Cornwall Living

Future proofing homes

A Cornish installer helping households reduce bills using renewable systems today.

Across the South West, household energy use has become a real concern rather than an abstract one. Rising electricity and heating costs, older oil and gas systems still in circulation, and uncertainty around future pricing have placed pressure on how homes are run day to day. In response, many property owners are reassessing the way their homes are heated and powered, with a growing shift towards systems that generate and manage energy on site.

GreenGenUK operates out of Cornwall and works across Cornwall, Devon and Somerset, focusing on renewable energy installations for domestic properties. Its work centres on air source heat pumps, solar photovoltaic systems and battery storage, delivered as individual home systems or combined energy setups. Over the past year, the company has completed hundreds of installations across the region, reflecting steady demand from households seeking to reduce reliance on oil tanks, gas supplies and the wider grid.

The company’s workload places it among the more active renewable installers in the South West, with recognition extending beyond local activity. It has received industry awards and is regularly positioned alongside larger national firms in performance assessments. Its standing in relation to the Boiler Upgrade Scheme has also drawn attention, with the business ranking among the UK’s leading installers for voucher redemptions. That position is tied to how grant applications are managed and processed through completed installations, where accuracy and timing play a direct role in household take-up of funding.

At the centre of GreenGenUK’s operation is its design process. Each property is assessed individually before any installation is agreed. In-house design staff review existing heating systems, insulation levels, roof orientation and household energy use patterns. From this, a specification is produced that determines whether a heat pump system, solar PV array, battery storage unit, or a combination of technologies is appropriate. The emphasis is on fitting systems to existing buildings rather than applying standardised packages.

Air source heat pumps form a major part of its work. These systems draw heat from outside air and convert it for domestic heating and hot water. When installed correctly and matched to a suitable property, they can reduce dependence on oil and gas heating systems. Government support through the Boiler Upgrade Scheme currently provides a grant of £7,500 towards installation, which has influenced uptake across rural and semi-rural homes where oil heating
remains common.

Solar PV installations provide another layer of energy control. Panels fitted to rooftops generate electricity during daylight hours, which can be used directly within the home or stored in battery systems for later use. Battery storage allows households to retain surplus energy for evening use, reducing the need to import electricity at peak times. For many households, this combination alters daily consumption patterns, particularly where electric heating or vehicle charging is part of the energy profile.

The integration of these systems is a core part of GreenGenUK’s approach. Rather than treating heat, power generation and storage as separate elements, systems are designed to work together. A heat pump may draw power generated by solar panels, with excess stored in a battery unit, forming a single operational cycle within the home. This configuration is intended to reduce exposure to fluctuations in grid pricing while maintaining a consistent supply.

Installation work is carried out by in-house teams who manage both fitting and commissioning. Once systems are installed, they are tested and calibrated to ensure they operate within expected efficiency ranges. Homeowners are then guided through system controls and monitoring tools so that energy use can be tracked over time. This ongoing visibility is a feature many households use to adjust habits around heating schedules and appliance use.

The company’s growth across the South West reflects a wider shift in how domestic energy systems are being approached. Rather than replacing a single appliance, installations now often involve multiple technologies working together in one property. GreenGenUK’s role sits within that change, delivering systems that respond to current energy costs and the physical characteristics of individual homes.

For households considering renewable energy, GreenGenUK offers initial home energy surveys to assess suitability and potential system design. These assessments form the starting point for installation planning and grant eligibility checks, providing a structured route into renewable heating and electricity generation for properties across Cornwall and
surrounding counties.