New boiler installation, servicing and repairs
We specialise in new boiler installations, boiler maintenance, service and repairs in Dorchester and across Dorset and omerset.
Whether you need to upgrade your heating system or make sure your current boiler (combi or conventional) is running efficiently, our experienced team is here to help.
Expert Boiler Installation in Dorchester & Dorset
Whether you're replacing an unreliable boiler, renovating your home or looking to reduce your energy bills, ThermoLoco provides professional boiler installation services across Dorchester and Dorset.
As Gas Safe registered engineers and Vaillant Advanced Installers, we supply and install high-efficiency combi, system and regular boilers from trusted manufacturers including Vaillant, Worcester Bosch and Glow-worm. Every installation is carefully designed to suit your property's heating and hot water requirements, ensuring maximum comfort, reliability and efficiency.
Our experienced team will assess your existing heating system, recommend the most suitable boiler for your home and provide a clear, fixed-price quotation with no hidden costs. We also offer extended Vaillant warranties of up to 10 years for complete peace of mind.
From straightforward boiler replacements to full central heating upgrades, ThermoLoco delivers reliable workmanship, quality products and friendly local service you can trust.
Benefits of Installing a New Boiler
A modern boiler can make a significant difference to your home's comfort, efficiency and running costs.
✓ Lower energy bills through improved efficiency
✓ More reliable heating and hot water
✓ Reduced risk of breakdowns and costly repairs
✓ Improved heating control and comfort
✓ Quieter operation compared to older boilers
✓ Lower carbon emissions and reduced environmental impact
✓ Compact, space-saving designs available for most homes
✓ Manufacturer warranties of up to 10 years on selected models
If your existing boiler is over 10 years old, replacing it with a modern high-efficiency model could help reduce energy consumption while improving the performance of your entire heating system.
Hot Water Cylinders
For larger homes with higher hot water demands, pairing your boiler with a hot water cylinder can provide a reliable and efficient hot water solution.
Modern hot water cylinders store heated water ready for use, ensuring a consistent supply even when multiple taps, showers or bathrooms are being used at the same time. This makes them ideal for larger families and properties with higher daily hot water requirements.
An unvented hot water cylinder can also deliver excellent mains-pressure hot water, providing powerful showers and improved comfort throughout the home.
Benefits of a Hot Water Cylinder
✓ Reliable hot water for larger households
✓ Consistent water pressure at multiple outlets
✓ Ideal for homes with two or more bathrooms
✓ Excellent shower performance
✓ Compatible with modern boilers and heat pumps
✓ Energy-efficient hot water storage
✓ Future-proof solution for heating system upgrades
Our experienced engineers can advise on the most suitable hot water cylinder for your property, ensuring your heating and hot water system is designed to meet your household's needs both now and in the future.
Underfloor Heating
Underfloor heating is one of the most comfortable and energy-efficient ways to heat your home. By distributing heat evenly across the entire floor area, it creates a consistent temperature throughout the room without the cold spots often associated with traditional radiators.
Because the system operates at lower water temperatures, underfloor heating works exceptionally well with modern heat pumps and high-efficiency boilers, helping to improve system efficiency and reduce energy consumption.
Removing the need for radiators also gives you greater freedom when designing or furnishing your home, creating a cleaner and more spacious feel.
What our customers say
Reliable boiler servicing and maintenance
Regular boiler servicing is essential to keep your heating system running safely and efficiently. Annual maintenance helps prevent costly breakdowns, prolongs the lifespan of your boiler and means it complies with warranty requirements.
During a service, our Gas Safe registered engineer will:
Inspect all components for wear and tear
Clean internal parts to improve efficiency
Test safety features, including carbon monoxide checks
Check pressure levels and adjust settings for optimal performance
We service all major brands, including Vaillant Boilers, Worcester Bosch Boilers and Glow Worm Boilers.
Why regular servicing matters
Prevents unexpected breakdowns
Saves money on energy bills
Prolongs the lifespan of your boiler
Makes sure your heating system is safe for your household
Fast and efficient repairs
If your boiler isn’t working as it should, our experienced engineers are ready to diagnose and fix the issue quickly. From minor faults to major breakdowns, we provide lasting solutions that restore your heating system’s functionality. We use high-quality replacement parts from trusted manufacturers like Vaillant and Worcester Bosch to ensure reliability.
Why choose us for gas central heating services?
We pride ourselves on being Dorset’s trusted experts in gas central heating. Here’s why homeowners across the region rely on us:
Over a decade of experience. Since 2011, we’ve installed hundreds of boilers and designed countless heating systems
Vaillant Advanced Installer accreditation. Extended warranties and expert knowledge of Vaillant products
Gas Safe registered engineers. Certified professionals who prioritise safety
Comprehensive service offering. From new boiler installations to ongoing servicing and repairs
Customer-focused approach. Friendly service tailored to your needs
Serving Dorset and beyond
Based near Dorchester, we provide gas central heating services across Dorset, as well as the neighbouring counties of Somerset and Hampshire. Whether you’re looking for a new combi boiler installation or need expert boiler maintenance, we’re here to help.
Get in touch today
Ready to upgrade to a new boiler or book a service for your current system? Contact us today for expert advice or a no-obligation quote.
Let’s keep your home warm, safe, and energy-efficient!