Engineered Systems Editor Robert Beverly asked John top prepare this ClimateMaster LEED article for ES' January '08 issue.

Common Ground and ClimateMaster writer Phil Johnson collaborated on the development of this "thermal energy transfer" project profile.

John wrote and placed this July '07 HPAC Engineering cover story about a high rise pressure boosting system in LA for author Steve Dickson, Grundfos Pumps. This "e-reprint" includes Grundfos letter and ad, a nice touch.    

PM magazine ran this article about a high profile job in Columbus, OH, one that extensively used Watts Radiant and Laars technology.

We developed this big, green HVAC feature article for HPAC's 12/07 issue, promoting new ClimateMaster technology.  

This Phc News cover photo won the top spot for Laars, September '07.

John developed this chemical dosing pumps article for Grundfos with authorship to Rob Baur, Clean Water Services.

Engineered Systems magazine asked John to develop this article about a super-big, super-fast radiant + snowmelt job for Air Net Express, Columbus, OH.

This PEX cover feature story, authored by John Vastyan, ran in the June '07 issue of Plumbing Engineer.

John developed this PE-bylined article for Plumbing Engineer describing an installer's preference for multi-speed circulators.

Engineered Systems magazine commissioned John to develop this lengthy "New Millennium of Hydronics" article which appeared in the Sept. '05 issue.

This 2-part contractor profile for Laars and Grundfos ran in the July and August '05 issues of Contracting Business. It stems from a 4-day trip to Colorado that John took with Editor-in-Chief Mike Weil.

Laars boilers were used to provide domestic hot water for Canada's largest
hotel, and one of its most luxurious.

This October '05 cover story in Plumbing & Mechanical demonstrates that when every minute counts, so do the mechanical system's key ingredients.

John developed this article about a daunting domestic water overhaul at
Canada's popular resort, the 355-room, 4-star Fantasyland Hotel.

Finely-tuned hydronics: this brief feature was developed to illustrate state-of-the-art system circulation.

“A Field of (Pipe) Dreams” article in the May ’04 issue of Engineered Systems, by John Vastyan, offers details about one of the New England Patriots’ unseen advantages – and one of the world’s largest and most finely crafted turf conditioning projects.

HPAC Engineering published this "High Performance Hydronics" article in their Jan. '05 issue, developed by John Vastyan and Bill Root for Laars Heating Systems.

“Mammoth Job”, Plumbing & Mechanical cover story for Laars & Watts Radiant - a superb snowmelt job with the first-ever Rheos boiler installation and professional photography helped to win placement top placement for the October ’03 issue.

This snowmelting technology cover story was developed by John and Kolyn Marshall for the Nov. ’04 issue of Plumbing Engineer.

This “Large Radiant Systems - a boiler’s worst nightmare” article appeared in the Jan. ’04 issue of HPAC Engineering as a lead feature for the Boiler Systems Engineering supplement. John developed the article with author/design engineer Keith Whitworth.