Intelligent HVAC Controllers for Remote Facilities

Reduce Energy Costs • Extend Equipment Life • Ensure Reliable Operation

Graphics shows Quest Controls HVAC Controllers for remote site and critical infrastructure HVAC optimization

Boost Efficiency & Reduce Costs with our HVAC Solutions

Quest Controls delivers Intelligent HVAC Controllers for remote facilities and critical infrastructure. As a result, organizations can optimize HVAC performance, reduce energy consumption, and enable seamless remote control. In addition, our solutions are built to adapt to diverse site conditions, ensuring reliability and energy savings across industries.


RSC 1000™ Site Controller:
Specifically designed for use in all remote facilities. It provides IP connectivity for control & monitoring of the site’s AC Units, Power Meters, Generators, Fuel Cells, Solar Panels and Fuel Tanks.


Model 600 Lead/Lag Controller: Now with Ethernet Connectivity. The 600 replaces outdated control systems with an intelligent solution offering remote communication. Great for small & medium facilities, cabinets & remote shelters.


Model 400 HVAC Controller: A comprehensive monitoring and control system designed to work as a standalone HVAC control system or in conjunction with the TELSEC ESB2 Environmental Controller. Great for medium & large facilities.


T-stat Models 100/101 & 200/201: Low-cost and easy replacements for traditional lead/lag controls, optimizing operation and reducing energy consumption.

Why Choose Quest Controls?

  • Optimize Operation & Reduce Energy Costs
    • Patented smart economizer algorithms to minimize energy use in HVAC systems.
    • Lead/lag switching for load distribution and equipment longevity.
  • Remote Monitoring & Reliable Performance
    • IP connectivity and Modbus/Modbus RTU compatibility for remote integration and control.
  • Easy Installation & Use
  • In-depth comparison matrix available

Inquire Now

image of Quest Controls HVAC Controller Matrix

T-Stat Product Matrix in PDF

Quest's HVAC Controllers

Intelligent HVAC Controllers for Remote Sites & Critical Infrastructure

Quest T-stat Lead/Lag Controller Models 100 & 101 are a smart control system designed to replace conventional Lead/Lag controllers that do not offer wide temperature control windows for advanced optimization of HVAC operation

Model 100 & 101 Lead/Lag Controller

T-stat Model 100 & 101 Lead/Lag Controller Optimize Operation & Reduce Energy Consumption The Quest T-stat Lead/Lag Controller Models 100 & 101 are a smart ...
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The Quest T-stat Model 200 & 201 Lead/Lag Controllers are a smart control system designed to replace conventional lead/lag controllers that do not offer wide temperature control windows for advanced optimization of HVAC operation.

Model 200 & 201 Lead/Lag Controller

T-stat Model 200 & 201 Lead/Lag Controllers Optimize Operation & Reduce Energy Consumption The Quest T-stat Model 200 & 201 Lead/Lag Controllers are a smart ...
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The Model 400 Controller (PN #150966-5) is designed to work as a standalone HVAC control system or in conjunction with the TELSEC® ESB2 Environmental Controller to provide a comprehensive monitoring and control system for Telecom/broadband facilities.

Model 400 HVAC Controller

Model 400 HVAC Controller A Comprehensive Monitoring & Control System for Telecom/Broadband Facilities. The Model 400 Controller (PN #150966-5) is designed to work as a ...
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The Model 600 Lead/Lag controller provides the best low-cost HVAC automation solution for your critical facility. The controller outperforms comparable devices through its rugged design, intuitive display/keypad, ease of set-up, Bluetooth communication, and Quest’s patented economizer control algorithm.

Model 600 Lead/Lag Controller

Model 600 Lead/Lag Controller Replace Old Antiquated or Obsolete Control Systems with an Intelligent Controller that Provides Remote Communication. The Model 600 Lead/Lag Controller is ...
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The RSC 1000™ Site Controller with IP connectivity is specifically designed for use in all remote facilities. It provides control & monitoring of the site’s AC Units, Power Meters, Generators, Fuel Cells, Solar Panels and Fuel Tanks.

RSC 1000™

RSC 1000 Remote Site Controller Energy Management Solutions for Remote Critical Infrastructures Interfaces with all HVAC Products in the Marketplace The RSC 1000™ Site Controller ...
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