Green Zone Focused on Energy Conservation, Guaranteed

Green Energy Solution Throughout Central NJ

We can Help You Save Money on Your Energy Bills

As a homeowner in NJ, you are likely always open to saving money. There are numerous ways that you can save money with energy efficient HVAC, electrical and plumbing choices, from effective systems to newer thermostats. At Guaranteed Service, we help our customers find solutions that fit your budget, while focusing on energy savings. Whether your existing system has broken down, or you are simply being proactive, we would be pleased to work with you to find your solution.

Contact us today at (732) 412-1134 to schedule an appointment with a skilled Technician or Comfort Advisor in your area.

Learn About the Benefits of Energy Efficient Options

The two major benefits of choosing an energy efficient HVAC system and components are reducing the amount of energy used and cost savings for yourself. These two go hand in hand and not only benefit you, but the environment by reducing energy waste. Fortunately, these options are available to you, and our team is knowledgeable, allowing us to give you the facts to make well informed choices for you, your family, and your wallet.

We Offer a Number of Energy Efficient Options, Including:

  • Heating Systems
  • Air Conditioning Systems
  • Zoning
  • WiFi Thermostats

WiFi Thermostats & Home Zoning in Monroe Township and all of Central New Jersey

Two of the more popular energy efficient choices with homeowners are upgraded thermostats and zoning. WiFi thermostats are one of the most advanced types of programmable thermostats. They allow you to save energy in a number of ways. For one, you can control the temperature of your home at all times, and even control the temperature when you are away from home. Zoning works to partition certain areas of your home off, allowing you to independently control the temperatures in each zone of your home. For example, if you frequently use your bedroom, but not your guest room, these could be two differently zoned areas. By controlling each zone of your home separately, you can save significantly on your homes’ energy bills.

Call Guaranteed Service today at (732) 412-1134 to schedule your no obligation quote on Energy Efficient HVAC solutions throughout Central New Jersey.

Learn About Guaranteed Service

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

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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