You Will Become a Customer for Life Guaranteed

Plumbing, Heating, Cooling, Electrical, Water Treatment & Indoor Air Quality Service in Middletown Township

Providing Central New Jersey & the Jersey Shore with Top-Quality Services

Don’t just trust anyone with your home’s heating, cooling, electrical, or plumbing. Turn to Guaranteed Service. All of our Middletown Township HVAC technicians and plumbers are highly experienced and have received many years of training in the field. Our goal is to make you a customer for life, and we are dedicated to providing the best quality services in the area. Our pricing is always honest and upfront, and we are committed to meeting any budgetary needs.

Same-Day Service Guarantee - Available 24/7

Guaranteed Service provides plumbing, air conditioning, heating, electrical, indoor air quality services, and water treatment services throughout the Jersey Shore & all of Central New Jersey. You can trust and rely on our knowledgeable technicians to get the job done right. We stand behind our Same-Day Service Guarantee - when we say today, we really mean it!

Offering 24/7/365 home services, our highly-trained team is happy to help whether you are dealing with a clogged drain or toilet, broken AC, electrical repair, heating issue, water treatment questions, have questions about ways to improve your indoor air quality, or even want to get help with bathroom remodeling.

Experiencing an emergency in Middletown Township? We offer 24/7/365 availability. Just give us a call at (732) 412-1134 or contact us online!

Learn About Guaranteed Service

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

Middletown, NJ AC Repair, Tune-Ups & Installation

  • Air conditioning repair
  • Air conditioning replacement & installation
  • Air conditioning tune-ups
  • Ductless air conditioning
  • Indoor air quality, including humidifiers, dehumidifiers, and air purifiers/cleaners

Furnace & Heater Repair, Maintenance & Replacement in Middletown, NJ

  • Furnaces
  • Heating repairs
  • Heating installation & replacement
  • Heating tune-ups

Middletown, NJ Plumber & Water Softener Installation Expert

  • Water heaters
  • Plumbing
  • Boilers
  • Water softener installation, repairs, and maintenance

Electrician in Middletown, NJ

  • Electrical repairs
  • Generator installation
  • Electrical inspections
  • Electrical panel upgrades

Ask About Our Comfort Club Membership

Needing emergency heating, cooling, or plumbing repairs is never fun and is often stressful. Avoid the need for such repairs by signing up for our Comfort Club. Each level of membership includes thorough inspections to ensure that your equipment is working properly and will continue to do so. Your safety and comfort are our priority.

Contact us today by calling (732) 412-1134 to schedule an appointment.

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.

Fast Local Service

Contact Our Team Today
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