FGFD HVAC

Detection solutions for HVAC applications

From small factories to large-scale plants, we help protect commercial enterprises and their workers around the world.

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Leading the Way in the Commercial FGFD Safety


The HVAC industry presents a wide variety of gas detection needs, from boiler rooms, to engineering and research labs, transportation maintenance facilities to a number of other industrial building and facility applications. To enable personnel to work safely within these environments, monitoring of toxic gases, oxygen enrichment and deficiency and combustible gases is crucial.

Top protection for the most important part of your building.

A building’s mechanical room is the hub of its heating, ventilation and air conditioning system. This can include central utility plants, boiler and chiller rooms, mechanical and electrical rooms and fuel rooms. The equipment within these rooms has the potential to leak harmful combustible or toxic gases, including costly and environmentally harmful refrigerant gases.

Chillgard® 5000 Refrigerant Leak Monitor

The Chillgard® 5000 Refrigerant Leak Monitor provides the earliest level of detection of costly refrigerant gas leaks in mechanical equipment rooms. Sampling system with patented photoacoustic infrared (PAIR) technology detects leaks as low as 1 part per million (ppm). Intuitive, touchscreen user interface makes it easy to operate. Predictive maintenance and diagnostics keep you operational.

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Prevent overheating and help protect your data facility.

Refrigeration in data centers is pivotal in preventing the overheating of electrical equipment. Effective refrigerant leak detection can help ensure efficient cooling by minimizing leaks, protecting valuable equipment and data.

Chillgard® 5000 Refrigerant Leak Monitor

The Chillgard® 5000 Refrigerant Leak Monitor provides the earliest level of detection of costly refrigerant gas leaks in mechanical equipment rooms. Sampling system with patented photoacoustic infrared (PAIR) technology detects leaks as low as 1 part per million (ppm). Intuitive, touchscreen user interface makes it easy to operate. Predictive maintenance and diagnostics keep you operational.

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Control and ventilation of hazardous gases is your first defense.

In enclosed areas such as parking garages, potentially lethal concentrations of carbon monoxide (CO) and nitrogen dioxide (NO2) can build up quickly—before exposed individuals have any indication of danger. The issue is not whether these gases reach hazardous concentrations, but rather how to control and ventilate gas buildup when it occurs.

Z-Gard® S MPO Single Gas Sensor

The Z-Gard S MPO Gas Sensor connects directly to a building automation system for single gas monitoring solutions. It detects the presence of either carbon monoxide, nitrogen dioxide or combustible gases in air. The Z-Gard MPO Sensor communicates with one of several industry standard protocols, providing seamless integration with commercial automation systems.

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Cold storage isn’t without combustion risks.

Ammonia (NH3) is commonly used as a refrigerant in large industrial cold storage facilities. Ammonia leak detection systems can be installed to help mitigate the risks of toxicity and explosion.

Chillgard® NH3 Gas Monitor

The Chillgard NH3 Gas Monitor is the economical choice for fast, reliable detection of parts-per-million (ppm) levels of ammonia, down to -40°C. Capable of measuring a 10 ppm leak, with full-range scale of 0-1000 ppm.

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Enhance the safety of all of your occupants.

Building systems that employ Variable Refrigerant Flow (VRF) systems have long refrigerant piping runs that have the potential to leak into occupied space if not properly monitored.

Chillgard® VRF Refrigerant Leak Detector

MSA Chillgard VRF Refrigerant Leak Detector is the first industry detector for Variable Refrigerant Flow Systems (VRF) with integrated BACnet capability. Therefore, it can be directly connected with any Building Management Systems (BMS). MSA applies its proven Photoacoustic infrared sensing technology that provides a stable zero baseline, minimizes cross-sensitivities and offers low cost of ownership through minimum maintenance required.

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Photoacoustic Infrared Technology for Detection of Refrigerant Gases

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