Top 7 Condensing Boiler Manufacturers

Today, the market is flooded with different condensing boiler manufacturers. It can be overwhelming for a person to choose the correct option. Every manufacturer has some outstanding features and limitations in their boilers. Some are known for their excellent durability, while others are famous for their vast catalog. 

Due to being an over-flooded market, one might get confused in choosing the right manufacturer. This guide will tell you about the 7 best condensing steam boiler manufacturers by highlighting and explaining their key features. This way, you can decide which one fits your needs. We will also help you avoid common problems with most manufacturers. So, let’s get started!

How to Choose Condensing Boiler Manufacturers?

Choosing the right boiler will need you to compare different manufacturers. Each manufacturer company has unique features, pros, and cons. Comparing all their characteristics will help you decide on the right company to choose.

Some of the important factors to consider for choosing the proper condensing steam boiler manufacturer are:

  • Efficiency
  • Size
  • Safety
  • Durability
  • Application
  • Installation
  • Budget
  • Maintenance

Choosing a manufacturer that offers convenience in most, if not all, of these factors is highly recommended. You can also look for secondary aspects, like advanced features and fuel types. However, one thing you must consider is the warranty. Most reliable manufacturers offer up to 5 to 8-year warranties for spare parts, boiler maintenance, or repairs. They can be very convenient and help you avoid future problems.

Top 7 Best Condensing Boiler Manufacturers

Here are the top 7 condensing boiler manufacturers. We have gathered the primary data and key features for every option. Let’s get into it:

1. Fulton

Fulton is among the most popular condensing boiler manufacturers in USA. They are known for their high-quality and reliable heat transfer systems. Since 1949, they have been offering energy-efficient boilers of several types. 

Besides condensing boilers, Fulton also has:

  • Steam boilers
  • Thermal fluid boilers
  • Hydronic boilers

The manufacturer uses the latest technology to provide effective solutions, including temperature control units, heaters, and heat pumps. Fulton has heavy-duty industrial boilers of up to 6 million BTU per hour.

Additionally, Fulton offers durable and long-lasting systems. Most of their boilers are capable of working with dual fuel. Thus, they also rank high for convenience. 

2. YongXing Boiler Group

YongXing or YX Boiler Group is a one-stop solution for all your industrial boiler needs. They have the following types of heat transfer systems:

  • Thermal boilers
  • Industrial condensing gas boilers
  • Hot water boilers
  • Steam boilers
  • Vertical boilers
  • Biomass boilers
  • Coal-fired boilers
  • Fire tube boilers
  • Rice mill steam boilers
  • Water tube steam boilers

The YX Boiler Group has solutions for different industrial uses. But that’s not all. We also offer other relevant equipment, like a grate stroker, autoclave, wood preserver, oil heater, steam generator, and more. 


YX’s boilers vary depending on their sizes and energy efficiency. Our most popular options include 1-ton, 5-ton, and 10-ton boilers. However, we are best known for our professional installation. The best part is that this installation is completely free and part of our after-sales service. Furthermore, we provide free spare parts and years of warranty with all our boilers.

3. Nationwide Boiler

Nationwide Boiler is another popular name in the list of commercial condensing boiler manufacturers. They stand out from the rest, thanks to their excellent customer service. Their 24/7 Emergency Rentals service makes them unique. You can get a quick quote or connect with them for further queries.

Another highlight of Nationwide Boiler is the variety of systems. They have water tube, condensing, fire tube, and many other types of boilers. Plus, their boilers come in different sizes according to your needs. 

Nationwide Boiler offers environmentally-safe solutions. They have a line of emission control products for boilers, heaters, and gas turbines. You will also find custom controls and heating equipment at Nationwide Boiler, including electric boilers and retrofit burners.

4. Viessmann Boilers

Viessmann Boilers is one of the biggest condensing boiler manufacturers. The company was originally founded in Germany in 1917. However, it has now extended to the US and UK. They have residential, commercial, and industrial solutions. Moreover, Viessmann offers consultation and advice to help its customers.

The manufacturer has gas, oil, and heating solutions. Besides condensing boilers, you will also find DHW tanks and solar systems at Viessmann. Their systems are energy-efficient and fuel-neutral, designed with modern technology standards. 

Viessmann offers condensing boilers for both residential and commercial requirements. Their systems come with advanced features, like WiFi connectivity, venting, thermal efficiency, and touchscreen control. 

5. Baxi Boilers

Baxi is one of the well-known compact condensing boiler manufacturers. They have a wide range of systems, heat only, electric, and combi boilers. All their boilers utilize Natural Gas and LPG (Bottle Gas) as fuel types. 

Furthermore, Baxi offers a free quote on a boiler and its installation fee. Their professional team handles the installation and consultation. You can also use Baxi for boiler repairs and maintenance services. 

Other than their high-quality boilers, Baxi has various other systems. That includes cylinders and heat pumps. Baxi is also cautious about the environment. Their boilers and heating systems aim to produce as low carbon as possible. 

6. Worcester Bosch

Worcester Bosch is among the most popular condensing boiler manufacturers in the UK. They have been around since 1962 and only received positive reviews ever since. They have feedback from some trusted and reliable names, like Best Buy and Trustpilot. 


Bosch’s biggest strength is its wide range of products. The manufacturer offers boilers, boiler controls, air conditioners, heat pumps, hybrids, cylinders, solar systems, and accessories. 

Their condensing boilers include both system and combi boilers. You will find these systems in both compact and regular sizes. That means they are useful for both residential and industrial purposes. 

Another significant benefit of Bosch is its boiler controls. They offer the latest technologies, like digital remote systems and smart thermostats. These allow you to control and manage your boilers from anywhere. 

7. Hurst Boiler and Welding Company

Hurst Boiler is known for its excellent range of boilers and services. The manufacturer has water tube, hot water, condensing, oil, biomass, and steam boilers. They have a completely separate line of products for industrial uses. That includes:

  • Firebox boilers
  • Vertical Boilers
  • Low NOx Boilers
  • Scotch Marine Boilers
  • Solid Fuel Boilers
  • Skid Packaged Boiler Systems
  • Coal-fired Boilers
  • Hybrid Boilers
  • Wood-fired Boilers

And that’s not all. Hurst Boiler offers a variety of add-on accessories, like control systems, feedwater systems, HVAC software, and blowdown separators. This manufacturer also has tons of boiler spare parts, like cast iron, controls, daft burner, insulations, pumps, gaskets, interments, etc. 

Hurst Boiler and Welding Company has professional installation services. You can request a quote for spare parts or complete boiler installation. Like many other manufacturers, Hurst Boiler and Welding Company use Green boiler technology. It reduces waste and utilizes recycled materials. 

How to Choose Condensing Steam Boiler from Common Problems Encountered?

Many people face some common problems with condensing boiler manufacturers. Let’s look at them to help you avoid these issues:

Expensive Prices

If you are buying a condensing boiler for the first time, don’t settle on the first option. Generally, popular brands will ask you a fortune for a small to intermediate condensing boiler. The best practice is to compare prices. You can request quotes from different companies and go through these costs. It will help you decide the option that fits your budget.

No Installation or Maintenance

Usually, smaller condensing and non-condensing boiler manufacturers do not offer installation services. As a result, you will have to look for a third-party service provider for this task. The same can be said for future repairs and maintenance. 

In an industry, a boiler is used frequently. Thus, it will also require frequent maintenance and monitoring. It is best to choose a manufacturer that includes installation, maintenance, and boiler parts in its warranty. 

Unsuitable Boilers 

Not all condensing boiler manufacturers are suitable for large industries. Some are suitable for only limited operations, like homes and small industries. If you want a system for commercial use, choose the right manufacturer. You can always look at a manufacturer’s boiler size and capacity to get an idea. 

Not Eco-friendly

Many commercial condensing boiler manufacturers are not eco-friendly. Their products emit a massive amount of carbon gas. Additionally, they might not be equipped for recycling and reducing waste. Make sure to choose a green boiler manufacturer to avoid environmental damage. Also, it helps you adhere to National Environmental Regulations.

Unreliable Boilers

Only a handful of condensing boiler manufacturers are known for their reliable products. You will come across many boilers with a short lifespan. They can tear down fairly quicker, considering industrial usage. Hence, it is better to look for a trusted manufacturer that offers long-lasting boilers.


If you want the best boiler prices and free installation service, YX Boiler Group is the company to choose from. On the other hand, if you have unique requirements, know that we also entertain custom orders. Send us your requirements, and we will develop the design that matches your industrial needs.

Buying the correct boiler is a one-time investment that will benefit your entire industry. Thus, the right way is to take time, compare different condensing boiler manufacturers, review your needs, then buy. 

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