You Will Become a Customer for Life Guaranteed

Plumbing, Heating, Cooling, Water Treatment, Electrical & Indoor Air Quality Service in Piscataway, NJ

Guaranteed Service is Available for Same-Day Appointments – Call Us 24/7!

Are you looking for a highly trained team of HVAC technicians, plumbers, and electricians, all in one place? Do you want the best for your home and expect to receive nothing less that the latest, industry-leading products? And are you ready for 100% customer satisfaction after each and every service? If this sounds familiar to you, make sure to call Guaranteed Service!

Our Piscataway plumbers, HVAC techs, and electricians are available by phone at (732) 412-1134.

AC & Furnace Repair, Installation & Tune-Ups in Piscataway

New Jersey is a state where it’s important to have comprehensive heating and cooling equipment. As great as New Jersey summers are, they can sure get hot. On the other hand, you definitely don’t want to be stuck without heat when winter rolls around, especially when the snow starts falling during the coldest months.

Fortunately, Guaranteed Service has you covered when it comes to all things heating and air conditioning. Whether your heater has broken down in the middle of a freezing night or your AC unit has begun leaking during a heatwave, you can trust us to be there ASAP with the latest, energy-efficient tools and technology to get the job done.

Our Piscataway AC and heating services include:

  • Air conditioning repair and maintenance
  • Air conditioning installation and replacement
  • Ductless air conditioning repair and replacements
  • Heating repair and maintenance
  • Heating installation and replacement
  • Furnace repair and installation
  • Boiler repair and installation

Plumbers in Piscataway, NJ

You use your plumbing system constantly, every day. From getting rid of harmful wastewater, to bringing in potable drinking water, to venting dangerous gasses, functioning plumbing is essential from morning to night. That’s why our plumbers at Guaranteed Service offer options to keep your water running and your family safe. No job is too big or too small for our team and with repairs and installation for multiple appliances and fixtures, we make it easy to keep your plumbing system up-to-date.

Some of our most popular Piscataway plumbing services include:

  • Water heater services
  • Drain cleaning
  • Leak detection
  • Plumbing repair and maintenance
  • Kitchen and bathroom remodeling

Electricians in Piscataway, NJ

When it comes to electrical services, safety is the name of the game. Luckily, our experienced Piscataway electricians at Guaranteed Service offer the professional service necessary to always keep your home secure. Attempting DIY electrical work is not only very dangerous, it can also put your home at risk. But with our expert team, your power will be working and your lights will be on again in no time and with no additional risk to your household.

Call our Piscataway electrical pros anytime for:

  • Electrical repair
  • Electrical inspections
  • Generator installation
  • Electrical panel upgrades
  • Lighting services

Financing Options & Specials

We offer Piscataway plumbing service, HVAC service, and electrical service you can rely on. From preventative maintenance to brand new installations, our licensed and highly trained technicians have the skills and knowledge needed to get the job done. With a range of financing options and online coupons, you can always afford to hire Guaranteed Service.

Call (732) 412-1134 today, and get ready to experience 100% customer satisfaction—guaranteed!

Learn About Guaranteed Service

  • You’ll Become a Customer for Life
  • Welcome to Guaranteed Service!
  • See Why They Become Customers for Life!

Indoor Air Quality Improvements

In addition to top-notch HVAC repairs, maintenance, and replacements, Guaranteed Service is also proud to offer indoor air quality services in Piscataway and surrounding communities. We can provide humidifier and dehumidifier installation and repair to keep your home fresh and mold-free year-round, and with air purifiers and cleaners available as well, we make it easy for your whole family to breathe easier and feel better.

Water Filtration Services in Piscataway

Our plumbers at Guaranteed Service are proud to now provide Piscataway water treatment services, so you always have great-tasting, clean drinking water. Call today for water treatment repairs and installations for all the best products. Our experts can offer you water filtration systems and water softening systems. And if you are ever unsure about the quality of your water, just call us for water testing service!

Guaranteed Service: Here When You Need Us Most

You know what the best part of hiring Guaranteed Service is? We are available 24/27/365 for emergency plumbing, electrical, and heating and AC services! So whether you need a repair at night, over the weekend, or even on a holiday, you can count on us to get to your home ASAP. Call today for honest, upfront pricing on installations, and remember that each new piece of equipment comes with a lifetime guarantee!

Guaranteed Service is available by phone at (732) 412-1134, or you can contact us online.

Our Pledge:

As an Employee of Guaranteed Service
  • I will always ask the customer at the end of my visit if they are completely satisfied with my visit and the service provided. If they are not, I will do everything in my power to make sure that they are.

  • I promise not to mislead or offer any customer products or services that they do not need or want.

  • I promise to always be ethical and do the right thing, every time.

  • I promise to take personal responsibility for the satisfaction of every customer and will follow all company policies and procedures at all times.

  • I will provide every customer, regardless of size of project, with every available option, which will allow them to make the repair or replacement decision that best suits their needs.

  • I promise to always use my technical knowledge and skill to diagnose all of our customers issues as efficiently and quickly as possible, while providing constant updates to our customer every step of the way.


  • Best HVAC experience I’ve ever had. “The guys at Guaranteed are the best. Al Giordano was friendly, on time and knowledgeable. He helped us pick out the best system for our home. Brian and Nick installed the system in one day. They were efficient, respectful and clean. The job came out better than I could’ve imagined. Best HVAC experience I’ve ever had.”

    - Sebastian C.
  • I will definitely use them again! “Truly great service, Joe is an excellent technician. He took the time to explain everything he was doing and answered all of my questions. I’m so glad I took advantage of the tune-up offer that Guaranteed Service was offering. I will definitely use them again for my maintenance service in the future and would highly recommend this company.”

    - Susan C.
  • Courteous, Professional and Efficient! “One of the best companies that I have ever worked with! From my first phone call to the final walk through, everything was impeccable! Al Giordano
    was just amazing, explained everything upfront and took the time to answer all my questions and address my concerns. Jason, Brian and Nick were fantastic and I cannot stop raving about them to my friends and family! I would recommend them over and over again, courteous, professional and efficient! Call Guaranteed Service, you will not be disappointed!”

    - Lyndell P.

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