Who we are.
Northern Renewable Energy Service (NRES) is dedicated to providing top-tier servicing and maintenance of energy solutions for businesses across the North East of England and the South East of Scotland. Our expertise encompasses a wide range of energy systems, ensuring that your business remains warm, efficient, and operational all year round.
We specialise in energy servicing and maintaining a variety of commercial systems, including: gas and electric boilers, Air Source Heat Pumps (ASHP), Biomass Boilers, Combined Heat and Power (CHP) systems, and more.
Our comprehensive approach ensures that every aspect of your energy infrastructure is functioning optimally.
Our mission is to provide responsive and reliable service to keep your business premises warm and efficient. We are proud to serve the following postcodes: TD, EH, NE, DH, DL, TS, HG, YO, and SR, ensuring rapid response times and local expertise.
What we offer.
As HETAS Approved Servicing Technicians, we are committed to delivering a range of services tailored to meet the needs of local businesses. Our services include:
Servicing
Regular servicing is crucial to maintaining the efficiency and longevity of your energy systems. By servicing heat pumps, Biomass, CHP, gas, and electrical solutions, we help you achieve greater energy savings and reduce the risk of unexpected breakdowns.
Our comprehensive annual servicing plan includes:
- Full inspection of all system components to identify and address any potential issues
- Thorough settings and reports check to ensure optimal performance
- Brine testing to maintain the efficiency of your heat pump systems
- Expansion vessel check to prevent pressure issues
- Filter cleaning to improve system airflow and efficiency
- Pipe insulation check to reduce heat loss
- Domestic Hot Water (DHW) check to ensure consistent hot water supply
- Sentinel inhibitor top-up to prevent corrosion and scaling
- Sensor calibration for accurate system readings
- Outdoor fan unit cleaning to maintain optimal airflow and efficiency
We also hold the following Gas Appliance certifications:
- CP42: Commercial Kitchen Appliance Certificate, ensuring the safety and efficiency of your kitchen equipment
- CP12: Certificate for Boilers, guaranteeing compliance with safety regulations
Maintenance
Even with regular servicing, systems can sometimes encounter issues, particularly as they age. Our team of fault-fixing experts is dedicated to diagnosing and resolving any problems quickly and efficiently, minimising downtime and ensuring that your business’s energy solution is back up and running as soon as possible.
WE KEEP YOUR BUSINESS
WARM & EFFICIENT!
Where we work.
With our headquarters in Sunderland, our team of skilled energy servicing and maintenance technicians operates across the North East of England and into the South East of Scotland. We proudly serve the regions of Edinburgh and Glasgow, as well as the surrounding areas. Our current service coverage includes the following postcodes: TD, EH, NE, DH, DL, TS, HG, YO, and SR.
If you’re unsure whether we service your area, please don’t hesitate to contact us. We regularly review and expand our coverage to meet the needs of our growing customer base.
Latest News.
Your commercial boiler needs regular servicing, and summer is the perfect time to do this for a number of reasons. Be proactive, don't wait for the cold weather to return!
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In the quest for a greener, more sustainable future, cities around the world are reimagining their energy infrastructure.…
While the best time to service your commercial heating system is actually during the spring or summer months,…
Why choose us?
Since 2014, NRES has been a trusted provider of energy solution servicing and maintenance for businesses across a wide range of sectors, including:
- Hotels and spas
- Care homes
- Educational institutions
- Retail establishments
- Hospitality venues
- Administrative and professional services
Our commitment to excellence is reflected in our ability to source spare parts for next-day delivery, ensuring that any downtime is minimised and your energy solution remains operational.
We are proud to be a HETAS Registered Installer for Biomass Boiler installation and services, as well as ETA VIP Installers for Biomass boilers and Sokratherm VIP Installers for CHP solutions. Additionally, our CP42 certification allows us to manage the gas appliance testing of Commercial Catering Equipment, ensuring safety and compliance.
Choose NRES for reliable, expert servicing and maintenance of your commercial energy systems. Contact us today to learn more about how we can support your business’s energy needs.
Booking and information request.
Book a free, no obligation consultation with a member of our friendly team to discuss the energy servicing needs of your business.