H2O Degree offers a variety of BTU submetering solutions and tenant billing solutions for multi-family and commercial facilities. 

BTU Metering products from H2O Degree measure the thermal energy used in a variety of submetering applications including hydronic heating and/or cooling, solar thermal, geothermal, water-source heat pump and co-generation.

Our BTU metering products can be used in water systems for multi-family, commercial and industrial facilities.

If you own an office building or apartment complex, accurate BTU metering products are essential when the time comes to allocate energy usage to tenants, building systems and more.


Use the links below to view the meter installation overview or click the product photos to view details on each BTU metering product.

Application Guides

Understanding the process of installing a BTU meter is the one true way to guarantee optimal performance and accurate energy monitoring. H2O Degree is keen on delivering quality products but also putting you in a position to accurately use and take advantage of these products. Our comprehensive overview of the installation procedure for our BTU meters covers every element of your system. We discuss every step in detail, from preparation and positioning to configuration and testing. This guide serves as a reliable resource for all your BTU meter installation needs.

Thermostat Monitoring Products

Step into the future of energy management with H2O Degree’s suite of thermostat monitoring products. Engineered to provide precise control over utility commodities in both residential and commercial settings, our products are indispensable tools for optimizing energy usage and ensuring occupant comfort in all properties.

Trust H2O Degree for reliable, state-of-the-art thermostat monitoring products that empower you to achieve superior energy efficiency and comfort in your building

H2O Degree BTU Meter M54131
M54131 BTU Meter

 H2O Degree BTU Meters include both a BTU meter and flow sensor that monitor and record two temperatures, the temperature difference and the flow rate in order to determine BTU consumption.

The meters are fully compatible with H2O Degree’s wireless mesh radio network or can be used as a stand-alone product. In stand-alone applications the two dry contact pulse outputs are for positive (heating) and negative (cooling) therms.

H2O Degree BTU metering solutions are ideal for both new and retrofit applications.

H2O Degree BTU Meter RTD Outlet
RTD1004 BTU Meter Outlet Temperature Probe

This sensor is used to measure temperature by correlating the resistance of the RTD element with temperature.

The RTD1004 is a platinum RTD probe that has a stainless steel, 9/16” Hex housing with two foot long wires.This product is compatible with H2O Degree BTU meters.

H2O Degree BTU Meter Vortex Flow Sensor
Vortex Flow Sensor

This measures flows of liquid by detecting the flow velocity through the pipe.

Vortex flow sensors have no moving parts and are compatible with H2O Degree’s wireless mesh network system.

Additional Information…

BTU Submetering Solutions

H2O Degree’s BTU submetering solutions provide building owners and managers with the data required to easily and accurately allocate energy consumption to tenants and building systems.

When a facility chooses H2O Degree products to meet their BTU submetering requirements, our team of experts at H2O Degree is able to specify submetering systems that result in a variety of benefits. Submetering increases your property value more than any other capital investment or ancillary service, provides residents with accurate energy bills, and helps conserve water and energy to help protect the environment.

As utility costs continually rise, it’s crucial that residents pay actual utility costs based on consumption. Contact us today for more information regarding H2O Degree products to support your BTU submetering requirements.

Choose H2O Degree for your next BTU Submetering Project

The metering experts at H2O Degree take pride in providing solutions when it comes to measuring and controlling utility commodities around the globe.

While we provide a wide variety of BTU metering products, we offer other products and services to meter and monitor your utilities and control thermostats in your facility.

For more information about our water leak detection & alarming, utility submetering including water, electric, gas and BTU and LoRaWAN compatible solutions, contact H2O Degree today. electric metering products, gas metering, , thermostat monitoring control products, metering system infrastructure, and LoRaWAN compatible submetering products, contact H2O Degree today.

H2O Degree Quicklinks

As utility costs continually rise, residents must pay actual utility costs based on consumption. Contact us today for more information regarding H2O Degree products to support your BTU submetering requirements.

BTU Submetering FAQs 

When first learning or exploring BTU submetering, you’ll likely have plenty of questions on your mind. H2O Degree has compiled a list of frequently asked questions surrounding our BTU submetering products to assist in your understanding and ensure you make an informed decision. This section aims to provide clear, concise answers to help clarify any doubts or queries about the functionality, benefits, and installation process of our BTU submeters and the importance of the systems themselves. Please refer to these FAQs for immediate assistance and further insight into our product range, or contact H2O Degree for a deeper understanding of how our product can help you.

Why should I use a BTU Submeter?

A BTU Submeter is an essential tool for precise, real-time monitoring of your energy consumption. By providing detailed insights into how much energy is being used and where, these systems allow you to identify areas of inefficiency, develop targeted energy-saving strategies, and ensure fair allocation of costs, particularly in multi-tenant properties. A BTU Submeter lets property owners take control of their energy usage, optimizing operational efficiency and cost-effectiveness in more ways than ever before.

How accurate are BTU Submeters?

Modern BTU submeters are designed with advanced technology and typically offer high levels of accuracy, often within a few percentage points. This guarantees that the data you receive will be reliable and accurate, forming a solid basis for energy management decisions and fair billing.

Can a BTU Submeter help detect leaks?

Absolutely. A BTU Submeter continuously monitors the energy consumption in your system. This could indicate a leak or malfunction if it detects an unusual surge in energy use or a sudden, unexplained increase. In this way, a BTU Submeter serves as an invaluable early warning system, enabling you to address potential issues before they escalate.

Are there different types of BTU Submeters?

Yes, there are several types of BTU Submeters designed to cater to different needs. They can be categorized based on their application (such as for heating or cooling systems), measurement method (like direct or indirect), and the type of medium they measure (like air, water, or steam). Check out solutions like our Vortex Flow Sensor and the M54131 BTU Meter for more information.