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Fullerton Comfort Without Compromise

Air Conditioning & Heating Services in Fullerton

Air Conditioning & Heating Services in Fullerton

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 technician to your home quickly or schedule a visit at a convenient time.

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Financing Options for Your Heating & Air Conditioning System

If you aren't sure about the right way to pay for your HVAC system, NEXGEN accepts all major credit cards but we also have in-house financing available upon credit approval. With low monthly payments and reasonable interest rates, our heating and air technicians can install your cooling system when you need without the stress of having to pay for it all at once.

View our financing options to learn more or schedule a visit from one of our HVAC technicians.

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 (820) 200-1614 today for a free quote or information on our warranties and maintenance plans, including our exclusive X Protection Plan.

The NEXGEN Difference

  • Next-Generation
    Comfort Solutions
    From advanced installations to lifetime warranties, we set the standard for modern, dependable home comfort.
  • Local Experts.
    Lasting Comfort.
    With deep roots across Southern California, our team delivers reliable service you can trust - done right the first time.
  • Built on Care,
    Driven by Quality
    We combine expert craftsmanship with genuine care, delivering home comfort solutions that put people first.
  • Excellent Team
    “NEXTGEN repaired my HVAC system which had an intermittent heating problem on a timely basis and it was covered under warranty. The technician was very polite an professional.”
    - Mark R.
  • Can't Say Enough Good Things
    “My thermostat took a dive on me so I went to replace it. That's where I met Breanna at Home Depot she advised me on the Ecobee one and normally I don't use big companies because of cost is always higher since they have higher overhead. However, at $49 for a diagnostic they sent someone out and that's when things got even better Lazaro was our technician. He was trustworthy and communicative and effective at explaining to me and my wife what he's doing to our unit and why. In the end because of his demeanor and character I chose to get work done through his company. I got an ionizer placed and he patched a few areas where air was escaping. Cleaned condenser and added a second capacitor and cleaned the fan on inside of my house as well as checked the coils which were fine. In summary the company is trustworthy or at least my experience was good. At at a $49 diagnostic fee it was worth it to have someone come out and let me know where I'm at. Can't say enough though about Lazaro he sold me on trusting next gen so if everyone is like him you'll find value.”
    - S.S.
  • Trustworthy Team
    “My technician Joseph was a solid and upstanding dude. He took his time doing an inspection of my old hvac system. He let me hover over him and helped educate me on the different components of the furnace and AC units. He didn’t tell me what I wanted to hear, but he told me what I needed to hear. Would trust him and his team to do my maintenance and future installs for my home.”
    - Andrew W.
  • Great Service!
    “My AC stopped working and gave me a power failure message. Ryan was dispatched as the technician to assist. He was great, he quickly diagnosed the issues (fuses and capacitors). He gave me practical solutions and was great to work with. If I have issues in the future I will be asking for him specifically.”
    - Roger D.
  • Appreciate the Team
    “Gabe was so efficient and explained everything so we could understand. He took his time to thoroughly look at all of our concerns and figure out some type of solution. I appreciate his taking the time with us!”
    - Carly N.
  • Went Above & Beyond
    “Ryan was extremely professional and knowledgeable. He took the time to thoroughly explain everything in a clear, detailed way, which I genuinely appreciated. He was clean, respectful of our space, and very thorough in his work. You can tell he takes pride in what he does. He went above and beyond, and his kindness and professionalism did not go unnoticed. Highly recommend.”
    - Erika A.

Ready For Service?

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