Heating & diagnostics
No heat, poor performance or recurring faults
Boiler and heating-system diagnosis, servicing, repair, controls, balancing and system optimisation.
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Domestic and commercial plumbing, heating, natural gas, LPG and oil — from breakdown diagnosis and repairs to complete heating systems, controls and specialist engineering.
From ordinary plumbing and heating faults to commercial plant and complex system problems, tell us what is happening and we will route the enquiry to the right type of work.
Boiler and heating-system diagnosis, servicing, repair, controls, balancing and system optimisation.
Repairs, water systems, cylinders, pressure and flow problems, bathrooms and planned plumbing work.
Domestic and commercial gas capability, LPG systems, oil heating, safety work, servicing and diagnosis.
Underfloor heating, hydraulic design, hot-water systems, controls, zoning and low-temperature system upgrades.
Plant, building-services work, diagnostics, repairs, compliance-led work and planned upgrades for business premises.
We install Viessmann boilers exclusively. Servicing, diagnostics, controls and heating-system optimisation are also available.
J Alexander & Co works across ordinary plumbing jobs, heating faults and more involved system problems. The aim is to identify the fault or design requirement properly before deciding the remedy.
Commercial plumbing, gas and heating work sits alongside domestic work, with a focus on safe diagnosis, repair, planned upgrades and building-services problems.
Enquire about commercial workOperational coverage includes Herefordshire, Worcestershire, Shropshire, Powys and Gloucestershire where the job is commercially appropriate.
Call if you want to speak to us. Use the enquiry route if it is easier to send the job details in writing.