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Steve and Daniel were quick and efficient came out at short notice found and fixed the fault within the hour Definitely recommend Will be using them again Debbie and lee

Debbie

Job booked in quickly and carried out professionally for a fair price. Would recommend.

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Quick response to messages and good communication. The job didn’t quite go to plan but Curtis has the patience of a saint! Coming back soon to do another job. Top guy!! Would definitely recommend!

Jeanette

Looking to install or replace an immersion heater? Rated People connects you with trusted professionals skilled in installing and maintaining hot water immersion heaters and electric hot water tanks. Whether you’re upgrading your system or need help with repairs, find experienced local experts to handle the job. Post your job for free and receive up to three quotes today.

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 Immersion heater experts

What is an immersion heater?

An immersion heater is an electric heating element placed inside a hot water tank to heat water directly. It works independently of your central heating system, making it a versatile option for heating water. Immersion heaters can act as the primary source of hot water or serve as a backup to a boiler. They are particularly useful in homes without gas connections or as a supplementary water heating solution.

Advantages and disadvantages of an immersion heater

Advantages:

  • Independent Operation: Immersion heaters don’t rely on a central heating system, providing hot water even if your boiler fails.
  • Energy Source Flexibility: Suitable for homes without gas connections or for using renewable electricity sources.
  • Backup Heating: Many households use immersion heaters as a backup option for their main hot water system.

Disadvantages:

  • Higher Running Costs: Heating water with electricity is often more expensive than gas-powered systems.
  • Time-Consuming: Heating a full tank of water can take longer than instant water heaters.
  • Manual Operation: Unless connected to a timer, immersion heaters must be turned on and off manually to avoid wasting energy.

Immersion heater cost

The cost of installing or replacing an immersion heater depends on the type of heater and whether a new hot water tank is required:

  • Immersion Heater Replacement: Replacing an existing immersion heater typically costs between £150 and £300, including parts and labor.
  • Hot Water Tank Installation: Installing a new electric hot water tank with an immersion heater can cost £500 to £1,000, depending on the tank size and complexity of the installation.
  • Running Costs: Operating a hot water immersion heater costs around £0.20 to £0.35 per kilowatt-hour, depending on electricity rates. Using a timer to heat water during off-peak hours can help reduce costs.

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Other immersion heater and hot water tank FAQs

Can I change an immersion heater myself?

While it’s possible for someone with plumbing knowledge, it’s recommended to hire a professional to ensure safe installation and compliance with regulations.

How long does it take to heat water with an immersion heater?

Heating a full tank typically takes 1 to 2 hours, depending on the tank size and the heater’s wattage.

Do immersion heaters work with solar panels?

Yes, immersion heaters can be connected to solar PV systems to use excess electricity for water heating, making them more energy-efficient.

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Rated People helps immersion heater specialists connect with homeowners looking for expert installation and maintenance services. Whether you install hot water tanks, replace immersion heaters, or offer repairs, sign up today to receive high-quality leads in your area.

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www.kbaconstruction.online MAKE YOUR HOUSE INTO A HOME TODAY WITH KBA CONSTRUCTION'S We are a building company with many years combined experience. working as Builder in London (UK), we help to make your house a home or property investment you can rely on.

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Reviewed by Mannie on 27/9/2025

A Gas Safe registered company based in Baberton Mains,Edinburgh and with 30 years experience in the trade,this is a company you can rely on.My aim is for you to be so happy with my service that you would recommend me to your friends and family.

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Reviewed by Mairi on 5/9/2025

Stevie got in touch quickly, and was able to fit me in to fix the leaks asap. Competitive price and very friendly, would highly recommend and hire again.

Electrician at Self employed electrical engineer

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Reviewed by Vicky on 25/8/2024

Came out short notice. Managed to squeeze me in. Due to short notice of getting room plastered 3 days later. Had 4 double plugs put in. In chrome like I wanted. They were professional and cleaned up after themselves. Will definitely use again

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Hom.Heating

Water Tanks and Immersion Heater

I am a L3 fully qualified Gas Safe Heating and Air-con Engineers by City & Guilds and on an approved scheme of Gas Safe, Water Safe. Our small family plumbing business is based on honesty, excellent customer care, good communication and always following the code of good practice in plumbing and heating within the industry. * Central Heating design * Central Heating Power Flush(hot chemical and magnetic power flush ) * Boiler breakdown repair * Legionella management * Water and gas leak detection * Landlord certificate * General Plumbing design * General Plumbing installation and repair includes drainage problems * Bathroom Installation * Air-Conditioning system * Underground leak detection and pipe repairs *Gas appliance installation (hob, boiler) *Vented and unvented system installation and maintenance

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Reviewed by Robert on 21/7/2025

Good price and great service

Hi, Thanks for visiting R Renforth Plumbing and Heating rated people profile page. We have combined domestic and commercial plumbing in the North East of over 45 years. From leaking taps and even commercial works, we have it all covered. We have hundreds of happy customers and all of our work is completed to the highest standards in the industry. We are also moving into the renewable energy industry and carrying out service and installation on air source and ground source heat pumps. Thanks for visiting our page and call us anytime if you need us for any of the above works. Thanks R Renforth

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Reviewed by linda on 19/1/2024

Would happily use this company again, it wasn’t a big job but but they were happy to do it in a timeframe that suited me. They arrived on time were friendly and polite

Family run Building company, established since 2002. We specialise in new, full builds, extensions and renovations, self build projects, kitchen and bathroom renovations, loft conversions. We undertake all building requirement’s.

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Reviewed by Tim on 3/4/2015

Very efficient and friendly service. Highly recommended and will definitely use again. Thank you.

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Plumb GP

Water Tanks and Immersion Heater

We provide 24 hour service within London and outside London. For all your plumbing issues, drainage and heating services you can count on us. We endeavour to make all our customers happy no matter what time of the day and location. Thank you.

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Reviewed by Melanie on 25/8/2025

Swift, knowledgeable, friendly and professional. I would definitely use hit again.

I have been a plumber for 17 years I did an apprenticeship in plumbing and gas at 16 years old once I qualified i joined a company that did refurbishments and extensions in charge of a team that did the full internal of the jobs where I learned my other trades: We are specialist bathroom fitter for all wall hung systems and concealed specialist units. We tile as it is part of the bathroom and kitchen work. We can fit all underfloor heating systems. We can do all aspects of carpentry from floors to roofs. We fit kitchens from simple to bespoke. If its inside your home we can sort it and to the highest standard.

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Reviewed by Linda on 5/12/2024

Based in Brighton & Hove, Accomplished plumbing & bathrooms not only do we offer top quality craftsmanship with all the professions local that come together to construct your bathroom project tailored to your wants, needs and desires. It is also our passion to design, create & make your bathroom project come alive. We want to deliver a stress free installation from start to finish, making it as fulfilling as possible. We want to clearly understand your requirements so we can tailor your unique bathroom project to exactly how you want it, giving you that piece of mind. we do everything from: - Bathroom Installations & Design - All Aspects of Domestic Plumbing - Heating Installations - Hot & Cold Pipe Work Installations - G3 Certified, Unvented Installations. - Call Outs - Free Estimates - Top Craftmanship One thing we do pride ourselves on is not taking too much work on that we have to let clients down! - Professional - Honest - Reliable

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Reviewed by Peter on 12/8/2023

Could not have been better

We are a small Glasgow based company, with a fast, friendly and cost effective service. Customer service and satisfaction is our top priority as you can see from our reviews. Looking forward to serving you!

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Reviewed by Patricia on 16/10/2025

Providers of expert plumbing and heating solutions within the Middlesex, Buckinghamshire, Berkshire and Hertfordshire areas. Whether it is Central Heating, Servicing, Repairs, Installation, or Emergency Call-Outs. We have you covered! With over 25 years of experience within our industry, we continuously strive to deliver high-quality workmanship and excellent service to all our customers and for this have been awarded 5/5 stars by our customers. Specialising in plumbing and heating, we carry out a variety of installations to your desired specifications and requirements. Our services range all the way from fixing those annoying dripping taps to new bathrooms, kitchens, and full plumbing /heating installations for new builds and renovations! Don’t delay, give us a call or pop over a message today and we’ll only be too happy to arrange a quote and an inspection.

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Reviewed by Ike on 11/9/2025

Dean was very professional and did complete the job as requested. They were polite, neat, precise with the explanations and generally conducted themselves very well. The boiler was tested after power flush and handover was seamless. I would definitely recommend.

Here at Prestige building contractors we cater for an array of different services from waste removal to full renovations and extensions or even maintenance for your existing property. Please don’t hesitate to contact us for a free friendly quotation or any assistance.

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Reviewed by Clare on 11/4/2025
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IMAAPLUMBING

Water Tanks and Immersion Heater

From taps to central heating, no job is too big or small. A fully qualified plumber with over a decade of experience in plumbing, heating, and total building solutions. Certified with a C&G 6129 in General Plumbing since 2010, I pride myself on delivering fast, reliable, and friendly service you can trust.

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Reviewed by Samit on 19/2/2025

Did the work quickly and efficiently.

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HeaterUp

Water Tanks and Immersion Heater

As your local trusted boiler, plumbing, and heating experts in Swansea and South Wales, we offer a wide range of services tailored to elevate your home comfort. Boiler upgrades, system replacements, repairs and comprehensive plumbing services. Gas, Oil and LPG installations Boiler Installations Boiler Servicing Boiler Upgrades Boiler Replacements Boiler Repairs System Powerflushing Plumbing Installations Leak Detection and Repair Pipe Repairs and Replacements Bathroom Plumbing Installations Kitchen Plumbing Installations Water Heater Installations and Repairs Underfloor Heating Installations Thermostat Installations and Repairs Heating System Design and Installation

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Reviewed by Ella on 27/2/2025

Business established since 2008

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Reviewed by William on 19/11/2024

A great company to deal with, prompt, reliable and very professional. We live in an old Victorian house with hardly a straight angle anywhere. So Anunas had a tricky job to do. The job was done perfectly and to agreed cost. I would recommend this builder to you. If I could could give give 6 stars I would. Great job well done.

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Hydroplumb

Water Tanks and Immersion Heater

heating engineer with 30 years of experience

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Reviewed by Ashley on 15/4/2025

Dean came quickly to see the issue and fixed it there and then. Great service and good chat

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Catalin Timaru

Water Tanks and Immersion Heater

Hi We are experienced builders, residential and commercial building and maintenance services Have been in business for around 15 years We offer quality services at reasonable prices

50 years plumbing and heating experience, all associated works catered for. 25 years gas board service and own business for a further 25 years.

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Reviewed by Wesley on 21/3/2025
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GC Building Ltd

Water Tanks and Immersion Heater

CG Building LTD , it is a small company , established back in 2016. We carry work all around UK , but now we are based in Somerset and we cover all surrounding areas. •We take small & big jobs ! •We do all aspects building •We offer a friendly and reliable service, working closely with the client to make sure they have a clear understanding of the works that are being carried out throughout the process.  -Renovations- - Kitchen and bathroom insulations- Plastering. - Painting and decorating. - Carpentry-

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Reviewed by Rickie on 15/3/2023

Very professional. I would definitely recommend this trades person. Good pricing and great work. I am keeping his contract for work in the future.

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