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Unlocking Profitability With Waste Heat Recovery

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Waste heat is recoverable—it can be a valuable resource. If your facility is discarding waste heat or incurring extra expenses to manage it, you can benefit greatly from industrial waste heat recovery units (WHRUs). With the rising cost of fossil fuels and increasingly stringent environmental regulations, industrial facilities need efficient, cost-effective WHRUs to reduce their […]


High-Capacity Heating Reimagined: The Rise of HC2 Heaters as Water Bath Alternatives

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Sigma Thermal has extensive experience designing and supplying custom engineering solutions for thermal systems across a broad range of industries. Our dedicated team has the expertise needed to help customers understand the differences between a water bath heater and a water bath alternative, to determine which option best meets their specific needs. In indirect heating, […]


Reclaiming Every BTU: The Ultimate Guide to Industrial Waste Heat Recovery

Reclaiming Every BTU: The Ultimate Guide to Industrial Waste Heat Recovery

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Industrial facilities release significant amounts of recoverable waste heat every day—energy that was purchased but not productively used. Much of it is lost through hot exhaust streams, representing major opportunities for industrial operations to implement waste heat recovery systems. At Sigma Thermal, our advanced waste heat recovery systems capture the thermal energy, transfer it to […]


Molten Salt

Advantages and Uses of Molten Salt Heating Systems

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Molten salts, also called salt melts, are critical in various industrial heating applications. Nitrate salts are most commonly used in industrial heating applications, but chlorides, bromides, fluorides, and even organic salts are often used for this purpose too. Molten salt process heating systems operate at extremely high temperatures and provide efficient heat transfer and storage. Because […]


Industrial energy plant outdoors at night

Guide to Fuel Gas Conditioning in the Power Generation Industry

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A fuel gas is a natural gas that is gaseous under normal conditions. In the power generation industry, fuel gases are most frequently used in boilers, reciprocating engines, fired heaters, and power plant turbine systems. This form of fuel also includes pipeline, refinery, lean, and wellhead gases, which contain hydrogen, hydrocarbons, carbon monoxide, and other […]


rendering of a radiant convective heater

How Direct Fired Heaters Are Used in Different Industries

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Direct fired heaters create heat by burning oil, natural gas, or other fuels. The heaters have an insulated enclosure that uses the heat from fuel combustion to heat fluid-filled coils. Fired heaters are essential in many applications, including chemical plants and refineries, for efficient industrial process operations that rely on elevated temperatures. Direct fired heaters […]


Industrial Waste Heat Recovery System

Opportunities Waste Heat Recovery Creates for Industries

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Click to Expand Process heat is essential to many industrial operations; however, a significant amount of that heat energy is lost due to exhaust gases and steam, the heat released by industrial ovens, cooling processes, and as a byproduct of refrigeration. Instead of releasing it into the environment, this heat energy can be recovered and […]


Essential Components of Pre-Engineered Thermal Fluid Systems

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Click to Expand As closed-loop systems, pre-engineered thermal fluid systems provide a source of heat for various industrial processes. They achieve effective and efficient heat transfer through continuous fluid circulation. These alternatives to steam boilers offer optimal temperature control, reliability, and versatility, reaching high temperatures but operating at low pressures. They’re compatible with a wide […]


Why Use Thermal Fluid Heating Systems Instead of Water Bath Heaters?

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Water bath heaters are a well-established method of heating gas and oil, however, in specific applications, a thermal fluid system can provide more significant benefits and improved performance. In this blog post, we will explore the unique advantages hot oil heating systems provide, including the following: Improved efficiency Reduced costs More responsive control In the […]


Benefits of Thermal Fluid Heaters in the Oil and Gas Industries

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Industrial thermal fluid systems are indirect heating systems that increase the temperature of process fluids, such as crude oil and petroleum products in the oil and gas industry. These heating  systems offer several key advantages over steam systems. This blog will explore industrial thermal fluid heaters briefly, including the benefits they provide for various applications […]