Professional Boiler & Heating Servicing Southampton, Salisbury & Hampshire
Keeping your boiler and central heating system serviced regularly is essential for safety, efficiency, and long term performance. At Masons HPS, we provide trusted annual boiler servicing and central heating maintenance for homeowners and landlords across Southampton, Salisbury, Eastleigh, Winchester, Totton, the New Forest, Romsey, Wellow and the surrounding Hampshire areas.
Our Gas Safe and OFTEC registered engineers deliver thorough inspections, detailed performance checks, and expert care you can rely on, whether you have a gas, oil or LPG boiler, an air source heat pump or an unvented hot water cylinder. This ensures your home stays warm, safe, and energy efficient all year round.

Why Boiler & Heating Servicing Matters
Regular servicing isn’t just about compliance, it helps your heating system run safely and efficiently. Professional servicing can:
- Detect potential faults early, preventing costly repairs
- Maintain energy efficiency, lowering heating bills
- Ensure your system is safe and compliant with industry standards
- Protect warranties from voiding due to missed servicing
As a result, with annual servicing, our engineers can check every part of your system, from combustion components to safety devices, ensuring potential issues such as carbon monoxide leaks, poor efficiency, or breakdowns are prevented.
Comprehensive Boiler & Heating Service
We provide a detailed, professional service for all types of heating and hot water systems, including:
- Gas boilers (combi, system, and conventional)
- Oil boilers (OFTEC registered)
- LPG / liquid petroleum gas systems
- Air source heat pumps
- Unvented hot water cylinders
Our standard boiler service includes:
1. Inspection and cleaning of all critical boiler components
2. Performance and safety tests on controls and combustion
3. Gas, oil, or LPG leak checks and flue inspection
4. Efficiency assessment and optimisation advice
5. Full documentation of findings for your records
We service all makes and models of boilers, whether modern high efficiency units or older systems. Our engineers ensure your system operates safely, efficiently, and reliably.
Air Source Heat Pump Servicing
Just like a boiler, an air source heat pump needs regular servicing to keep it running efficiently and keep your running costs down. Most manufacturers recommend a service once a year, and it is often needed to keep your warranty valid.
Our heat pump service includes checking and clearing the outdoor unit, checking system pressure and water flow, testing the controls and settings, and making sure your system is set up to run as efficiently as possible. Find out more about our heat pump installations.
Unvented Hot Water Cylinder Servicing
Unvented hot water cylinders store hot water at mains pressure, so they rely on their safety devices working properly. Manufacturers recommend an annual service, and it is usually a condition of the warranty. Our cylinder service includes:
- Checking and testing the pressure and temperature relief valves
- Checking the expansion vessel charge
- Checking the pressure reducing valve and inlet controls
- Checking the tundish and discharge pipework
- Testing the thermostats and immersion heater
Additional Heating Services alongside boiler & heating servicing Southampton
In addition to standard boiler servicing, we offer:
Power Flushing
Sludge and debris can build up in your central heating system over time, reducing efficiency and causing cold spots. Our power flushing service clears your system thoroughly to improve performance and extend its lifespan.
Water Quality Testing
Poor water quality can lead to corrosion and reduced efficiency. Our engineers perform comprehensive water testing and take action to protect your central heating system.

Water Testing
We offer comprehensive water testing services for boilers and heating systems to ensure optimal performance and longevity.
The quality of water used in these systems is crucial, as contaminants can lead to issues such as corrosion, scale buildup, and reduced efficiency.
Our skilled technicians conduct thorough analyses to identify harmful substances, including dissolved minerals and gases, that may affect your heating system’s operation.

Power Flushing
Power flushing is an essential service that helps maintain the efficiency of your central heating system. Over time, sludge and debris can accumulate in your heating system, reducing performance and increasing energy costs.
Our skilled technicians utilise specialised equipment to perform power flushing, effectively removing blockages and restoring optimal flow throughout the system.
This service not only enhances the performance of your heating system but also extends its lifespan.
Contact us today – https://www.masonshps.co.uk/contact-us/
Here are some FAQs for Central Heating Servicing
Most boilers should be serviced at least once a year, ideally before the colder months. Regular servicing helps catch small issues early and ensures your system performs optimally, whether it’s a gas, oil, or LPG system.
Gas servicing is crucial for maintaining the safety and efficiency of your appliances. It helps prevent issues like carbon monoxide leaks, improves performance, and prolongs the lifespan of your boiler, fires, or cookers.
Our comprehensive servicing includes inspecting and cleaning key components, checking for gas leaks, testing safety features, and assessing overall performance. We ensure your system complies with safety standards and operates efficiently.
Yes. Our OFTEC registered engineers service oil boilers, and we also service LPG boilers and appliances for homes that are not on mains gas across Southampton, Romsey and Hampshire.
Yes. Most manufacturers recommend servicing an air source heat pump once a year to keep it running efficiently and to protect your warranty. We service air source heat pumps across Southampton, Romsey and Hampshire.
Yes. Unvented cylinders store hot water at mains pressure, so their safety valves and controls should be checked every year. Most manufacturers need an annual service to keep the warranty valid.
Common signs include unusual noises, uneven heating, a sudden spike in energy bills, or your boiler not heating water properly. If you notice these issues, it’s time to book a service.
A standard service typically takes between 45 minutes to an hour, depending on the system’s condition. For more complex issues, additional time may be required.
No, gas servicing should only be carried out by a Gas Safe registered engineer to ensure safety and compliance with regulations. Attempting to service appliances yourself can be dangerous and void warranties.
Power flushing is a process to remove sludge and debris from your central heating system. It’s essential if you notice uneven heating, cold spots on radiators, or increased energy bills. Power flushing improves system efficiency and longevity.
Water quality can affect your system’s performance. Contaminants such as minerals and dissolved gases can cause scale build-up and corrosion. Regular water testing ensures your system operates efficiently and lasts longer.
The cost depends on the type of appliance and service required. We offer transparent, competitive pricing with no hidden fees. Contact us for a free quote tailored to your needs.
Booking a service is simple! You can call us on 01794765774, email us at [email protected], or fill out the contact form on our website. Our team will schedule a convenient time for you.
Book Your Boiler Service in Southampton, Salisbury & Hampshire
If you’re looking for reliable, professional boiler and central heating servicing in Southampton, Salisbury, or surrounding Hampshire areas, Masons HPS is here to help.
📞 Call us today: 01794765774
📩 Email: [email protected]
📅 Book online via our service portal https://book.servicem8.com/request_service_online_booking?strVendorUUID=feaad051-35fb-43ef-b582-21d0bc19a2ab
Our engineers are ready to ensure your gas, oil or LPG boiler, heat pump or unvented cylinder is safe, efficient, and fully operational.



