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Unvented Hot Water Systems

Reliable hot water and consistent pressure for every home

Unvented Hot Water Systems

Powerful Performance, Steady Flow, Everyday Comfort

At RPH Climate Solutions, we design, supply, and install high-quality unvented hot water systems that deliver powerful, mains-pressure hot water throughout your home. Whether you’re running multiple showers at once or filling a large bath, an unvented system ensures you’ll never experience poor flow or pressure drops again. As trusted specialists in Heat Pumps in Preston, we provide reliable, future-ready solutions tailored to your property’s needs.

Our fully qualified engineers are experienced in installing systems that integrate seamlessly with boilers, heat pumps, and solar thermal technology. Every installation is completed to the highest safety and performance standards, with all necessary G3 certification and full compliance with current Building Regulations.

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Two unvented hot water cylinders installed in a plant room with connected copper pipework
Hot water system installation featuring unvented cylinders and twin booster pumps in a plant room.
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Benefits

Safe, Reliable, and Built to Last

An unvented hot water cylinder stores water under mains pressure, meaning you’ll enjoy instant, consistent hot water without the need for a cold water tank. Perfect for modern living, it’s the smart choice for both new homes and system upgrades — especially when paired with efficient systems such as Heat Pumps in Preston to maximise performance and energy savings.

High Water Pressure

Enjoy strong, reliable water pressure at every tap, shower, and outlet — even when multiple fixtures are used simultaneously.

Energy Efficiency

Unvented systems retain heat for longer and work efficiently alongside renewable technologies such as air and ground source heat pumps, helping reduce your energy usage and bills.

Space-Saving Design

Without the need for a header tank in the loft, these systems save valuable space and simplify installation — ideal for modern homes and conversions.

Safety and Reliability

Every system we install is fully compliant with G3 regulations, ensuring safe operation and long-term reliability. Our engineers are trained, certified, and experienced in handling high-pressure systems with precision.

FAQs

Everything You Need to Know About Unvented Hot Water Systems

Switching to an unvented hot water system can make a huge difference to your home’s comfort and performance. Here are some of the most common questions we receive — and how RPH Climate Solutions ensures every system delivers safe, efficient, and reliable results.

What is an unvented hot water system?

It’s a sealed system that delivers hot water at mains pressure, providing strong flow and constant temperature without needing a cold water storage tank.

Is my property suitable?
Can it work with a heat pump or boiler?
Is it safe?
How often does it need servicing?
Can it be retrofitted into existing homes?

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Ready to make your home or business more efficient and sustainable?

Get in touch with RPH Climate Solutions today for expert advice, bespoke designs, and a free initial consultation.

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