D M Long and Sons Limited: Vetted Renewable Experts in Suffolk
D M Long and Sons Limited is a highly regarded provider of renewable energy solutions located in Suffolk. This specialist business is dedicated to helping clients across the region transition to sustainable energy through the expert design and installation of air source heat pumps, ground source heat pumps, and solar PV systems. By focusing on high-efficiency technology, they provide tailored solutions for various properties in the local community, ensuring long-term performance and reliability.
Serving an extensive area that includes Eye, Diss, Stowmarket, Bury St Edmunds, and Ipswich, D M Long and Sons Limited has established a significant presence across both Suffolk and Norfolk. Their technical proficiency ensures that clients receive systems perfectly suited to their specific geographical and architectural requirements. By integrating top-tier brands such as Mitsubishi Electric, Danfoss, and Stiebel Eltron, they assist property owners in reducing their carbon footprint while improving energy independence. Their commitment to excellence is reflected in their comprehensive service offering, which also includes solar thermal systems, biomass boilers, and underfloor heating.
Core Services & Brands
- Air Source Heat Pumps
- Ground Source Heat Pumps
- Solar PV (Photovoltaics)
- Solar Thermal Systems
- Biomass Boilers
- Underfloor Heating
- Mitsubishi Electric
- Danfoss
- Stiebel Eltron
Maintaining high industry standards is central to the service provided by D M Long and Sons Limited. They hold essential accreditations including the Microgeneration Certification Scheme (MCS), RECC, NICEIC, and are on the Gas Safe Register and OFTEC. For any consumer, choosing an MCS-certified installer is a vital safeguard. It ensures that the technology installed is of high quality and that the installation itself meets rigorous UK safety and performance criteria. These certifications provide peace of mind, guaranteeing that the work is carried out by vetted professionals committed to consumer protection and excellence in the renewable sector.

