Commercial HVAC

Conspec Controls has long served the Heating, Ventilation and Air Conditioning (HVAC) industry, providing reliable and robust systems for monitoring and control of CO and NO2 in indoor spaces.

Our products are designed for ease of installation and maximum energy efficiency.

Without adequate ventilation of enclosed or semi-enclosed spaces, CO an NO2 can easily exceed NIOSH and OSHA recommendations for indoor air concentrations?and create extreme health and safety risks. Ventilation systems are a must for indoor spaces, but they can be a huge waste of energy to operate 24 hours, seven days a week.

To minimize heat loss in winter, as well as conserve energy used by the ventilation fan motors, Conspec Controls recommends installation of CO and NO2 monitoring and ventilation control systems in enclosed structures such as: Enclosed Parking Garages, Tunnels and Sally Ports, Vehicle Repair Shops and Service Bays, Ice Rinks, etc. Conspec Controls offers a complete line of Ventilation Fan Controllers, including our new, state of the art Optio V Series of multi-gas monitors, to support dynamic gas monitoring situations in indoor spaces. It has been engineered for easy integration into your existing monitoring/control system.

At Conspec, we are committed to quality. We employ the strictest testing procedures and protocols in our design and manufacturing processes. We independently verify our quality management systems and procedures through the use of accreditations such as our exacting ISO 9001:2015 certified quality assurance system for the design and development, and certify our designs/products at independent testing authorities. Our processes ensure your application has the best in manufacturing, integration, customer service, support, and training.

Key Applications


  • Conspec provides CO & NO2 detection for ventilation control that meets the requirements of the International Mechanical Code
  • Conspec gas detection systems can easily integrate with Fan Controllers/Contactors, Variable Frequency Drives (VFDs), and/or Building Automation Systems


  • Many municipalities have recently implemented regulations for all Auto Repair and Service stations to incorporate some form of Carbon Monoxide/Carbon Dioxide Monitoring
  • These systems can generally be low-cost monitors with built in alarming and controls for ventilation fans and opening bay doors
  • As the Carbon Monoxide and Carbon Dioxide levels increase, the monitor can activate an alarm indicating that the levels are increasing and turn on the ventilation fan/bay door to allow the toxic air to be vented out of the building. Once the levels have decreased, the system can turn the ventilation off
  • The Optio Series Monitors can be a low barrier of entry product that will allow any Service Station or Auto Repair shop to easily purchase and install a single device that is not only capable of detecting both Carbon Dioxide and Carbon Monoxide, but also have the capability to alarm and trigger events such as turning on ventilation fans


  • Conspec Natural Gas Detection and Alarming systems provide early warning of natural gas leaks in boiler/mechanical rooms
  • Carbon Monoxide detection can also be added to provide detection of exhaust leaks


  • Conspec controls (in partnership with Detectors Inc. & E2S Signaling) offers flame detection and signaling devices that meet the criteria of NFPA 33 for Standard Spray Application Using Flammable or Combustible Materials
  • The Detectors Inc. flame detector can respond in as little as 0.3 seconds, offering the fastest response time in the industry
  • Signaling devices can be tied to an alarm system to warn plant personnel of a hazardous fire
    condition and ignition of a fire suppression system

Commercial HVAC Products & Systems

Optio V

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