Renewable Plumbing & Heating Engineer – ASHP, HIU, UVC, SHW

Low Carbon Recruitment are currently partnered with a long‑established renewable energy specialist who have been operating for over 20 years across the South (Bournemouth), Norwich, London & the Midlands. With a strong team already in place, they support domestic social housing, commercial sites and public sector clients with modern low‑carbon heating and hot water systems. They’ve built a reputation for safety, quality and reliable service, and due to continued growth, they’re now looking for an experienced Renewable Plumbing & Heating Engineer to join their field operations team.
This role is ideal for a plumber who enjoys varied work, problem‑solving and being hands‑on with modern renewable heating technologies. You’ll be carrying out servicing, fault‑finding and repairs across including Air Source Heat Pumps (ASHPs), Exhaust Air Heat Pumps (EAHPs), Ground Source Heat Pumps (GSHPs), Unvented Cylinders (UVC), Thermal Stores (TS), Heat Interface Units (HIUs), Underfloor Heating (UFH), and Solar Hot Water (SHW), and wider plumbing systems, ensuring installations run safely, efficiently and to compliance standards while delivering excellent customer service.
You will be required to travel to the warehouse for van stock once every 2 weeks to begin with, the company is in the process of dealing with wholesalers so there will be drop off points to collect materials and load van stock so you won’t have to travel into the ware house as often. A company van and fuel card are provided.
The Role
You’ll be responsible for the maintenance and repair of renewable plumbing and heating systems across residential and commercial properties. Day‑to‑day, that means:
Plumbing & heating servicing — Planned maintenance, diagnostics and performance checks across ASHPs, HIUs, UVCs, UFH and SHW
Fault finding — Quickly identifying issues across mechanical, plumbing and renewable components
System replacements — Swap‑outs and upgrades of failed or obsolete heating and hot water equipment
Technical reporting — Producing clear job notes, recommendations and follow‑on work assessments
Safety compliance — Working to G3, industry standards and internal H&S procedures
Customer interaction — Communicating clearly with tenants, clients and site teams
Associated tasks — Supporting ventilation checks (MVHR/MEV/PIV) where required
Requirements
NVQ Level 2 or 3 Plumbing & Heating (essential)
F-GAS (essential)
G3 Unvented Hot Water certification (essential)
Experience working on ASHP systems (preferred – training available)
Strong diagnostic ability across plumbing and heating systems
Excellent communication and customer service skills
High personal standards for safety, compliance and workmanship
Full UK Driving Licence
DBS or willingness to undergo one
Salary & Package
£50,000–£55,000 depending on experience
Monday – Friday – 8am – 5pm
Performance bonus (capped & uncapped options)
Overtime available
Company van, fuel card & mobile
25 days holiday + bank holidays + birthday off (33 Days Total)
Healthcare, pension, death‑in‑service
Full manufacturer and technology‑specific training (ASHP, SHW, HIU, UFH, etc.)