Cast Iron Heaters

Steam Heat Transfer Units

  • Building a grid heater
  • Oranssi technician working on a roof project
  • cast iron heater

Heat your cold spaces

Flameless & Long-lasting

Heater types

  • The 420 Grid Heater features a robust and classic design, perfect for efficient service heating. It is equipped with 4 radiators, each measuring 20 inches in length. The sturdy cast iron construction ensures excellent heat retention and durability, providing consistent warmth over extended periods. The radiators' design allows for even heat distribution, making this heater an ideal choice for maintaining a comfortable indoor environment during colder months.

    Grid Heaters’ durable and rugged build is perfect for warehouses, distribution centers, airport hangers and plants.

  • The 425 Grid Heater features a robust and classic design, perfect for efficient service heating. It is equipped with 4 radiators, each measuring 25 inches in length. The sturdy cast iron construction ensures excellent heat retention and durability, providing consistent warmth over extended periods. The radiators' design allows for even heat distribution, making this heater an ideal choice for maintaining a comfortable indoor environment during colder months.

    Grid Heaters’ durable and rugged build is perfect for warehouses, distribution centers, airport hangers and plants.

  • The 525 Grid Heater features a robust and classic design, perfect for efficient service heating. It is equipped with 5 radiators, each measuring 25 inches in length. The sturdy cast iron construction ensures excellent heat retention and durability, providing consistent warmth over extended periods. The radiators' design allows for even heat distribution, making this heater an ideal choice for maintaining a comfortable indoor environment during colder months.

    Grid Heaters’ durable and rugged build is perfect for warehouses, distribution centers, airport hangers and plants.

  • The 625 Grid Heater features a robust and classic design, perfect for efficient service heating. It is equipped with 6 radiators, each measuring 25 inches in length. The sturdy cast iron construction ensures excellent heat retention and durability, providing consistent warmth over extended periods. The radiators' design allows for even heat distribution, making this heater an ideal choice for maintaining a comfortable indoor environment during colder months.

    Grid Heaters’ durable and rugged build is perfect for warehouses, distribution centers, airport hangers and plants.

Unequaled Construction Since 1929

  • rugged desing heater

    Rugged Design

    • One-piece cast iron finned raditors

    • No welds, no seems, no leaks.

  • Long Lifespan

    • Less headaches over decades

    • Exceptional quality

  • Low Maintenance Costs heater

    Low Maintenance Costs

    • No crappy copper or aluminum pieces

    • Not replacing heater every few years

  • corrosive resistant

    Corrosion Resistant

    • Durable build resistance against harsh atmospheres

CONTACT US

Our Heaters

  • heater parts

    Quality Parts

    Stainless steel and Iron, cast in a foundry and assembled with care.

  • Oranssi project: roof expansion

    Foundry Cast Manifolds

    Cast iron from Ohio foundries. Precision machining.

  • building a grid heater

    Employing American Workers

    Made by American hands in Ohio and Pennsylvania

Ready to Build Your Custom Heater?

We can help determine your heater type based on the BTUs needed and the area you want to heat.

American Made for almost 100 years

Our radiators are cast in American foundries that have been operating for decades. We take pride in building the highest-quality steam transfer heaters in us US.

What Our Clients Say

  • "We now need to get our heater serviced...we ordered it 25 years ago"

    Emmett Marsh

  • "Our new deck is so well designed. It gave us the outdoor space we needed without breaking our budget. We can’t imagine how we lived without it for so long."

    Lindsey Beumer

  • "Working from home is an absolute pleasure in my studio shed. The team’s attention to detail really shines in the custom-built desk and cabinets. I can’t wait to work with them when it’s time to build the addition to our house."

    Keith Finley