How to Choose Electric Steam Boiler?

28, Jul. 2025

 

How to Select an Electric Steam Boiler

A perfect boiler is not possible. Selecting important features that match your application is the best approach.  Some of the features are contradictory making it important that an experienced boiler person select the best features and best model for the job.  The risk is poor performance or an unhappy client.   Do not overlook the after sale support, Reimers electric boilers have been known for great customer service and repeat customers.  

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1. High Pressure Vessel Mass.  Electric Steam Boilers Look at the pdf files for our Reimers boilers to see the weights and sizes. Our boilers are not light weight and short lived.  The mass of the boiler will be a good indication of the amount of metal used to manufacture the pressure vessel. Mass is related to thickness and thickness is related to durability. Inherently, low mass boilers will not last as long as high mass boilers.

2. High Water Volume.  Water under pressure will store steam. Higher water volume means higher stored steam. Applications where you have rapid swing loads will require a high water volume boiler design.

3. High Efficiency.  We all would like to have the most efficient boiler. Efficiency, however, is found in electric boilers.  The energy goe to the water.  Any fossil fuel fired boiler will have stack loss and that may be as much as 25% of the energy.

4. Quick Startup Times.  Simply put, you want steam in a reasonable time frame. Boilers that can make steam quickly likely will have low water and low mass, which may be non-desirable features. One must also realize a quick startup will facilitate a quicker cool down. The boilers on the market today typically require 5 to 20 minutes startup time.

5. Low Footprint.  Boiler room real estate is quite valuable these days and the less room a boiler occupies, the better. Vertical type boilers have an advantage in floor space demands, but they are limited somewhat by the height of the boiler. Therefore, they are not practical above a certain output. Be sure you take into consideration the amount of room required to perform maintenance on the boiler as part of the overall footprint.

6. Low Watt Density.  Spreading the wattage out reduces the stress in the elements and makes a longer life. 

7. Ease of Clean Out.  This is a measure of effectiveness of blow down and ability to keep the pressure vessel clean. Reimers Model RV Vertical boilers Electric Steam Boilers may have the advantage with this parameter because the pressure vessel orientation lends itself to easier clean out. Boilers with lots of small tubes or dead spots will not fair well in this category.

8. Effective Staging of Heat.  Reimers does a step-control feature that randomly turns off and on the heating elements to just maintain settings.  The steam pressure cycles within a tight window as loads are increased or decreased.  

9. Ease of Maintenance. Look for Reimers decades of field experience to have the best designs for operation and service.  There are access points and connections that facilitate proper attention.  

10. Large Steam Disengagement Area.  The more steam disengagement area, the better. Higher steam disengagement area produces higher steam quality, especially for low pressure steam applications. Consequently, horizontal boilers generally will produce higher steam quality than a vertical boiler of the same output.   Reimers offers both horizontal and vertical designs to let you decide which is priority.

If you want to learn more, please visit our website Commercial Boiler Systems.

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How to select an industrial steam boiler? - Atlas Copco USA

There are many types of industrial steam boilers. How to know which one is the best for your needs? This guide explains the different types of boilers; that each have their own features and benefits.

Industrial steam boilers are used to transport heat energy from one location to another in your facility. The boiler is a pressure vessel that allows heat to be captured and efficiently carried from the boiler room to the point of use. However, due to the inherent dangers of a steam boiler operation there are strict rules and regulations for both the manufacturing and operation of these pieces of equipment.

To put it simply, boilers are internally fired heat exchangers to export steam or hot water. 

In a firetube steam boiler, the hot gases from combustion flow through tubes to transfer heat into the water contained in the pressure vessel. Firetube boilers are often used at smaller industrial facilities with lower operating pressures. These types of boilers offer a cost-efficient and robust heating solution. Compared to a watertube steam boiler, a typical firetube boiler has a simple design, requiring minimal maintenance.

An electric steam boiler is driven by electrical energy. Unlike other boilers, industrial electric boilers do not transfer combustion energy.  Their design utilizes both the vertical and horizontal boiler shell orientation.  Electric steam boilers can be configured for both steam and hot water applications.  Next to extreme high turndown, zero emissions; another advantage is thermal shock resistivity. 

However at high capacity electric steam boilers require massive amounts of installed electric power.  Available power is today the restricting factor for this technology.  There is however a continuous push for innovation that may soon lead to a sustainable electric steam boiler that can provide steam or hot water at high capacities.

Condensing steam boilers are quickly becoming the go-to boilers in both industrial and residential markets. Due to the relatively low temperature of hot water loops in homes and small industrial applications, a condensing hot water boiler reaches efficiency levels (90% or higher) other standard boilers cannot achieve. Condensing steam boilers feature a specially designed heat exchanger that lowers the flue gas temperature enough to condense.  This condensation process generates extra energy that is captured and reused.

There are several factors to consider.  Obviously you start from the required output you need, the preferred efficiency levels.  Each proposal also has a specific investment cost.

In order to make the best decision, make sure to also considering the long-term impact of an industrial steam boiler on your operation. 

  • How much steam is currently used by your facility?
  • What output type is required of the boiler? (i.e. high pressure steam, low pressure steam, superheated steam, hydronic hot water, domestic hot water)
  • What pressures and temperatures should the boiler operate at?
  • What is the desired efficiency of the boiler?
  • Which fuel will be used to fire the burner? (i.e. NG, oil, propane, biofuel)
  • Where will the boiler be installed?
  • Is the boiler easily accessible or hard to reach?
  • Does the weather vary significantly throughout the year? (i.e. humidity, temperature, etc.)