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Expert Plumbing, Heating & Renewable Energy Solutions in Somerset
Otter South West has established itself as a trusted provider of plumbing, heating, and renewable energy solutions across Somerset, Devon, and the South West England region. Our team of qualified engineers delivers high-quality installations and maintenance services, specialising in central heating, gas systems, and renewable technologies like air source and ground source heat pumps. We prioritise compliance with industry regulations, including asbestos awareness and GDPR standards, ensuring all work meets rigorous safety and data protection requirements.

With a strong reputation for exceptional before-and-after sales service, we serve new housing developments, local authorities, and private clients, offering competitive pricing without compromising on quality. Our commitment to ongoing technical training and partnerships with leading manufacturers like Daikin ensures we remain at the forefront of heating innovation. Customer testimonials consistently highlight our professionalism, attention to detail, and dedication to maintaining clean, respectful work environments throughout every project.
Services
Air Source Heat Pumps Ground Source Heat Pumps Gas Boiler Installations Underfloor Heating Systems Electrical Installations Designer Bathrooms Solar Thermal Hot Water
Highlights and features
  • Our engineers hold NAPIT certification and undergo regular technical training
  • We maintain full compliance with asbestos awareness and GDPR regulations
  • 2018 LABC Building Excellence Awards regional finalist for construction quality
  • Specialist Daikin service partners with access to premium heat pump technology
  • Proven track record serving local authorities and private clients across the South West
Associations and certifications
  • NAPIT
  • LABC Building Excellence Awards 2018 Finalist
What people say
Polite and helpful Cleaned up everyday Work was neat and tidy Excellent communication Would recommend to friends
Services
Air Source Heat Pumps
Air source heat pumps extract ambient heat from external air to power radiators, underfloor heating, and domestic hot water systems. Our Daikin-certified engineers install high-efficiency units that operate effectively even at -15C. These systems reduce carbon emissions by 2-3 units of heat per electricity unit consumed, offering significant savings over traditional electric heating while requiring only annual maintenance.
Ground Source Heat Pumps
Ground source heat pumps utilise underground pipe loops to harvest geothermal energy for whole-house heating and hot water. Our installations feature anti-freeze fluid circulation systems that maintain efficiency year-round. While requiring more extensive initial groundwork, these systems deliver 2-4 units of heat per electricity unit, making them ideal for properties seeking long-term energy independence in rural Somerset locations.
Gas Boiler Installations
We specialise in natural gas and LPG boiler installations with programmable timer controls for optimal energy management. Our systems provide instant hot water and zoned heating control, featuring modern condensing boilers that achieve over 90% efficiency. All installations comply with current gas safety regulations, with engineers holding Gas Safe Register qualifications to ensure complete system reliability.
Underfloor Heating Systems
Our underfloor heating solutions integrate seamlessly with renewable energy sources, operating efficiently at lower temperatures than traditional radiators. The systems use cross-linked polyethylene piping embedded in floor slabs, controlled by programmable thermostats for precise temperature management. Ideal for new builds and renovations, they offer space-saving benefits while maintaining consistent room temperatures across residential and commercial properties.
Electrical Installations
Our NAPIT-registered electrician provides complete electrical solutions for residential and commercial projects. Services include consumer unit upgrades, lighting installations, and integration with renewable energy systems. We maintain strict compliance with BS 7671 wiring regulations, with all work independently inspected to ensure safety and performance standards. Our apprenticeship programme ensures ongoing technical development for future electrical specialists.
Questions
What areas do you cover for heating installations?
We serve Somerset, Devon, and the wider South West England region, including properties along the M5 corridor.
Are your engineers certified for renewable systems?
Yes, our team holds NAPIT certification and Daikin partnership accreditation for heat pump installations and maintenance.
Do you work with local authorities?
We are approved contractors for local authority housing developments, specialising in renewable heating system installations.
What accreditations do you hold?
We are NAPIT-registered and were 2018 LABC Building Excellence Awards regional finalists for construction quality.
How do heat pumps reduce energy bills?
Heat pumps generate 2-4 units of heat per electricity unit, significantly lowering running costs compared to conventional heating systems.
Can you install underfloor heating with renewables?
Yes, we design integrated systems combining underfloor heating with heat pumps for optimal energy efficiency.