Running an fan through the middle to blow air up the pipes would help it radiate out. Bend the pipes around a 55 gallon barrel and make a rocket style insulation around it with sand and plaster. Place some sort of central blower to control speed of air
Handmade Oak Wooden Sconce - Wall Lamps Sconces - SC Sconce Wooden wall lamp with a simple functional design. This lamp has two options: switch is located aside, or with wire. Made of OAK with an accent on natural wood texture.