What Are Unvented Heating Systems?
Unvented heating systems, also known as pressurised or closed heating systems, are modern central heating solutions that operate as a closed-loop circuit. Unlike traditional open-vented systems, sealed systems don’t require an open expansion tank. Instead, they use a sealed expansion vessel and operate under pressure, making them more efficient and suitable for properties with limited loft space.
Benefits of Unvented Heating Systems
Space-Saving Design With no need for loft tanks, sealed systems free up valuable storage space in your home and eliminate the risk of frozen pipes in unheated roof spaces.
Improved Water Pressure Sealed systems deliver excellent water pressure throughout your property, ensuring powerful showers and efficient radiator performance on all floors.
Enhanced Efficiency The pressurised operation reduces the risk of air entering the system, minimising corrosion and improving overall heating efficiency and reliability.
Faster Heat-Up Times Without the need to heat large volumes of stored water, sealed systems respond quickly to thermostat demands, providing rapid comfort when needed.
Reduced Maintenance Fewer components mean fewer potential failure points, resulting in lower long-term maintenance requirements compared to traditional systems.
Our Installation Services
Our qualified heating engineers specialise in the complete installation of sealed heating systems, including:
- System Design & Planning – We assess your property’s specific requirements and design an optimal heating solution
- Boiler Installation – Professional fitting of system or combination boilers suitable for sealed systems
- Pipework & Radiators – Complete installation of heating circuits, radiators, and thermostatic controls
- Pressure Testing – Thorough testing to ensure system integrity and optimal operating pressure
- System Commissioning – Full commissioning and balancing for maximum efficiency
- Building Regulations Compliance – All work completed to current standards with necessary certifications
Comprehensive Maintenance Services
Regular maintenance is essential for optimal performance and longevity. Our maintenance services include:
Annual Servicing
- Pressure checks and adjustments
- Expansion vessel inspection
- Boiler efficiency testing
- Safety device verification
- System cleaning and inhibitor replacement
Repairs
- Pressure loss diagnostics
- Component replacement
- System leak detection and repair
System Upgrades
- Smart thermostat installation
- Radiator upgrades and replacements
- Energy efficiency improvements
- System optimisation
Why Choose Our Services?
Qualified Professionals – Our engineers are Gas Safe registered and fully qualified to work on sealed heating systems
Quality Guarantee – We use only premium components and provide comprehensive warranties on all installation work
Local Expertise – As a local company, we understand the specific heating challenges in our area and provide rapid response times
Competitive Pricing – Transparent, fixed-price quotations with no hidden costs
Ongoing Support – Comprehensive aftercare and maintenance packages to keep your system running efficiently
Get Your Free Quote Today
Whether you’re considering a new unvented heating system installation or need expert maintenance for your existing system, our team is ready to help. We provide free, no-obligation quotations and can arrange convenient site visits to assess your requirements.
Contact us today to discuss your sealed heating system needs and discover how we can improve your home’s comfort and efficiency.