RHI Heat Meter Recalibration: Is It Time to Check Your Old Installations?

10 years up? Keep the heat measured and the incentive moving.

Many Renewable Heat Incentive installations are now reaching a key milestone: the 10-year mark.

If your heat meter was installed around 2015 or 2016, now is the time to check whether it is due for recalibration or replacement. Under the RHI scheme, heat meters must remain accurate and compliant to support ongoing incentive payments. Leaving it too late could risk disruption, delays, or unnecessary issues with future claims.

At DMS Metering Solutions, we are reminding installers, contractors, consultants, and end users to revisit older RHI installations and check the status of their heat meters before the deadline creeps up.

Don’t let an old meter put your RHI payments at risk

Heat meters do a vital job. They measure the renewable heat being generated and used, which directly supports RHI reporting and payment calculations.

Over time, meters can drift, components can age, and approvals or communication requirements may have changed since the original installation. That is why the 10-year recalibration or replacement point matters.

If a meter is approaching the end of its approved calibration period, the safest approach is to review it early. This gives enough time to check the existing installation, confirm the correct replacement or recalibration route, and keep everything running smoothly.

Check your old installs now

If you installed or manage RHI systems, now is the moment to look back through your records.

Ask yourself:

• Is the heat meter approaching 10 years old? 

• Has the meter already been recalibrated or replaced?

• Is the installation still using the best meter for the application? 

• Are the communication options still suitable?

• Is the metering setup ready for future compliance, reporting, or monitoring needs?

• A simple check now could save a much bigger headache later.

DMS can help with recalibration or replacement

DMS Metering Solutions can support clients with both heat meter recalibration and replacement options, helping sites continue to meet their RHI obligations and protect ongoing incentive payments.

As the UK exclusive partner for Sontex, DMS can supply high-quality heat and cooling metering solutions designed for accuracy, reliability, and long-term performance.

Where replacement is the best option, we can help identify a suitable Sontex heat meter for the application, including options for heating, cooling, glycol systems, data logging, and communications.

Where recalibration is possible, we can advise on the process and help clients understand the most practical and cost-effective route.

More than a meter swap

A 10-year review is also a chance to future-proof the installation.

Many older RHI systems were installed before today’s wider focus on heat network performance, remote monitoring, data collection, and compliance reporting. Replacing or reviewing the meter can open the door to improved communication options such as M-Bus, wireless M-Bus, LoRaWAN, pulse outputs, or other data collection routes.

This can help improve visibility, reduce manual readings, support better energy management, and make reporting much easier.

Learn more with DMS

For clients, installers, consultants, and facilities teams who want to better understand heat and cooling metering, DMS also offers Lunch n Learn sessions and CIBSE-approved CPD training.

Our sessions cover key topics including:

• Heat and cooling meter selection

• Metering applications and approvals

• Communication options 

• Data collection routes

• Compliance considerations

• Best practice for specification and installation

• Whether you need support with an existing RHI installation or want to strengthen your team’s metering knowledge, DMS can help.

• Don’t wait for the deadline

• The message is simple: if your RHI heat meter is approaching 10 years old, check it now.

• A proactive review can help avoid disruption, protect ongoing RHI incentive payments, and ensure the installation remains accurate, compliant, and fit for the future.

• Speak to DMS Metering Solutions today about RHI heat meter recalibration, replacement, Sontex heat meters, or booking a Lunch n Learn or CIBSE-approved CPD session.

10 years up? Keep the heat measured and the incentive moving.

Contact our sales team to discuss your heat meter today! 01773 534555 / meters@dmsltd.com 

Shop for heat meters here: https://www.dmsltd.com/d_25_heating-cooling 

Book training here: https://www.dmsltd.com/training 

Book CPD here: https://www.dmsltd.com/cpd-training