Oil Combi Boiler Specialists across Dorset, Somerset & Wiltshire

Experts in installations, service and repairs of oil combi boilers

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Oil Combi Boilers

We install, service and repair oil combi boilers across Dorset, Somerset, Wiltshire and Hampshire. Our experienced OFTEC registered engineers can help you choose the right heating solution for your home.

An oil combi boiler, sometimes called an oil-fired combi boiler, provides both heating and hot water directly from one compact unit without the need for a separate hot water cylinder.

Best Oil Combi Boilers

At Total Energy Services, we install some of the UK’s leading oil combi boiler brands including Grant and Worcester Bosch.

The best oil combi boiler for your home will depend on:

Property size
Hot water demand
Available space
Existing heating system
Budget
Internal or external installation preference

Our experienced engineers can advise on the most suitable oil combi boiler based on your property and heating requirements.

What our customers say?

Reuben and Ollie did a fantastic job on fitting our boiler whilst we were on holiday. We’ve returned to a fully working system again, their workmanship was excellent.

E Duxbery, Dorset

Had Liam and Will out to service my boiler. Excellent service, super polite and professional. Would highly recommend!

K Rogers, Somerset

TES arrived within a couple of hours to assess my small yet persistent leak. The next day everything fixed all new connections and valves- very professional and a job well done.

T Newman, Wiltshire

Highly recommended for any boiler / heating issues - these guys are awesome and knowledgeable.

Eric Duxbery

Arrived on time. Very knowledgeable about my boiler. Explained what was happening.
Job done well and with no mess.

D Flower

Accredited with leading manufacturers

Grant Oil Combi Boilers

Grant oil combi boilers are one of the most popular choices for rural homes across Dorset, Somerset and Wiltshire. Known for their reliability and efficiency, Grant combi boilers provide heating and hot water from one compact unit.

Grant Vortex Combi Boilers

The Grant Vortex combi boiler range is especially popular for off-grid homes looking for efficient and reliable oil-fired heating.

Grant oil combi boilers are available in:

Internal models
External oil combi boiler models
Compact space-saving options

Book your free combi boiler survey

Our Accreditations

Why Total Energy Services?

Family Run Business

Our family run business has been established for over 30 years

Oil Heating Specialists

Our experienced engineers oil heating specialists work with a wide range of oil-fired heating systems.

OFTEC Approved engineers

If you are looking for a honest local company then look no further

Accredited Boiler Installers

Being accredited by leading boiler manufacturers, ensures we can offer our customers extended warranties.

Worcester Bosch Oil Combi Boilers

Worcester Bosch oil combi boilers are designed for rural and countryside properties without mains gas. Worcester oil combi boilers combine reliable heating performance with energy-efficient operation and compact design.

Worcester oil combi boilers are often ideal for:

Rural cottages
Farmhouses
Family homes
Off-grid properties
Kitchen and utility room installations

Our OFTEC registered engineers install, service and repair Worcester oil combi boilers across Dorset, Somerset, Wiltshire and Hampshire.

External Oil Combi Boilers

External oil combi boilers are designed to be installed outside the property within a weatherproof casing, helping free up valuable indoor space.

An external oil combi boiler can be ideal for:

Smaller homes
Kitchen renovations
Utility room space saving
Rural properties
Homes with limited indoor plant space

Both Grant and Worcester Bosch offer external oil combi boiler options suitable for a wide range of rural properties.

We aim to provide fast response times and practical repair advice wherever possible.

Oil Boiler Engineers Covering Dorset, Somerset, Wiltshire & Hampshire

Total Energy Services provide oil combi boiler installation, servicing and repairs across Dorset, Somerset, Wiltshire and Hampshire. Our engineers regularly work in Poole, Bournemouth, Wimborne, Blandford Forum, Salisbury, Dorchester, Sherborne, Christchurch, Ringwood, Weymouth, Yeovil and surrounding areas.

FAQs

An oil combi boiler provides both central heating and instant hot water from a single unit. Unlike a system or regular boiler, it doesn’t usually require a separate hot water cylinder, making it a popular choice for homes where space is limited.

Oil combi boilers are often ideal for smaller to medium-sized homes with one or two bathrooms and a moderate demand for hot water. If your household regularly uses multiple showers or taps at the same time, we may recommend a different type of oil boiler.

An oil combi boiler offers several advantages, including:

Instant hot water on demand
No separate hot water cylinder in most installations
Space-saving design
High energy efficiency
Reliable heating for off-grid homes
Lower installation costs in some properties

An oil combi boiler heats water as you need it and generally doesn’t require a hot water cylinder. An oil system boiler stores hot water in a separate cylinder, making it better suited to larger households with higher hot water demands.

We install oil combi boilers from trusted manufacturers, including Grant and Worcester Bosch, helping you choose a reliable, energy-efficient model that’s suited to your home and budget.

In many cases, yes. However, it depends on your property’s layout, heating system and hot water requirements. We’ll assess your home and advise whether an oil combi boiler is the most suitable option.

Yes. Modern oil combi boilers are significantly more efficient than many older models, helping reduce fuel consumption while providing reliable heating and hot water.

With regular servicing and proper maintenance, a quality oil combi boiler can often last 15 to 20 years or more. Annual servicing helps keep the boiler operating safely and efficiently.

Yes. Like all oil-fired appliances, an oil combi boiler should be serviced annually. Regular servicing helps maintain efficiency, improve reliability and identify potential issues before they become more serious.

Yes. We offer free, no-obligation quotations for new oil combi boiler installations. We’ll assess your property, discuss your heating requirements and recommend the most suitable boiler for your home.