Water Heater Repair & Installation

Our highly trained technicians at Boiler King Services are experts in water heater installation, maintenance and repair. We serve to provide you with expert services to identify any issues with your water heater. Whether you need a conventional hot water tank or a tankless hot water heater, our team has everything you need. We know how important it is to have hot water, and will work with you to ensure that your water heater is operating efficiently, safely and effectively.

Boiler Repair & Installation 

Having an issue with your boiler? Boiler King Services cares about your comfort and safety, and offers expertise in installation and boiler repair services. Your satisfaction is our top priority. If you notice that your boiler is taking longer to warm up or isn’t turning on, it might be time for a repair or even an upgrade. Our experts at Boiler King Services make it their top priority to ensure your satisfaction and keep your home safe, comfortable and warm.

Furnace Repair & Installation 

We pride ourselves on holding the highest standard of furnace repair and installation in the industry. Our furnace repair services are fast, reliable and convenient for you. Technicians at Boiler King Services are licensed professionals with years of experience, and our service plans bring highly skilled technicians to your home to ensure the efficiency of your furnace. We also walk you through the process of selecting and installing a furnace that will keep your home safe and your family happy.

A/C Repair & Installation

Your comfort is important to us! Our expert technicians are here to help you with all your air conditioning needs. Whether you need a repair, checkup, replacement or a brand new installation, our team will be there to help install and service your air conditioner. We are your go-to experts for all your air conditioning needs, and we take pride in the professional, convenient and efficient services we provide. You can trust us to get the job done right during those hot summer months.

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Our Process


Our team takes into consideration all your repair and installation needs. We take the time to get to know you, your home so we can help you make the right choice for all your equipment needs. Choosing the right furnace, water heater, boiler or air conditioner is no easy task. We will help make the process an easy one for you by giving you all the options available. Our experts will walk you through the range of products and services we offer to pick the best option for you and your budget.


Our team will help you select and install the right equipment. We ensure that everything is completed up to and above industry standards. Our experienced team of technicians will ensure that your new system runs efficiently and safely. We focus on providing the right system and equipment for you and will make sure that the installation process flows smoothly and efficiently. Rest assured that you are in good hands, and our technicians will make this process an easy one for you.


Proper maintenance on the equipment in your home will extend their life and also reduce any chance of potential failure or damage. Our team of technicians will ensure that your equipment is running safely by performing safety checks, checking all operating systems and ensuring that all of your equipment operates to industry standards. Your safety is our top concern, we will provide you with expert service maintenance, prolonging the life of your equipment and reducing the chance of any possible breakdowns.

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About Us

Boiler King is a family-owned company which started as a plumbing operation over 77 years ago. In 1952, Joseph and Julia Mola transformed their plumbing business into a complete heating and installation company called Domestic Fuel Service, which also offered fuel oil delivery service.

After growing up and watching their parents run the business, sons Joseph and John joined the company, which soon began expanding and servicing more homes.

In 1971, John took over the company and added natural gas and propane service to Boiler King’s list of offered services. Just two years later, Boiler King began to offer air conditioning service and installation. By 1974, Boiler King began to make its name known as a trusted and reliable subcontractor doing sales, service and installation for companies all across Morris County. In 1979, Boiler King added commercial and industrial boilers to their extensive list of offered services, and has been providing quality service for almost 40 years.

Boiler King offers sales, service and installation for air conditioning, furnaces, boilers and hot water heaters. Also offered is dryer vent cleaning services, system design and modernization.

Our team of experts provide you with the best value on the market for fair prices. Our comfort solutions are competitively priced. You will be satisfied and confident with your decision to hire us because of the value our services offer you. At Boiler King, we are dedicated to ensuring that our systems and services are the best investments for your home, and we will take care to look after your home while maintaining your family’s utmost safety and comfort.
Water Heater Repair & Installation
Boiler Repair & Installation
Furnace Repair & Installation
A/C Repair & Installation
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Phone Number:



361 Route 46
Mountain Lakes, NJ 07046

John J. Mola
NJ HIC 13VH08266700
Lic. 19HC00323600

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