Guaranteed Service

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Guaranteed Service Guaranteed Service provides Plumbing, Heating, Cooling, Electrical and Water Treatment services throughout New Jersey.

We are so confident that you’ll be happy with our fast, reliable professional services, that you will become a customer for life! At Guaranteed Service, our highest priorities are your safety and comfort. Our whole team comes with years of experience and is made up of technicians, plumbers, electricians, comfort advisors, and customer service professionals that are always there for you and your home. We are consistently training and learning new technologies to improve your experience and assure that we have a solution to fit your needs as well as your budget. We are so confident that you’ll be satisfied with our courteous, reliable, professional service that you will become a customer for life.

10/22/2026

At Guaranteed Service, it’s all about finding solutions. Even if we can’t help with one service, we might be able to help with another!

A little maintenance now beats no heat later. 🔧 Get your heating system ready for the colder days ahead—schedule your tu...
10/21/2026

A little maintenance now beats no heat later. 🔧 Get your heating system ready for the colder days ahead—schedule your tune-up with Guaranteed Service!

Your thermostat calls the shots. Let’s make sure it’s working properly. 🌡️ From thermostat upgrades to heating repairs, ...
10/19/2026

Your thermostat calls the shots. Let’s make sure it’s working properly. 🌡️ From thermostat upgrades to heating repairs, call Guaranteed Service to keep your home comfortable this season!

Special delivery: a warmer home. 🔥 Ready to replace your furnace? Call Guaranteed Service and get ahead of the cold!
10/17/2026

Special delivery: a warmer home. 🔥 Ready to replace your furnace? Call Guaranteed Service and get ahead of the cold!

10/15/2026

We know an unexpected HVAC or plumbing issue can't always wait.

Our team at Guaranteed Service works hard to get to you as soon as possible and make things right. 💪

Flickering lights? Breakers that keep tripping? ⚡ Give Guaranteed Service a call! Our team is ready to get to the source...
10/14/2026

Flickering lights? Breakers that keep tripping? ⚡ Give Guaranteed Service a call! Our team is ready to get to the source of your electrical issues.

Teamwork starts before we reach your door. 🔧 Our Guaranteed Service crew is gearing up to keep your home comfortable. Ne...
10/12/2026

Teamwork starts before we reach your door. 🔧 Our Guaranteed Service crew is gearing up to keep your home comfortable. Need help with heating, cooling, plumbing, or electrical? Give us a call!

"Eric was so thorough and attentive to my needs. He went above and beyond, and I’m so happy to be working with him and t...
10/10/2026

"Eric was so thorough and attentive to my needs. He went above and beyond, and I’m so happy to be working with him and this company!" -Kisha L.

What lurks behind your vents? 👀 Dust, dirt, and buildup can be scary enough! 👻 Give your air ducts some attention this s...
10/09/2026

What lurks behind your vents? 👀 Dust, dirt, and buildup can be scary enough! 👻 Give your air ducts some attention this spooky season—call Guaranteed Service to schedule your duct cleaning.

10/08/2026

Meet Adam, one of the friendly voices behind Guaranteed Service. 👋

As a CSR, he’s here to help when you need us most.

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Manasquan, NJ

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