Since it was developed almost 50 years ago by our founder in our own R&D facility, the Spirovent® remains the world class industry standard that others attempt to reach.  Often copied but never equaled, tens of millions have been installed worldwide.  It is recommended and installed by the best plumbing and heating contractors for highly efficient and quiet hydronic heating, radiant, and solar systems.  Stocked by the top wholesalers throughout North America, it is readily availiable in all geographic markets.

Related Work

Cottey College - Nevada, MO
From the President's house to the power plant, to almost all buildings on campus, Spirovents have contributed to efficient system performance across the campus.
Red Rock Casino Resort Spa - Las Vegas, NV
24" high velocity combination air eliminator / dirt separator.
Unocal - Pacific Northwest, US
4" Spirovent® air eliminator being used to control foam in a bottling operation for transmission fluid and motor oil.
Eastern Illinois University - Charleston, IL
After having tried numerous other methods, the first Spirovent was installed in Carman Hall to deal with a long history of no heat calls and clogging valves.