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Sal Manzo Plumbing, Heating & Cooling Inc. Sal Manzo Plumbing, Heating & Cooling Inc.
Nassau & Western Suffolk (516) 347-7696
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family owned & operated

Sal Manzo Plumbing, Heating & Cooling has been around for over 30 years. We like to make things as convenient as possible for our clients. Call us & we'll treat you like family.

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Helping Customers With Their HVAC & Plumbing Needs For 30+ Years Areas We Serve

Sal Manzo Plumbing, Heating & Cooling Inc. is proud to serve Long Island.

  • Nassau County
  • Suffolk County

Long Island HVAC, Plumbing & Drain Cleaning Company 

30+ Years of Quality Service in Nassau & Suffolk Counties 

Since opening our doors in 1986, we’ve made it our mission to provide local families and businesses with exceptional HVAC, plumbing, and drain cleaning solutions. Your comfort is what drives us.

Wantagh, and areas throughout Nassau County and Suffolk County, face unique plumbing and HVAC challenges, from outdated septic systems to corrosion and saltwater damage due to coastal weather. We’ve seen it all and are prepared to handle whatever issue comes your way. Thousands of happy customers trust us for reliable solutions and know they can always count on us to deliver. 

Call us at (516) 347-7696 or contact us online to schedule a service with our licensed, insured, and trusted technicians.

Your One-Stop Shop for HVAC & Plumbing Solutions

At Sal Manzo Plumbing, Heating & Cooling Inc., we provide complete care for your home’s essential systems. From routine maintenance to quick repairs to seamless replacements, we’ve got you covered.

Drain Cleaning 
We’re the team that gets things flowing again. We also specialize in preventive maintenance and hydro-jetting to keep your drains in top shape year-round, especially in areas prone to rainfall and flooding, like Nassau County.

Heating & Air Conditioning 
From repairing boilers to installing ductless mini-split systems, we make sure your home stays at the perfect temperature, no matter the season. We also offer unique heating services such as pool heating.

Plumbing 
We specialize in a variety of plumbing solutions, including leak repairs and sump pump installations. Our team is equipped with state-of-the-art technology to quickly diagnose and fix any issue.

Water Heaters 
We install and service water heating systems, including tankless models and hybrid water heaters. If your current setup isn’t cutting it or has seen better days, give us a call for a replacement fit to your home's needs.

Water Filtration 
Clean water is the foundation of a healthy home, but issues with impurities can cause headaches for Long Island residents — particularly those on well systems. We offer whole-home filtration systems, reverse osmosis setups, and point-of-use options that give your family access to cleaner, better-tasting water.

Why Choose Sal Manzo Plumbing, Heating & Cooling Inc.?

  • Insured for Your Peace of Mind
    Our team is fully licensed, insured, and vetted.
  • Available for You on Weekends
    Don't stress about weekday bookings. We come when it's convenient!
  • Available for Emergency Help
    Get the immediate help you need, whenever you need it.
  • Affordable Financing Options
    We offer a variety of options. Call to learn about the details.
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Schedule an appointment with our local HVAC & plumbing techs today!
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Our Services

Sal Manzo Plumbing, Heating & Cooling Inc.: The HVAC & Plumbing Pros Long Island Counts On

After more than 30 years of serving Long Island, we know what matters most to our customers — care, expertise, and respect. Here’s why so many customers continue to choose us for their HVAC and plumbing needs:

  • No Surprises on Your Bill - We provide transparent pricing. We also offer free estimates for HVAC or water filtration replacements so you can decide without feeling pressured. 
  • Fair Payment Options - We charge by the job, not by the hour. Plus, we offer financing options because we believe home comfort should never feel out of reach. 
  • Warranties for Your Peace of Mind - We back up our work with guarantees on all heating and cooling repairs for one full year and two years on full system replacements.
  • Reliable Same-Day Repairs - Your time is valuable, and we don’t take that lightly. Around 99.67% of our heating and cooling calls are completed within the same day. 
  • Flexible Scheduling to Fit Your Life - We offer night and weekend appointments, with the option to book services up until 8 PM. 
  • Technicians You Can Trust - Our team is made up of licensed and insured master plumbers and technicians with specialized certifications.
  • Family-Owned Since 1986 - Our business has remained family-operated since the beginning, and we take pride in caring for our customers as we would our family.

Don’t Miss Out on These Savings!

$159.95 Air Conditioning or Heating Inspection

* Expires 7/15/25

What Is the Sal Manzo Plumbing, Heating & Cooling Inc. Red Carpet Treatment? 

We call it the "Red Carpet Treatment" because your space deserves nothing less. Our team takes extra care by using boot covers, protective mats, and handling everything with respect to keep your floors and surfaces safe while we work. 

We understand — this isn’t just a service call; it’s your home. You can count on us to fix the problem while keeping your property as clean and cared for as we found it.

See why residents of Long Island, Wantagh, Nassau County, and Suffolk County have trusted us for decades. Call (516) 347-7696 or submit a form online today!

Hear From Our Happy Customers

At Sal Manzo Plumbing, Heating & Cooling Inc., your satisfaction is our priority! See for yourself what our Customers have to say about working with us.

    Thank you so much!
    "The removal and installation of the water heater went smoothly. I'm very pleased with the work performed. I will most certainly use them in the future."
    - Manuel
    I would strongly recommend Sal Manzo Plumbing.
    "This plumbing company was recommended to me by a friend and is excellent. He is a very skilled person & worked very diligently to resolve the plumbing issue."
    - Patricia
    They are the best choice!
    "He fixed the issue at half the price the other company quoted us. They were clean, fast, efficient and HONEST!!! 100% recommend!"
    - Dee
    Very professional, showed up on time.
    "Very professional, showed up on time. Diagnosed issues accurately and clearly. Very conscientious about keeping clean work environment."
    - Neil
    I will definitely be using Sal Manzo for all my plumbing/heating needs.
    "Great, fast and quality service! Technician showed up within the scheduled time slot. Jay is very knowledgeable and was able to get my heat working within minutes."
    - Kirk
    Highly recommend using Sal Manzo.
    "He explained what he was going to do before doing it. He informed us of the price before doing the work to confirm it was alright to continue. He is very clean and left no trace of even being here."
    - Eileen
    I’m so happy I will be able to sleep comfortably tonight.
    "Five stars. I can’t say enough. Your team helped me tremendously. Knowing there are good people out there is such a good feeling. Thank you, Thank you, Thank you."
    - Nicole
    Sal Manzo Plumbing responded quickly and got the job done.
    "When my condenser reached EOL in the peak of summer. Sal Manzo Plumbing responded quickly. Dave did the assessment and installation. Within a few days we had several quotes with options along with pros and cons explained both technically and in plain English. I commend Dave for his subject matter experience, professionalism, work ethics and above all patience. Debbie at the office also did a great job addressing any questions / concerns we had on available discounts, rebates, and tax credits. Thank you."
    - Jerry

Contact Us Today

Sal Manzo Plumbing, Heating & Cooling Inc. is ready to help!
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  • Master Plumber - Long Island Certified
  • OSHA Certified
  • Plumbing Foundation of NY
  • EPA Certified
  • NY Gas Plumbing Certification - Task 86/87 Certified