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New model ATAG combi, runaway installer and Evohome zoning using OpenTherm

We’ve been installing commercial sized ATAG boilers for some time, in fact, you will find some others on this blog. ATAG have recently relaunched their domestic offering in the UK, and now offer 10 year warranties and 24hr technician support.   ATAG are a premium brand boiler manufacturer from the Netherlands, although a stake is now owned by Ariston MTS Group. Our customer had selected an ATAG IC Economiser 39, which is a combi boiler augmented with ‘designed at birth’ flue gas heat recovery (rather than tacked on afterwards like most other manufacturers), and reputed to be the most efficient boiler […]


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Worcester-Bosch 1 Keston 0

For this case study, we find ourselves in Oxted, Surrey.  We like Oxted, because it is a lovely, virtually unspoilt town (if you exclude Morrisons) full of coffee shops and yummy mummies.  I suppose it is similar to Sevenoaks with all the good bits squeezed into a smaller area.  It is also very close to Hot Water & Central Heating Ltd HQ, so we get a lot of projects there. A larger house, this had a Keston C55 boiler and a significant number of radiators.  The Keston boiler had been unreliable (no surprises there) so we suggested a Worcester-Bosch alternative. […]


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A new Worcester Danesmoor, MultiCalor Warm Air, Radiators, Water pressure boosting…..

Today we are in a rural property in the Edenbridge/Tonbridge area of Kent. Our customer has recently moved back to the UK from working abroad.  He has bought a detached house in the middle of the Kent countryside. The subject of an extensive makeover in the last 20 years, this property had a Lennox oil fired warm air unit in the cellar, a Worcester standard efficiency boiler in the external cupboard, and a conventional hot water system. The warm air system was around 20 years old, and covered the two reception rooms , kitchen and hall areas. It was very […]


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William Pitt the Younger’s house

The focus of our case study is a listed building in Westerham, Kent, which was once the residence of William Pitt the younger. Westerham is a small town steeped in history, and features Chartwell, home of Winston Churchill, Downe House, home to Charles Darwin, and Squerryes Court.  Chevening, the deputy prime minister’s estate, is just down the road. Featuring timbers that are believed to date back to the 13th century, in more recent times William Pitts’ former house has been an upmarket restaurant, and an Indian fine dining eaterie. The present owners purchased the property in a state of dilapidation, […]


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Anne of Cleves’ house gets an upgrade

Readers of this blog will know that we regularly get commissions from owners of listed properties for their heating upgrades. Today, we are in a Grade 1 listed country house in Ditchling, Sussex, UK, dating back to the 16th century, or possibly earlier. Henry VIII was believed to have bought this house for Anne of Cleves;  later residents included William Pitt*. *William Pitt will also appear as a case study for our professional services shortly! In more recent times the house was owned by a radio and TV personality;  our customer has recently moved in and we were engaged to provide […]


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Keston boiler in cellar removed, heat store in basement, accumulator, Evohome….

This is a house in a fashionable area of SE London.  Like may Victorian houses, it’s a lot bigger on the inside than first appears from the outside. A big driveway in London is always a bonus. We were asked to provide a quotation to replace a typically troublesome Keston C55 boiler (55Kw) in the basement.  Our customer had experienced numerous breakdowns ever since it was installed in 2004, in fact, I recall them saying that it had never survived a winter without a repair visit. If you have a large Keston, you probably know the story only too well. […]


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Complex house heating system of the future (in 1998) gets updated

For this case study, we are in Ealing, West London. Our customer rang us to say he had inadvertently bought a large house with a woefully complex heating system around 8 years ago.  The first time he viewed the house, it was perfect – but they never went into the garage.  On the second visit, he popped his head into the garage area, and found it completely full of commercial plant, and a ambient temperature of over 30C. Since then, many a central heating specialist has escaped having seen the garage;  apparently they are brimming with confidence until the door […]


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Listed building with warm air heating, new iron rads and Evohome zoning

Our customer in South London owned a Grade II listed building.  It had been extended over the years but still retained many original features. Interestingly from a heating perspective, it had warm air on the ground floor, and no heating on the 1st and 2nd floors, just a couple of towel rails.  The warm air was provided by a downflow Lennox open flue unit, and the hot water and towel rails by an Ideal Classic wall hung boiler.   A domestic gas meter fed the building, so to limit costs and upheaval it was important that we ended up with […]


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Norwood Surgery

Today we are in the Auckland Surgery, Norwood, London.  It is a busy doctors practice serving the local community and is always buzzing with patients. Our GP customers had a maintenance contract with one of the major gas companies (with a ‘British’ in their name) and over the years they had become a bit disillusioned with the conflicting advice and multiple warning notices their engineering staff had given.  Most involved ventilation, and a considerable amount of time and effort had been expended by our client in meeting the ever more dramatic requests. As a result, the Potterton Kingfisher II boiler […]


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Relocating all the equipment in the cellar

Our customer, near Woolwich, in South East London, has a charming Victorian house in a quiet residential street. There is a substantial cellar that has recently been lowered and made more usable.  Our brief was to find a way of moving all boiler and hot water cylinder equipment into the basement, to enable the upper floor to be remodelled, the kitchen enlarged and also a possible loft extension to take place. Ideally, the boiler would be fitted in the basement, together with a new mains pressure unvented cylinder. This presented us with a set of problems, mainly in terms of […]


Customer Testimonials

Excellent Work

Excellent work , the workers were very efficient, considerate and tidy. They worked with the least disruption possible for an elderly lady. Any unexpected problem was dealt with safely and professionally. The finished heating is to a high standard. K.T. Kent

Jennie 05/05/2017