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John Johnston

John Johnston

Owner

Pueblo, PuebloMember since January 21, 2026
RefrigerationAir conditioningHeat pumpsCompressorsIce machinesWalk-In coolers and freezersReach-In coolers and freezersHydronic boilersSteam boilersRoof top unitsReciprocating chillersHelical Rotary ChillersDirect Digital ControlsVariable Frequency DrivesVibration AnalysisWater treatment and analysisPreventive maintenanceService calls
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About

Respond to customer requests for various repairs and/or maintenance on HVAC-R equipment including refrigeration, air conditioning, heating units, heat pumps, compressors, ice machines.

Experience

Owner - Self Employed - Colorado Springs, CO

(2012-01)

Respond to customer requests for various repairs and/or maintenance on HVAC-R equipment including refrigeration, air conditioning, heating units, heat pumps, compressors, ice machines.

Journeyman Service Technician - Tundra Refrigeration - Colorado Springs, CO

(2010-01 - 2012-12)

Performed service calls on all 7-Elevens south of Castle Rock. Walk-In freezers/coolers, Reach-InOpen Air Cases, Commercial Ice Merchandisers, and RTU heating and cooling systems.

Journeyman Service Technician - Trautman & Sheve - Denver, CO

(2003-01 - 2005-12)

Running service calls on various types of equipment including high and low pressure hydronic and steam boilers; refrigeration; roof top units; reciprocating chiller controls. Laid out jobs and prepared material lists for small projects.

Service Technician - Carrier Building Service - Denver, CO

(2002-01 - 2003-12)

Running service calls and preventive maintenance for retail businesses including Blockbusters, Old Navy, Rite Aids, and 7-Elevens. Performed refrigeration calls at 7-Elevens on Reach-In and Walk-In coolers and freezers. Also repaired roof top units.

Owner - Peak Mechanical Systems - Cañon City, CO

(1997-01 - 2002-12)

Bid, designed, and sold HVAC-R projects ranging from residential to light commercial

HVAC-R Maintenance Mechanic - Refrigeration Equipment Service - Henderson, TX

(1996-01 - 1997-12)

Running service calls on equipment ranging from 2.5 Ton to 25 Ton air conditioning units, Reach-In and Walk In Coolers. Also performed startup on 100 Ton – 200 Ton Reciprocating Chillers

Journeyman Service Technician - Four Seasons Environment - Wright Patterson AFB, Dayton, OH

(1995-01 - 1996-12)

Performed preventive maintenance on 153 pieces of equipment. Took care of low temperature Cascade systems, Walk-In Coolers and freezers, air handler units with multi-zone systems, laboratory chillers, and vacuum pumps used for vacuum chambers.

Stationary Engineer - Department of Corrections - East Cañon Complex - Cañon City, CO

(1992-01 - 1995-12)

Maintained central heating plant for Colorado State Penitentiary. Responsible for; (1) 350 HP hydronic boiler; (1) 250 HP hydronic boiler; (2) 380 Ton Trane Helical Rotary Chillers; Andorr DDC system.

HVAC-R Maintenance Mechanic - Academy District 20 - Colorado Springs, CO

(1989-01 - 1992-12)

Maintained Walk-In and Reach-In Coolers and freezers; steam and hydronic boilers; all package units; 50-Ton Chillers; pneumatic and DDC systems in 14 schools.

HVAC-R Maintenance Mechanic - City of Colorado Springs - Colorado Springs, CO

(1985-01 - 1989-12)

Maintained approximately 33 buildings including all heating, ventilation and air conditioning problems. Worked with contractor on installation and warranty issues.

HVAC-R Technician - Parkey's Heating, Plumbing & Air Conditioning - Colorado Springs, CO

(1984-01 - 1985-12)

Ran service calls to install, maintain, and repair heating, ventilation, air conditioning and refrigeration systems.

Apprentice - Fred B. Debra - Cincinnati, OH

(1980-01 - 1984-12)

Mechanical Equipment Service; Heating, ventilation, air conditioning (Local 392 Pipefitters Union)

Skills

Owner

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