When it comes to keeping your home supplied with plenty of hot water, the type of cylinder you choose can make a huge difference. Many homeowners across the UK are now opting for unvented water cylinders thanks to their efficiency, reliability, and ability to deliver strong water pressure throughout the home. As a trusted heating engineer in Bath, we often recommend unvented systems to families and larger households who need consistent hot water without compromise.

What is an Unvented Water Cylinder?
An unvented water cylinder is a sealed hot water storage system fed directly from the mains supply. Unlike traditional vented systems that rely on a cold-water tank in the loft, an unvented cylinder uses mains pressure to deliver hot water straight to your taps, showers, and appliances. This means better pressure, less space taken up in your home, and improved efficiency overall. Find out more about what an unvented cylinder is, in this post.
Key Benefits of an Unvented Water Cylinder
1. Stronger Water Pressure
One of the biggest advantages is the improved water pressure. Because the system is fed directly from the mains, you’ll enjoy powerful showers and faster-filling baths without the need for additional pumps. This is especially beneficial for homes with multiple bathrooms, where demand for hot water can be high at the same time.
2. Space-Saving Design
With no need for a large header tank in the loft, unvented cylinders free up valuable storage space. This makes them a great option for modern homes or properties where loft space is limited.
3. Consistent Hot Water Supply
Unvented systems are designed to supply hot water at mains pressure to multiple outlets simultaneously. This means that even if someone is running a shower upstairs while another person fills the kitchen sink, both can enjoy a reliable flow and temperature without disruption.
4. Energy Efficiency
Modern unvented cylinders are well-insulated and designed to retain heat for longer, helping to reduce energy consumption. Pairing one with a high-efficiency boiler, such as a Worcester Bosch, makes for a highly economical heating and hot water setup.
5. Safer and Cleaner Water
Because unvented cylinders are sealed systems, the risk of contamination is significantly reduced compared to older vented systems. They’re also equipped with multiple safety features, including pressure relief valves and thermostats, ensuring safe operation at all times.
6. Future-Proof Your Home
With energy efficiency and performance being top priorities for homeowners, installing an unvented water cylinder is a great way to modernise your property. These systems are compatible with renewable energy sources such as solar thermal panels, making them a wise long-term investment.
Pairing with a Worcester Bosch Boiler
An unvented cylinder works best when matched with a reliable, energy-efficient boiler. As accredited Worcester Bosch installers, we regularly fit these systems alongside unvented cylinders for homeowners in Bath and the surrounding areas. Worcester Bosch boilers are known for their outstanding efficiency, long warranties, and trusted reliability, making them the perfect partner for your new hot water system.
Why Choose Greensmart Services?
At Greensmart Services, we understand that every home is different. Our experienced team will assess your property, recommend the best system for your needs, and install it with the care and attention to detail we’re known for. Whether you’re upgrading your current cylinder, looking to free up space, or simply want stronger water pressure, we can help.
Upgrade Your Hot Water System Today
If you’re tired of weak showers, unreliable hot water, or outdated systems, now could be the perfect time to upgrade to an unvented water cylinder. Backed by a high-efficiency Worcester Bosch boiler, you’ll enjoy comfort, convenience, and lower energy bills for years to come.
Contact your trusted heating engineer in Bath today and let Greensmart Services provide the ideal heating and hot water solution for your home.