Emergent Energy
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    Natural Gas Meters

    Insertion thermal mass and inline natural gas meters for submetering of natural gas service to buildings, HVAC heating, boilers, and industrial cooking or heat treat processes. We seek to provide the hardware and software to assist our global customers with the data collection process to enhance their ability to better understand and manage their efficiency and process improvement objectives.

    Insertion thermal mass and inline natural gas meters for submetering of natural gas service to buildings, HVAC heating, boilers, and industrial cooking or heat treat processes. We seek to provide the hardware and software to assist our global customers with the data collection process to enhance their ability to better understand and manage their efficiency and process improvement objectives.

    Why It Matters

    Natural gas is an essential and abundant energy resource for comfort heating and industrial manufacturing. Organizations seeking to reduce Scope 1 GHG emissions need accurate measurement of on-premise fossil fuel consumption. Monthly utility bills alone cannot provide the time-based visibility needed to identify inefficiencies, validate investments, or manage tenant billing accurately. Facility managers who benchmark costs based on the previous year's usage miss gradual efficiency degradation in mechanical systems — continuous data collection provides the benchmarking data to identify when re-tuning or service is needed.

    Key Selection Factors

    • Gas flow rate (CFH), pressure rating (typically 2–5 PSI delivered), and temperature range
    • Pipe size — insertion thermal mass meters are cost-effective for pipes > 2 inches (fixed cost regardless of pipe size)
    • Accuracy requirements and whether revenue-grade billing is needed
    • Power availability at the installation point (thermal mass meters require low-voltage DC power)
    • Metering hierarchy: main utility pulse, primary trunks, and process-specific metering — always plan the hierarchy to understand how collected data comes together
    • Pressure and temperature compensation capabilities for accurate energy calculations

    Meter Types

    Installation Guidelines

    • Consult with a licensed contractor to obtain needed permits before installation
    • For inline meters: identify materials needed for flanged or threaded female NPT connections
    • For insertion meters: weld thread-o-let onto gas supply line, install full-port ball valve, then insert meter through compression coupling
    • Consider the metering hierarchy: utility pulse → primary trunk metering → process-specific metering
    • If using a rotary-style inline meter on critical processes, install a bypass for serviceability
    • Insertion thermal mass meters install through a full-port ball valve — no bypass needed as the port can be isolated for servicing

    💡 Pro Tip: A 2-inch pipe is the transition point: below 2 inches, inline meters are more cost-effective. Above 2 inches, insertion thermal mass meters maintain the same cost regardless of pipe size while inline meters escalate significantly in size, weight, and cost.

    Frequently Asked Questions

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