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.
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- Lyndell P.
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!”