Adventures of Johnny Tundra, Cold-Weather Engineer: 'No Delay'

May 10, 2016
Early one January morning in northeast Montana, where even moderate winter conditions result in wind chills of 50 below, Twitch Griswold, facilities manager for the U.S. Customs and Border Protection station in Big Beaver, calls his old friend Johnny Tundra in a panic—the building’s four boilers are tripping out on high temperature every time Twitch turns around. Luckily for him, Johnny has his back.

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Illustration by Ashley Ribblett
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Hpac 3777 Panel1 Color 1
Hpac 3777 Panel1 Color 1
Hpac 3777 Panel1 Color 1
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Adventures of Johnny Tundra, Cold-Weather Engineer: 'High-Head Chiller Trip'

June 15, 2016
It is back to school for Johnny Tundra, who returns to Rosebud County Vo-Tech. A chiller keeps tripping offline on high head pressure. How can the chiller have any load on it ...
Illustration by Ashley Ribblett
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Hpac 3761 Jt5 Panel4final 1
Hpac 3761 Jt5 Panel4final 1
Hpac 3761 Jt5 Panel4final 1
Hpac 3761 Jt5 Panel4final 1

Adventures of Johnny Tundra, Cold-Weather Engineer: 'Foundering Furnaces'

March 9, 2016
Amid sub-zero temperatures and 80-mph winds, two of four furnaces serving the State Lands headquarters continually are tripping off. Could the problem be ice crystals in the fuel...
Illustration by Ashley Ribblett
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Hpac 3753 Jt4 Panel4color 1
Hpac 3753 Jt4 Panel4color 1
Hpac 3753 Jt4 Panel4color 1
Hpac 3753 Jt4 Panel4color 1

Adventures of Johnny Tundra, Cold-Weather Engineer: ‘Freeze-Protection Freeze-out'

Jan. 12, 2016
At Rosebud County Vocational Technical School, the freeze-protection thermostat on a new rooftop air-handling unit is tripping continually. To Facility Manager Jonas “Wooly” Wolcott...
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Adventures of Johnny Tundra, Cold-Weather Engineer: ‘Capitol Case’

Aug. 27, 2015
On the eve of public hearings at the state capitol, Supervisor of Facilities Maintenance and Operations Hank Hoovestahl is facing a grilling worse than that of any witness: If...