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I Delta Heating & Electrical Specialists
I Delta Heating and Electrical Specialists Limited is a fresh company whose founders have been involved in providing building services, electrical installations, air conditioning, ventilation, heating and plumbing for the domestic and commercial sector. The team have worked closely with architects, project managers and clients in designing and installing state of the art lighting and energy efficient heating and cooling solutions.

Having worked as sub contractors for a number of clients, a natural progression to form a company that would be recognised for its quality workmanship and value for money was established. Finding a reliable Plumbing and Heating Company in Hertfordshire can be tricky. A simple Google can bring up hundreds of results and it's difficult to know who is best for the job.
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Based in St Albans we can quickly and effectively reach you to help with your plumbing and heating needs wherever in Hertfordshire you are. We are just a call away on 01727 227 515 should you need help and are happy to answer any questions you have and arrange a good to time visit.
Having the right environment to live or work in is important to us all and with modern air conditioning systems offering not only the ability to cool your surroundings but also heat, they are often being used throughout the year whatever the season. Whether you need a new system, and help with its design and installation, or the maintenance and repair of existing systems the team at I Delta have the experience to help you.
We all rely so much on electricity whether in our homes or business. So, a fast response to any problems that arise or work that you need done is key. That's where we come in! At I Delta we offer a wide range of electrical services both for domestic and commercial clients. From re wiring work, refurbs and electrical inspections we can help you with great service and a fair price.
We are all aware of a need to use energy more efficiently and cleanly and this can be done in many ways. Our team can help by maintaining your existing systems, so they run efficiently and effectively, meaning they use less energy and even save you money. We always working behind the scenes to comply to the latest standards and understand and work with the best technology that the market offers.
Reviews (8)
Yiannis Kanakakis
Yiannis Kanakakis
Mar 05, 2021
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We used I Delta for the complete re-wiring and re-plumbing of a Victorian house we bought recently. They came highly recommended, and I can confirm their work is excellent. The installation was done properly and tied in with boiler warranties, they provided all certificates, all properly done. We had a couple of minor issues after the installation was complete and I Delta went the extra mile to sort out. Quotations were reasonable, even when we added/amended the original scope. We will be using them again for new kitchen installation, garden garage etc.
Mayo Joosten
Mayo Joosten
Dec 20, 2020
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I used this Company as they came highly reccomended by my neighbour. They uninstalled 2 of my very old radiators, and replaced both with the radiators of my choice.
I have nothing but praise for both Milroy and Tom, their customer service was fantastic.
When they took off the old radiators, I had some fixing up to do behind them, before the new ones went on. So at times they were having to wait for me to finish, before they could get on with doing their job. Never did they moan, even though they probably spent more time here than would have been the case otherwise.
In addition to that, both
Daisy Navickaite
Daisy Navickaite
Dec 11, 2020
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Positive: Professionalism, Quality, Value
I had new boiler and few new radiators installed by these guys. Their price was better than most competitors, and the job was done very well. My neighbour ended up using them as well, another happy customer.
Services: Install heating system, Repair heating system, Heating maintenance
Lisa Logan
Lisa Logan
Dec 02, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Absolutely swear by these guys. Wouldn't use anyone else. Most recently they replaced by home system for a combi boiler. I've also commissioned them for commercial work such as air conditioning. Can't afford to take chances when it comes to plumbing. IDelta are reliable and efficient.
Miguel Pardo Marin
Miguel Pardo Marin
Jun 05, 2020
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The end-to-end service from I Delta was brilliant, I couldn't recommend them strongly enough!
Quote was in line with others I received, but Milroy's approach provided me with the confidence I needed for this job (whole rewire of a 3 bedroom semi-detached house), so I went for them.
They were flexible throughout the whole process, checking with me almost every day in case I wanted to make any changes to the agreed configuration. They used high-quality materials and even upgraded the box when I requested a bigger one... Even though it was a huge job, they left the house pretty much like it was
Jeremy Curtis
Jeremy Curtis
Oct 31, 2019
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Milroy came round to quote quickly who is extremely knowledgeable and experienced, we agreed what was to be done and the job was completed professionally, in a sensible time frame with attention to details and neatly and with minimal mess and distribution at a competitive price.
i would highly recommend I Delta Heating and Electrical Specialists Limited without hesitation.
Andrew Hopkins
Andrew Hopkins
Jul 28, 2019
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We have used I Delta heating and electrical for number of jobs ranging from fire alarm systems to consumer board upgrades they have always carried out the task with to my satisfaction and I would definitely recommend this company.
Marc Williams
Marc Williams
May 10, 2019
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I used i delta to for my 7 studio complex build and all is ship shape working great!I had all lights, power-points, aircon and fresh air installed and was thoroughly please and impressed with the efficiency and detail of the service provided!
Would recommend for sure!!!