What Is a Catalytic Heater and How Does It Work

A catalytic heater is a type of portable heating device that uses a catalyst to ignite the fuel, producing a clean and efficient heat source.

It's a popular choice for camping, RVs, and small spaces because it's quiet, safe, and easy to use.

Catalytic heaters work by using a catalyst, usually platinum or palladium, to ignite the fuel, which is typically a type of liquid fuel such as propane or butane.

This process produces a gentle, consistent heat that's perfect for warming up a small space.

The heat is produced by the chemical reaction between the fuel and the catalyst, which is a much cleaner and more efficient process than traditional combustion heaters.

This results in a much safer and more environmentally friendly heating option.

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A catalytic heater is a highly efficient device that generates warmth through a chemical reaction known as catalysis.

These furnaces use propane as a source of fuel, but the catalytic process produces a surprising amount of heat without a flame.

Proper ventilation is important because the catalytic chemical process does burn oxygen.

Most manufacturers recommend opening a window or vent to allow proper air flow.

Many catalytic heaters now include an oxygen sensor to warn users if available oxygen levels are low.

Unlike most furnaces, a catalytic heater evenly transfers heat throughout the space it operates in and even warms nearby objects.

This is because traditional models tend just to heat the air, which is much less efficient and can lead to unexpected temperature variations.

The thermal efficiency of catalytic heating is also significantly higher than conventional heating.

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Catalytic heaters come in various types, including heated enclosure packages, instrument gas and pilot preheating regulators, and space heating units. These types serve different purposes, such as protecting pipes from rain and ice build-up.

Heated enclosure packages are made of stainless steel and contain the catalytic heater, while instrument gas and pilot preheating regulators are used for freeze protection and heating gas before it reaches the pilot. Space heating units generate infrared heat to raise the temperature in a given area.

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There are also small hand warmer or pocket heaters that use a catalyst combustion unit, which can be powered by propane (LP) or butane fuel. These hand warmers are designed for people who work or pursue leisure activities outdoors in very low temperatures.

Some examples of catalytic heater applications include gas meters, regulators, and control valves, gas wellhead heaters, pipeline heaters, and space heaters. These heaters are useful where heat production is necessary at a controlled rate.

Here are some examples of catalytic heater applications:

Heaters are devices designed to produce heat for various purposes, such as warming up a room or providing warmth in cold environments.

Some heaters, like catalytic heaters, are innovative alternatives to traditional heating methods, offering a safe and efficient way to produce heat.

Catalytic heaters utilize a catalytic process driven by chemical reactions to produce heat without a visible flame.

This makes them a more eco-friendly option compared to traditional heaters that rely on an open flame.

Heaters come in different types, each with its own unique features and functions, and it's essential to understand their characteristics to choose the right one for your needs.

There are three main types of larger catalytic heaters: Heated Enclosure Packages, Instrument Gas and Pilot Preheating Regulators, and Space Heating.

Heated enclosure packages are used to protect pipes from rain and ice build-up by keeping the pipes heated. These packages contain the catalytic heater and are usually made out of stainless steel.

Instrument gas and pilot preheating regulators are only used for freeze protection, and to heat up the gas before it reaches the pilot.

Space heating is a good substitution when heat is required but traditional means, such as electricity or safety concerns over explosive gas, cannot be used. Catalytic space heaters generate infrared heat to raise the temperature in a given area.

There are also small hand warmer or pocket heaters that use a catalyst combustion unit, often made with a glass fiber substrate coated with platinum.

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Catalytic heaters are incredibly versatile and can be used in a variety of applications. They're particularly useful in the oil and gas industries, where heat production is necessary at a controlled rate.

Catalytic heaters can be used in Thermoelectric Generators (TEG's or thermopiles) to create electricity from raw well gas or H2S. They can also power remote well sites at great distances from their parent processing plants.

Some other examples of catalytic heater uses include gas meters, regulators, and control valves, as well as gas wellhead heaters, pipeline heaters, and space heaters. These heaters can even be used in soldering irons, hand warmers, and space-heating appliances.

Catalytic heaters have high efficiency, allowing smaller heaters to be used and lowering initial costs and fuel consumption. They typically use propane (LP) or butane fuel, whereas many older types use either liquid fuel or alcohol.

Handheld catalytic hand warmers have traditionally only used naphtha-type liquid fuel, but modern versions often use more efficient fuels like propane or butane.

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Catalytic heaters rely on a chemical reaction between the fuel and a catalyst to produce heat. This reaction is made possible by the catalyst's surface, which provides an alternative reaction pathway with lower activation energy.

Platinum is a popular choice for catalytic heaters, as it can be used with natural gas, propane, and butane. It generates a surface temperature of 300–550 °C, which is lower than the 760 °C ignition point.

Palladium is another option, specifically designed for use with hydrogen gas. In fact, Pd-coated carbon was used in a 2010 prototype heater built by the Sandia National Laboratory.

The catalyst surface doesn't deteriorate or burn during the reaction, allowing it to be used repeatedly for efficient and reliable performance.

Here's a list of common catalysts used in catalytic heaters:

The chemical reaction in a catalytic heater is a simple but efficient process. It occurs when propane flows onto the catalytic surface, causing the atomic bonds of the fuel molecules to break down and release heat as a byproduct.

Catalytic heaters can have several potential safety issues if incorrectly installed or placed in poorly ventilated areas, including fuel leakage and carbon monoxide poisoning.

The American Gas Association standards specify that the concentration in free air of carbon monoxide from a gas heater should not exceed 200 parts per million (ppm).

Catalytic heaters have a reduced fire risk due to being flameless.

Bruest Catalytic Heaters are equipped with built-in safety mechanisms to ensure safe operation, including a safety valve, thermocouple, and explosion-proof junction box.

These safety mechanisms continuously monitor the catalytic pad's temperature and automatically shut off the gas supply if the temperature falls below safe operating levels.

Catalytic flameless gas infrared systems are an ideal option for hazardous area heaters in transit fueling and storage facilities, providing a safe and efficient heat source.

Hazardous Area Heaters keep workers safe at Transit facilities by providing flameless heat.

Catalytic heaters have been approved for use in Class 1 Division 1 and Group D areas by CSA and FM since 1967.

The catalytic heating process is flameless, eliminating the risks of open flames, such as accidental fires and burns.

Unlike conventional heaters, catalytic heaters generate heat through catalysis, ensuring oxygen remains unaffected and reducing safety concerns related to oxygen depletion or releasing harmful gases.

The radiant heat produced by a catalytic heater warms objects directly, creating a comfortable and even heat distribution.

The catalytic heater offers a range of advantages, making them a safe, healthy, and environmentally friendly heating solution that outperforms conventional methods.

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Catalytic heaters are highly efficient and versatile, making them suitable for various applications, including space heating, which provides uniform warmth and prevents heat stratification.

Their energy efficiency minimizes fuel consumption, reducing operational costs and environmental impact. This is especially beneficial for industries that rely on consistent temperatures to function properly.

Catalytic heaters excel in heating instrument gases, producing a controlled and stable heat source that safeguards sensitive equipment and processes.

One of the key applications of catalytic heaters is anti-freeze protection, which prevents freezing and maintains proper functionality in equipment like chokes, orifice fittings, dump valves, regulators, and meters.

They are also ideal for heating control instruments, small regulators, valves, and electronic measurement devices, offering a compact design that can be easily applied as a clamp-on box surrounding the instrument.

Catalytic heaters are suitable for heating various structures, including compressor buildings, fire pump buildings, meter houses, pipelines, offshore platforms, flammable maintenance storage, and transit maintenance facilities.

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Their flameless operation eliminates safety concerns and enhances reliability, making them a reliable heating solution for various settings.

Catalytic heaters are available in multiple sizes, BTU ratings, and configurations to meet varying application requirements, and can be preconfigured onto racks and subassemblies with control systems to simplify installation and operation tasks.

They are ideally suited for hazardous areas, and can be used in combination spray-cure booths, paint rooms, facilities that use powdered metals, and chemical, paint and petrochemical storage, and areas where there are flammable or explosive materials.

Catalytic heaters are highly efficient, which translates to significant cost savings and a reduced environmental impact. They minimize fuel consumption, making them a great choice for those looking to reduce their expenses.

One of the key benefits of catalytic heaters is their ability to provide uniform warmth, preventing heat stratification with other heaters. This means that the heat is distributed evenly, ensuring that everything is warmed up consistently.

Their energy efficiency also makes them well-suited for heating instrument gases, producing a controlled and stable heat source that safeguards sensitive equipment and processes. This is particularly important in applications where precision is crucial.

By using a catalytic heater, you can expect to see a reduction in operational costs, thanks to their energy efficiency. This is a win-win for both your wallet and the environment.

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A catalytic heater works by breaking down the atomic bonds of fuel molecules, releasing heat as a byproduct.

The chemical reaction in a catalytic heater is simple but highly efficient at generating heat.

The catalytic surface doesn't deteriorate or burn, allowing it to be used repeatedly for reliable performance.

This consistent heat release provides radiant warmth to the surrounding area.

Infrared heat works by emitting long wavelength energy that's easily absorbed by most materials.

CIS gas catalytic heaters burn gas at lower temperatures, resulting in uniform and controlled heat output.

This unique feature allows for faster cures and lower operating costs compared to traditional heating technologies.

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Catalytic heaters require both electricity and gas to operate.

To start, you'll need to preheat the heater using electricity. This takes about 15 to 20 minutes, during which time the enclosed electric heating element is turned on.

Once preheated, gas can be introduced through the safety valve to begin the catalytic heating process.

Gas enters the heater via the dispersion tube assembly and is dispersed by the dispersion screen.

The gas diffuses through the insulation to come in contact with the catalyst, initiating the catalytic reaction.

Infrared energy is emitted as a byproduct of the reaction, and you'll only see CO2 and water vapor.

The thermocouple is used to control the safety valve or gas solenoid valve, shutting off the gas valve if the catalyst falls below safe operating temperature.