Red Dot

Red Dot Corporation is a manufacturer of mobile HVAC systems and components for heavy-duty vehicles and off-highway equipment. Founded in 1965 (origins late 1950s) by Harcourt G. Runnings in West Seattle, WA, Red Dot invented the trinary pressure switch, low-profile rooftop condensers, and the ProTecht A/C compressor protection system. Global supplier to OEMs and the heavy-duty aftermarket; facilities in West Seattle, Suffolk England (1998), and China (2008).

Product Lines

• Complete Heater/AC Combination Units: For truck cabs, construction, agriculture, military vehicles
• R-4122 (sample): 30,573 BTU/hr heating, 19,246 BTU/hr cooling, 283 CFM, 28 lbs
• E-6100 Electric Rooftop (sample): 12V-11,900 BTU / 24V-15,000 BTU; 60-100 amps; no-idle electric
• Replacement components: blower motors, compressors, condensers, evaporator coils, control panels, expansion valves, receiver driers, heater cores, thermostats, water valves, hose fittings, adapters, ducts, service tools
• OEM integrated HVAC systems, modules, and unit kits for vehicle manufacturers

Why Fleet and Equipment Operators Specify Red Dot

• 60-plus year specialization in heavy-duty mobile HVAC: designed for vibration, dust, temperature extremes, and long duty cycles
• Industry firsts: trinary pressure switch, low-profile rooftop condensers, air-operated water valves, Grilldenser, ProTecht diagnostics
• Complete units and individual components support both system replacement and component-level fleet shop repair
• Global OEM and aftermarket distribution in North America, Europe, and Asia

How to Choose Red Dot Products

Complete unit replacement: identify model from existing unit label or vehicle service documentation; cross-reference to current Red Dot catalog. New application: specify BTU heating/cooling capacity and voltage (12V or 24V) per application duty cycle. Component repair: identify by Red Dot part number or OEM cross-reference.

Frequently Asked Questions

• Founded? Incorporated 1965 by Harcourt Runnings in West Seattle; origins late 1950s.
• Markets? Trucking, agriculture, construction, mining, military, off-highway, UTVs, EVs; OEM and aftermarket.
• ProTecht? A/C compressor protection and system diagnostics system for fleet maintenance.
• OEM supplier? Yes. Supplies integrated mobile HVAC systems to vehicle and equipment manufacturers.
• Facilities? West Seattle WA (HQ); Suffolk England (1998); China (2008).