Commercial Boiler Repair in Dorset

18/01/2026

Fast, Reliable Heating Support for Businesses

If you manage a school, hotel, holiday park, pub, medical centre, office building or any other commercial premises, a boiler fault can cause major disruption — sometimes even forcing you to close parts of the building.

At Total Energy Services, we provide commercial boiler repair across Dorset, Wiltshire, Hampshire and Somerset, helping businesses get back up and running quickly, safely, and with minimum stress.

Trusted Commercial Boiler Repair Engineers (Dorset & Surrounding Areas)

Commercial heating systems are more complex than domestic boilers. They often run higher demand, larger pipework systems, multiple zones, pressurised plant rooms, or combined heating and hot water systems.

That’s why it’s important to use engineers who understand the scale and safety requirements of commercial heating.

Our team is:

Gas Safe registered for commercial gas work
Fully qualified, insured and DBS checked
Experienced across a wide range of commercial sites and sectors
A Which? Trusted Trader
Supporting customers across Blandford, Poole, Bournemouth, Wimborne, Dorchester, Shaftesbury, Wareham, Ferndown, Gillingham, Sherborne and beyond

Common Commercial Boiler Problems We Repair

Commercial boilers can fail for lots of reasons — wear and tear, poor system water quality, control issues, or simply being pushed hard during colder weather.

Some of the most common commercial boiler repair call-outs we attend include:

✅ No heating or hot water

Often caused by controls issues, pump failures, low pressure, or faulty sensors.

✅ Boiler keeps switching off (lockouts)

This could relate to gas supply issues, ignition faults, overheating, or blocked condensate pipework.

✅ Low system pressure / recurring pressure drops

A common symptom of a leak, faulty expansion vessel, PRV issues, or air in the system.

✅ Strange noises (banging, kettling, whistling)

Usually linked to limescale/sludge build-up, poor circulation, or pump problems.

✅ Leaks from boiler or plant room pipework

Leaks can escalate quickly and cause serious damage if not dealt with fast.

✅ Fault codes / error messages

Modern commercial boilers display fault codes that help diagnose the issue — but you still need an experienced engineer to resolve the cause properly.

Emergency Commercial Boiler Repair

If your boiler fails during business hours — or worse, during a busy weekend — you need an engineer who can respond quickly, keep you updated, and make safe decisions on the spot.

We understand the pressure commercial sites are under when heating fails, particularly in:

Schools and nurseries
Care and medical settings
Hotels, pubs and restaurants
Holiday parks
Offices and industrial units

Our aim is simple: restore service as quickly and safely as possible, while keeping downtime and disruption to a minimum.

Commercial Boiler Repair vs Replacement: What’s Best?

Sometimes a repair is absolutely the right solution — especially if the boiler is in reasonable condition and the fault is isolated.

However, if your boiler is older and breakdowns are becoming regular, replacement may be the smarter long-term investment.

You may want to consider upgrading if:

Your boiler is 12–15+ years old
Repairs are becoming frequent
Parts are becoming difficult to source
Your energy bills are climbing
Heating is inconsistent across the building

Why Choose Total Energy Services for Commercial Boiler Repair?

We’re a family-run heating and plumbing company based in Blandford, Dorset, trusted by commercial sites across the region.

Businesses choose us because we offer:

✅ Prompt, reliable repairs
✅ Clear communication and transparent advice
✅ Safe, professional engineers
✅ Support for a wide range of sectors and premises
✅ Full commercial heating knowledge (not just domestic experience)

Whether it’s a one-off breakdown or you need ongoing support, we’re here to help.