Boiler Services in Manasquan & Central NJ
Serving homeowners across New Jersey.
When your home depends on a boiler heating system, you need a company you can trust to keep it running safely and efficiently. At Guaranteed Service, we provide professional boiler and
heating services
across Manasquan and Central New Jersey. From fast boiler repair to expert gas boiler installation, our licensed HVAC technicians deliver the quality workmanship and reliability homeowners expect.
Call Now:
Contact us today to get
$300 OFF
any water or steam boiler replacement
BOILER SERVICES AT GUARANTEED SERVICE
Additional Heating Services
Boiler Repair
A failing boiler can leave your home cold and uncomfortable. Our boiler repair service helps you get your heating system working again quickly and smoothly.
Common boiler problems we handle include:
- No Heat or Hot Water - Often caused by thermostat issues, pilot light failures, or broken components.
- Leaking Water - around your boiler can signal a serious problem, so you should inspect it immediately.
- Unusual Noises - Banging, whistling, or gurgling sounds may point to air in the system or worn-out parts.
- Low Pressure - A boiler losing pressure won’t operate efficiently, driving up your energy bills.
- Carbon Monoxide Risks - Our technicians ensure your boiler is venting safely and operating properly.
Regular boiler maintenance can prevent many problems. This helps your heating system last longer and saves you money over time.
Boiler Installation
When repairs are no longer cost-effective, it may be time to consider a new boiler installation. Our team specializes in gas boiler installation for New Jersey homeowners, offering reliable, energy-efficient systems built to last.
We also install and service:
- Oil Boilers - A dependable option for homes without natural gas lines.
- Steam Boilers - Ideal for certain older heating systems still common in Central NJ.
Steam Boilers - Ideal for certain older heating systems still common in Central NJ.
Oil Boilers - A dependable option for homes without natural gas lines.
Steam Boilers - Ideal for certain older heating systems still common in Central NJ.
Factors we consider before recommending a new boiler replacement include:
- Age and efficiency of your current system
- Boiler repair costs compared to replacement
- Size of your home and heating needs
- Available fuel sources (gas, oil, or electric)
- Installation costs and long-term energy savings
Our experts make sure your new boiler is properly sized, installed safely, and optimized for maximum efficiency.
WHO WE ARE
At Guaranteed Service, We:

Promise not to mislead or offer any customer products or services that they do not need or want.

Promise to always be ethical and do the right thing, every time.

Promise to take personal responsibility for the satisfaction of every customer and will follow all company policies and procedures at all times.
Guaranteed Service
Our Location
2675 NJ-70 Manasquan, NJ 08736
Call Us:
Hours:
- Mon - Sun
- Open 24 Hours
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SEE WHAT OUR CUSTOMERS ARE SAYING
TESTIMONIALS
★★★★★
Very thorough, answered all my questions.
Justin Ebner was the technician that came to my house when I had water leaking from the AC unit. He was courteous and took the time to walk me through the issue. He was very thorough, answered all my questions. I felt very comfortable that the issue was appropriately identified and the appropriate corrective action was taken.
-Suliman C.
★★★★★
Got an estimate in 1 day and install 2 days later. Everything was amazingly smooth and effortless and our new system is fantastic. Love our new thermostats too. We were very pleased, especially right now when people are having so many problems getting supplies and equipment. Already recommended to neighbors.
-Nancy Troske
★★★★★
Professional & Friendly
Truly great service! He was professional & friendly. He is clearly experienced because he installed a water-pressure sub pump backup system for us which is a complicated job. He came back again a couple of days later to replace an old leaking toilet. He was considerate with cleaning up afterwards too. I highly recommend Guaranteed Services & especially Rob.
-Steve Minarik
★★★★★
I Could Not Be Happier with the Service
I am so impressed! I had a water leak and the technician came out to fix my problem shortly afterwards. I could not of been happier with his service. Barry was polite, honest and extremely hard working. I truly appreciate all he did to help me on a bad situation.I highly recommend Guaranteed Services for all your needs. Thanks again!!
-Susan C.
★★★★★
Now we have a great system with a lifetime warranty.
These guys are the BEST. They replaced my old heating and air conditioning with energy star system. I love it. Quick and efficient. AL is a lovely young representative and he explained in detail what we getting. Brian, Tommy and Greg the installers, they worked very clean and they are wonderful. Now we have a great system with a lifetime warranty. Thank you GUARANTEED SERVICE.
-Kay G.
★★★★★
Very thorough, answered all my questions.
Justin Ebner was the technician that came to my house when I had water leaking from the AC unit. He was courteous and took the time to walk me through the issue. He was very thorough, answered all my questions. I felt very comfortable that the issue was appropriately identified and the appropriate corrective action was taken.
-Suliman C.
★★★★★
Got an estimate in 1 day and install 2 days later. Everything was amazingly smooth and effortless and our new system is fantastic. Love our new thermostats too. We were very pleased, especially right now when people are having so many problems getting supplies and equipment. Already recommended to neighbors.
-Nancy Troske
Boiler FAQs
How often should someone service a boiler?
We recommend annual boiler maintenance to keep your system running efficiently and to extend the life of your unit.
What does a boiler service include?
Our boiler maintenance service includes a complete inspection, cleaning, pressure check, safety tests, and adjustments. This ensures safe and efficient operation.
What happens if you miss a boiler service?
Skipping regular boiler maintenance can lead to reduced efficiency, higher energy bills, unexpected breakdowns, and potential safety risks.
Do you offer emergency boiler service?
Yes. Guaranteed Service offers 24/7 emergency boiler repair across Central NJ.
Are financing options available?
We offer flexible financing options for boiler installation and replacement to make upgrading your heating system more affordable.
Get It Done Right, Today! Call for Same Day Service
Boilers: FAQs
How often should someone service a boiler?
We recommend annual boiler maintenance to keep your system running efficiently and to extend the life of your unit.
What does a boiler service include?
Our boiler maintenance service includes a complete inspection, cleaning, pressure check, safety tests, and adjustments. This ensures safe and efficient operation.
What happens if you miss a boiler service?
Skipping regular boiler maintenance can lead to reduced efficiency, higher energy bills, unexpected breakdowns, and potential safety risks.
Do you offer emergency boiler service?
Yes. Guaranteed Service offers 24/7 emergency boiler repair across Central NJ.
Are financing options available?
We offer flexible financing options for boiler installation and replacement to make upgrading your heating system more affordable.

