Solar. Battery. Heat pump. The eco trinity.
Generate your own power, store it, and use it to heat your home. IWM designs and installs all three as one joined-up system, across Worcester and the Midlands. Honest advice, tidy workmanship, dependable support.
Get a free quote The trinityThree technologies, one system
Each is good on its own. Together they work as a team: solar makes the power, the battery holds it, and the heat pump puts it to work. That means lower bills, less carbon and more independence from the grid.
Solar PV
High-efficiency solar systems designed to make your own clean electricity and lower your bills.
Battery storage
Bank surplus solar, or cheap off-peak electricity, and use it when rates peak.
Heat pumps
Efficient year-round heating and hot water from air source heat pumps, including unvented cylinders.
Design & installation
Bespoke system design and tidy, professional installation of solar PV, battery storage, heat pumps and air conditioning.
Service & maintenance
Servicing and ongoing maintenance to keep your system running at its best.
- Mitsubishi Electric
- Worcester Bosch
- Victron Energy
- Myenergi
- Fronius
- SolaX
- Fogstar
- Homely Energy
- VentMann
Specialist engineers, based in Worcester
Every job is handled by qualified engineers who care about getting it right: transparent advice, bespoke system design and neat workmanship, from the first survey to commissioning.
- 16 Years Experience in the Renewables Industry
- F-Gas registered
- Manufacturer Trained Installers
- MCS Certified
Recent projects
A selection of our recent installation, commissioning and maintenance work. Tap a photo for the project summary.
Commercial flat-roof solar PV array
Solar PV installed on a commercial flat roof, designed to generate clean power on site and cut running costs.
Victron MultiPlus-II GX
Victron MultiPlus-II GX inverter/charger, wall mounted and commissioned as part of a home energy storage system.
Home battery storage
Wall-mounted battery storage that holds surplus solar or cheap off-peak power for use when it is needed.
Mitsubishi Electric outdoor unit
Mitsubishi Electric outdoor unit on anti-vibration feet with a local isolator and neat pipework.
Unvented cylinder & ASHP
Unvented hot water cylinder installed with an air source heat pump, with tidy, well-supported copper pipework and an expansion vessel.
Commissioning
Air conditioning commissioning: system evacuated with a vacuum pump and checked with digital gauges before handover.
Discreet ceiling diffusers
Slim slot diffusers set flush into a plastered ceiling for a clean finish that blends into the room.
Ducted air conditioning
Ducted air conditioning unit in a loft space, with insulated ductwork and condensate pipework.
Ready to switch to sustainable energy?
Tell us about your property and what you're after. We'll come back to you promptly.