Video showcasing the Alexander team getting the job team, working with their customers and showcasing their fleet.

Got Service? We Do! Your Neighborhood Friend in Plumbing, Heating & Air – That’s Alexander!

Since 1996, Alexander Plumbing, Heating & Air Conditioning Co., Inc. has proudly served homes and businesses across Central New Jersey, including North Brunswick, Princeton, Somerset, Brielle, and surrounding communities. We’re here to keep your home comfortable, safe, and running smoothly whenever you need us.

Award Winning Service

Recognized For Quality, Professionalism, And Innovation In Home Services
  • Best HVAC Award 2021
  • Best Plumber Award 2023
  • Best HVAC Award 2023
  • Pulse Of The City Award Winner 2025

North Brunswick Plumbing & HVAC Services

Reliable Solutions from a Family of Plumbing & HVAC Pros

For complete residential, commercial, and industrial comfort solutions, Alexander Plumbing, Heating & Air Conditioning is the family-owned and operated company to call. Our licensed and insured team brings 30+ years of experience to every job, enabling them to tackle even the most complex plumbing, heating, air conditioning, and indoor air quality challenges and deliver results that last. 

Beyond technical expertise, we take great pride in providing excellent customer experiences. When you work with us, you'll receive services tailored to your needs and support from technicians who are friendly, professional, and respectful of your time and property. It's this combination of skill and genuine care that has made us the go-to for HVAC and plumbing services in North Brunswick, as well as throughout Central New Jersey. 

To learn more about how we can help you and schedule a plumbing or HVAC service, call (609) 772-4204 or get in touch online today.

What Does Our Decades of Experience Mean for You?

When you trust your comfort needs with Alexander Plumbing, Heating & Air Conditioning, you’ll get the advantages that only 30+ years in the industry can provide.

  • We diagnose problems faster: Our technicians recognize issues quickly because they've solved similar problems numerous times. Less time troubleshooting means faster repairs and less disruption.
  • We service all major brands: We work with Trane, Carrier, Lennox, Daikin, Ruud, Rheem, Bradford White, Navien, Rinnai, and more. Whatever equipment you have, we know how to fix it.
  • We give you honest advice: When you have questions or concerns, count on us for tailored insights and direction backed by decades of know-how.
  • We deliver lasting solutions: We use proven materials and techniques to solve problems at the source and provide upgrades with enduring value. 
  • We handle projects of any size: From a leaky faucet to a complete commercial HVAC system, we have the experience and resources to get the job done right.

As a certified green contractor, we specialize in energy-efficient solutions that lower your utility bills. Our bilingual team also offers services in English and Spanish for clear communication with every customer.

Call 24/7 for Emergency Plumbing & HVAC Services

No matter the emergency you’re dealing with, from a broken-down heater on a freezing winter day to a burst in the middle of the night, contact us immediately. 

Our around-the-clock availability means a skilled technician is always just one phone call away and ready to lend a helping hand. Every minute counts when you’re facing a plumbing disaster or HVAC failure, which is why we respond fast and work efficiently to restore our customers’ comfort and safety.

For situations that require prompt attention but aren’t quite emergencies, we provide same-day and weekend availability. After all, you shouldn’t have to wait days for service when your water heater is making strange noises, furnace won’t work properly, or air conditioner struggles to keep you cool. Our flexible scheduling accommodates your needs, not the other way around.

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Trusted by Central NJ Since 1996

See Why Homeowners Consistently Rate Us 5 Stars for Plumbing, Heating & Cooling
    "Fast & Professional!"
    Fast and professional service, the team took care of our problem and were very knowledgeable.
    - Michael S.
    "Extremely Responsive!"
    The company was extremely responsive and had immediate availability when our water heater broke!
    - Heather R.
    "Professional Service!"
    Excellent and professional service, Mike the plumber showed up promptly and diagnosed the problem. He was able to quickly remedy my problem by quickly fixing a broken pipe in ceiling over kitchen cabinets.
    - Rob C.
    "Quick & Efficient!"
    Quick service! And efficient! I had Jim, and he was a great employee, very kind and helpful.
    - Hailyyah D.
    "Highly Recommend!"
    Every aspect of the install was spot on. First time I have gotten a rave review from a city inspector. Highly recommend Ron of Alexander Plumbing.
    - Joan C.
    "Absolutely Phenomenal!"
    Alexander Plumbing is absolutely phenomenal! From start to finish, their service was everything you could hope for and more.
    - Nardina A.
    "Absolutely Terrific!"
    Absolutely terrific and professional experience. Ken inspected our needs for new AC system, and discussed options.
    - Lars H.
    "Great Customer Service!"
    In a time where customer service and ethics seem rare, it is great to see a company truly embody these characteristics.
    - Jam D.

Explore Our Offers & Share Your Feedback

  • Share Your Experience
    Loved our service? Let others know! Your feedback helps us continue providing top-notch plumbing, heating, and air solutions.
  • Affordable Solutions for Every Home
    Flexible financing makes it easy to get the services you need today, without stretching your budget. Comfort has never been more accessible.
  • Incredible Deals You Can’t Miss
    Save on plumbing, heating, and air services with our latest promotions. Check back often, your next great deal is waiting!

We Service & Install All Major Brands

  • Navien
  • Bradford
  • Rheem
  • Lennox
  • Ruud
  • Carrier
  • Ducane
  • Daikin
  • Goodman
  • Hayward
  • Trane
  • Rinnai

For All Your Plumbing & HVAC Needs, Call Us

Whether you're facing an emergency or planning a proactive upgrade, our team is ready to deliver the prompt, top-notch services you deserve. We offer flexible financing options to make investing in your comfort, efficiency, and safety accessible, no matter your budget. Plus, we back our work with valuable warranties for added peace of mind. 

For plumbing and HVAC services in North Brunswick, call (609) 772-4204 or connect with Alexander Plumbing, Heating & Air Conditioning online.

Why Choose Alexander?

Discover the Values That Make Us Your Trusted Partner in Plumbing, Heating, and Air.
  • Your Comfort, Our Mission
    Your comfort comes first, and we go the extra mile to make every visit seamless and stress-free.
  • Rapid Rescue
    When emergencies strike, Alexander Plumbing, Heating & Air Conditioning is there quick, efficient, and ready.
  • Straight Talk, Always
    We give clear updates and straight answers no surprises, just service you can trust every time.
  • Masters of the Trade
    Our team brings top-tier skills and precision to every plumbing, heating, and air project we tackle.

Contact Alexander Plumbing, Heating & Air Conditioning Today!

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Alexander Plumbing, Heating & Air Conditioning Alexander Plumbing, Heating & Air Conditioning
Give Us a Call! 609-772-4204
Where We're Located
149 Blackhorse Ln
North Brunswick Township, NJ 08902
Map & Directions
Business Hours
  • Monday - Sunday: Available 24/7
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Payments We Accept