me with a price I couldn’t turn down. Incidentally, NexGen’s price was over $3,000 cheaper than all other competitors.
Jack W.
My call was promptly returned by Jeff and an appointment was scheduled for the next day. Jeff presented an offer that I couldn’t refuse! A crew was available that day and came, saw and conquered. I had A/C that evening at a very fair price. Highly recommend NexGen.
Lisa S.

Amazing Reviews From Our Loved Clients

  • Ruben is the absolute best!!! He was professional, straight forward, knowledge, and efficient. He did an amazing job maintenancing our AC unit. He kept us informed throughout the entire process and really went above and beyond to make sure we were satisfied with his service. He will be our go-to going forward for any HVAC services and issues.

    Sevi Z.

    Technician Jonathan Dimas was fast, arrived early and cordial he was also very knowledgeable and honest. I highly recommend them. Definitely will be using them again for any service needs for the AC repairs.


    James M.

    I would recommend NexGen when it comes to HVAC work in a heartbeat. Quotes are fair. They are super professional. They work fast!!! It was a quick two day job to replace our ducts and replace and install the HVAC system. They are amazing! Answered all our questions. Put our minds at ease. Walked us through everything. If anything was wrong they come right out and fixed it.

    Windy M.

  •  I used NEXGEN for the first time, for my first AC repair ever. The woman who took my call was great! Roger the technician was courteous, very knowledgable, informative and thorough. I was very satisfied that I got the best information and best job possible at a reasonable cost.


    Bill P.

    Roger was Exquisite! His work was efficient, he was fantastic, & very professional!! We are loving the cool arctic air now especially well needed during these hot So-Cal summer! THAAAANK YOU ROGER!


    Jenny-Victoria M.

    Benny and Terrance came out to my house and performed a deep clean of my HVAC AND Informed me on some problems with my AC. They performed a good job and were very professional. Pleasure to have them.


    Francisco U.

  • Roger and Martin came same day as I called to check on our problem. Very friendly and knowledgeable. Inspected our system and gave us some pointers. Thanks guys


    Jill J.

    Jesus was professional, on time, informative, Covid compliant, and all-around exceptional. Very happy with NexGen. Jair who flushed our tankless water heaters was equally as charming. You've got a great bunch of guys!


    Janice B.

    We just recently bought a house and wanted piece of mind knowing that our a/c was performing to its potential; especially during these record breaking heat. I was able to book next day service. The service delivered by Jay, was exceptional. He was respectful, professional and knowledgeable. He made me feel confident I called the right company for the job.

    Jacquelyn A.

$44 X Protect Complete System Tune Up

As the next generation of home comfort, NexGen is always after the next big thing to revolutionize the HVAC industry
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