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Understanding the Different Types of Central Heating Systems in the UK

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Central heating systems are the heart of UK homes, ensuring warmth, comfort, and efficiency during the colder months. Over the years, various types of central heating systems have evolved, each offering unique features, benefits, and suitability for different property types. This comprehensive guide aims to demystify the different types of central heating systems prevalent in the UK, helping homeowners make informed decisions tailored to their specific needs.

Conventional (Regular) Central Heating System

Components

  • Boiler: Heats water stored in a cylinder.
  • Hot Water Cylinder: Stores hot water for later use.
  • Cold Water Storage Tank: Supplies cold water to the system.
  • Feed and Expansion Tank: Maintains water levels and accommodates expansion.

Features

  • Suitable for larger properties with multiple bathrooms.
  • Offers the flexibility of installing various heating controls.
  • Requires ample space for the separate components.

System Boiler Central Heating System

Components

  • Boiler: Heats water for both heating and hot water storage.
  • Hot Water Cylinder: Stores hot water, eliminating the need for a separate cold water storage tank.

Features

  • Ideal for properties with high hot water demand.
  • Compact design compared to conventional systems.
  • Enables multiple heating zones and advanced controls.

Combi (Combination) Boiler Central Heating System

Components

  • Boiler: Heats water on-demand without the need for storage.

Features

  • Compact and space-saving design, as it eliminates the need for a hot water cylinder and storage tanks.
  • Provides instant hot water, ideal for smaller properties or homes with limited space.
  • Energy-efficient, as it heats water only when needed.

Heat Only (Regular) Boiler Central Heating System

Components

  • Boiler: Heats water for the central heating system.
  • Hot Water Cylinder: Stores hot water for domestic use.

Features

  • Suitable for properties with existing hot water storage solutions.
  • Offers flexibility in system design and controls.
  • Requires adequate space for both the boiler and hot water cylinder.

Key Considerations for Choosing the Right System

Property Size and Type

Larger properties with multiple bathrooms may benefit from conventional or system boilers, whereas smaller properties or apartments might be better suited for combi boilers.

Hot Water Demand

Properties with high hot water demand, such as large families, might prefer system or heat-only boilers, ensuring ample hot water storage.

Space Constraints

Properties with limited space may find combi boilers more suitable, given their compact design and on-demand hot water supply.

Energy Efficiency

Consider the energy efficiency ratings of different boiler types, aiming for systems that maximise energy savings and reduce environmental impact.

Installation and Maintenance Costs

Evaluate the installation and maintenance costs associated with each system, factoring in potential long-term savings from energy-efficient operation.

Additional Heating System Components and Controls

Thermostats

Control room temperatures and heating schedules.

Programmers

Schedule heating and hot water timings.

Radiators

Distribute heat throughout the property, available in various designs and sizes.

umps and Valves

Circulate hot water and regulate flow within the system.

Conclusion

Navigating the world of central heating systems can seem daunting, given the plethora of options and considerations. However, by understanding the distinct characteristics, components, and suitability of each system type, homeowners can confidently select a heating solution that aligns with their property’s requirements, lifestyle preferences, and budgetary constraints.

Whether opting for the traditional approach of a conventional system or embracing the compact efficiency of a combi boiler, the key lies in making informed decisions that prioritise comfort, efficiency, and sustainability in the UK’s ever-evolving heating landscape.

If you have any questions or are in need of further advice, just call a member of the EVO Plumbing and Heating team who will be happy to help.

Freephone 0800 920 2030

Alternatively you can enquire online and we will get back to you shortly.

What our customers say

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Cleaning central heating system/radiators

2024-09-01

Turned up on time and worked quietly and unobtrusively, keeping us informed of progress and quality. Demonstrated system cleanliness before tidying up and departing. Very professional.

Replace cast iron column radiators

2024-08-01

Provided a good value estimate for the work. Cost a little extra due to other parts required upon fitting. Emptied and refilled system and ensured everything was working. Worked efficiently throughout the day. Tidied up afterwards. Removed all waste including old radiators.

Full heating system conversion

2024-08-01

We went with EVO plumbing and heating through a personal recommendation and we are delighted with every aspect of work that has been completed. All staff were polite, friendly and professional throughout, and the standard of work and attention to detail was exemplary. We have already scheduled further works for Steve & Co at a later date and I would not hesitate to wholeheartedly recommend to family and friends.

Drain systems, alter pipework to toilet. New taps & radiator valves.

2024-08-01

Thank you Aaron - your hard work was amazing and all done on hottest day of the year! More than happy and have no hesitation in recommending you - which we have done already. Many thanks from Ellie & Phil

boiler service and heating check

2024-08-01

Great reliable service. Did the job very thoroughly, gave great advice and was very aimiable

Replace valves on radiators

2024-07-01

Same day response to initial enquiry. Plumber available next day to view job required. Available on date required, which was short notice, to drain heating system to replace radiator valves with TRV's to be fitted by 3rd party. Very accommodating to request. Also fixed problem with kitchen tap.

Fix Leaking radiator connection

2024-07-01

Super response and quality work. I phoned very late in the evening and had a heating engineer at my house in under an hour fixing the problem and saving our carpet! He even helped clear the mess the leak had caused. Thanks Guys.

Sorted a lifelong heating issue

2024-06-01

We’ve had about 3 different plumbers/heating specialists come out to sort our issue with no avail. Cue, James from Evo. Came in, very polite and personable. Identified the issue and sorted this 10year heating fiasco. James was very attentive, extremely polite and personable giving us reassurance the entire time he was here. We were so impressed we’ve already booked him in again to do further work. 10/10 for these guys!