Boiler InsulationAccording to the guidelines set by the U.S. Department of Energy, any surfaces with temperatures above 120°F should always be insulated. This includes all parts of boilers, such as doors, steam drum covers, and piping. While frequently overlooked, boiler pipe insulation is essential; proper boiler insulation leads to energy conservation, employee safety, and increased efficiency in all types of operations.

The Benefits of Boiler Pipe Insulation

Significant heat loss can cause a number of issues, including loss of money and hazardous work environments. Installing heating pipe insulation is an excellent way to prevent these problems and take advantage of a wide variety of benefits.

Cost Savings

Loss of heat means loss of energy, which leads to higher expenses. If boiler pipes are left exposed as they carry heated fluid, more energy is needed to keep the boiler functioning at the optimal level. Boiler pipe insulation will prevent the loss of thermal energy and maintain low energy costs.

Increased Efficiency

When you lose significant amounts of heat, the system needs to work harder to reach high temperatures and keep fluids heated. By insulating boiler pipes, you ensure your boiler can heat up more easily and rapidly. This saves both time and money.

Energy Savings

Insulated boiler pipes can raise hot water temperatures by 2° F to 4° F higher than uninsulated pipes. In the long term, this can lead to 3-4% energy savings every year. If you’re interested in learning exactly how much money you might be losing due to lack of insulation, there’s now a way for you to find out: the National Mechanical Insulation Committee has developed a calculator that lets you determine potential energy savings from both bare and insulated pipes, as well as flat surfaces.


Proper insulation creates a safer work environment for you and your employees. When boiler pipes are left uninsulated, they become extremely hot. Employees working near these structures are then at risk for serious burns and other injuries if they come into contact with the heated component. With proper insulation, you will protect your employees from injury and prevent costly lawsuits.

Material Considerations

When deciding to install boiler pipe insulation, it is vital to consider the different types available. There are two main options from which to choose: removable or permanent. Here are some details about each one’s specific functions and benefits to help you pick the best option for your needs.

Removable Insulation

Removable Insulation BlanketsRemovable insulation is incredibly flexible, making it ideal for situations where you frequently need to inspect or maintain your system. It is quick and easy to install and can be removed whenever you need access to your component. This makes it a convenient way to effectively reduce your heat and energy loss without committing to a permanent fixture.

The harnesses of these removable insulation blankets can be made from a number of different materials, including:

  • Snaps
  • Springs
  • Velcro
  • Straps

Permanent Insulation

Permanent insulation is common in situations where consistent access to the system is not needed. This type of insulation is durable and sturdy, permanently enclosing the component being insulated. It is ideal for small spaces that require long-term insulation but do not need to be frequently accessed.

Additional Factors

There are a variety of factors that go into choosing the appropriate material for your insulation :

  • The maximum temperatures reached by the insulated component
  • Whether the component is indoors or outdoors
  • Potential exposure to the elements
  • Ambient temperatures
  • Desired “touch temperature” of the component’s outer surface
  • Safety requirements
  • Desired system heat retention
  • Space limitations
  • Necessity and frequency of insulation removal
  • Regulatory requirements
  • Aesthetic requirements

Contact Firwin for Boiler Pipe Insulation

At Firwin, we manufacture a wide range of insulation products for every need, from boiler pipe insulation to industrial applications. Since 1982, we have been creating high quality products to ensure the safety and peace of mind of our clients.

To learn more about our boiler pipe insulation, contact us today to speak to our experts and discuss your specific project.

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