We Can Help With All Your Heating Installation and Repair Needs

Schedule service with us in Dunellen, NJ

Is your heating system acting up? Are you ready to replace your faulty furnace? Turn to the professionals at Guaranteed Service. We provide top-notch heating services throughout Dunellen, NJ. Our crew can do everything from heating system installations to boiler upgrade services. We have over 20 years of experience, so you can count on us to do the job right.


Send us a message or call 732-201-5953 to learn more about our heating services. And be sure to ask about our financing options.























Schedule Your Service-and Stay Comfortable

Whether your AC is limping through another heatwave or you're building from the ground up, we're here to help you get cooling that works for your space, your schedule, and your peace of mind.


Contact Guaranteed Services today to learn why your neighbors trust our air conditioning services in Roosevelt. Let's keep your home cool, on your terms, and on your timeline.


When to replace your heating system

You should reach out to us right away for heating system replacement services if you're dealing with any of these issues:


  • Strange noises are coming out of your heating system
  • Your heating system keeps breaking down
  • You notice incredibly high energy bills

Don't put off replacing your heating system. Schedule an appointment with us today.


Call Us to Schedule a Same-Day Appointment

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