Integrated renewable energy design and strategic advice
Alden’s renewable technologies service begins with in-depth feasibility studies and early-stage design support, ensuring that each system aligns with Building Regulations Part L. We work closely with our clients to establish usage patterns and energy goals, advising on how environmental factors fit into your cost plan and selecting the most suitable technologies for long-term performance and maintainability.
We design everything from grey-water recycling systems to ground-source heat pumps, shaping each installation around your site’s specific requirements. Whether it’s heat-recovery ventilation, ultra-efficient condensing boilers or smart energy control strategies, our team is able to design sustainable, reliable solutions that support your green initiatives and keep energy costs down.
Specialist renewable systems installation
We’re experts in the design and installation of air-source, ground-source and hybrid heat pump systems, biomass boilers, and solar thermal arrays to decarbonise heating and hot water plants. Our design engineers and project managers coordinate every detail, from groundworks for boreholes to roof-mount panel installation, ensuring seamless integration with existing mechanical services.
Each system is commissioned and tested to the highest industry standards, with all necessary certifications and manufacturer warranties secured on your behalf. We provide full documentation, performance data and user training at handover, so your facilities team can operate and maintain the installation with confidence. Our approach not only maximises energy yield and reliability but also helps you to access available incentives and maintain compliance.


Reliable in-house renewable energy services
All of our renewable projects are delivered by Alden’s in-house teams, who manage estimating, procurement, installation and commissioning under one roof. As well as being experts with decades of industry experience, our engineers receive ongoing manufacturer training, guaranteeing specialist competence on the newest renewable technologies.
Post commissioning, we provide tailored maintenance agreements to BESA guidelines, including performance monitoring, seasonal tune-ups and emergency repairs. This allows us to maintain safety and efficiency over the full system lifecycle, helping to support your sustainability long-term goals.
Featured projects
Take a look at some of Alden’s most recent projects.
Our approach to renewable energy
Our design department is dedicated to carrying out all aspects of building services to incorporate renewable and energy efficient technologies wherever possible. We aim to provide environmental and financial benefits to our clients while also meeting the requirements of Building Regulations Part L.
Other services we provide
Alden delivers bespoke turnkey solutions for mechanical, electrical and plumbing projects of all types and sizes. Our in-house team offers a wide variety of services, allowing us to seamlessly manage and deliver every stage of the project.
FG Alden’s major projects contracting department accommodates the larger and more complex mechanical, electrical and plumbing projects.
FG Alden’s in-house design team delivers high-quality, technically advanced MEP design services tailored to the unique needs of each project.
FG Alden’s special projects team delivers complex mechanical and electrical works in complex environments, with a focus on sensitive, high-quality installation.
Why choose Alden?
- Over 100 years of experience
- Fully insured and BS EN ISO 9001 accredited
- Awarded the Royal Warrant of Appointment to the King
- In-house team of highly qualified experts
- Established relationships with vetted and approved contractors













