“I would strongly recommend the HWAM stove. I have had woodburners for about 40 years in different places, styles. This is outstandingly the best, quick to light/re-light which means you dont have to keep it going when out. Looks good. Good heat, reasonable to control etc. All who see it lust after it. Sitting beside it seems to produce better outcome than an hour with the therapist – or so I am told.”
HWAM Ravel Wood Burning Stove Example
Testimonial from one of the many HWAM Ravel Wood Burning Stoves we have installed, this for a customer in London.
“Thanks very much for doing such a good job. All done and dusted, quite literally. From where I was standing it all seemed to go smoothly and James left the house spotless after running through things with me (he’s going to forward a manual and grate tool). I may be the only person who won’t mind a cold snap at the weekend so I get to test the stove out!” Tracy - Beaconsfield, Bucks.
We fitted a Pevex Bohemia X40 Cube Wood Burning Stove for Tracy in Beaconsfield, Bucks.
It might be the middle of June but with all the wind and rain outside, you wouldn’t know this is British Summer time. So to add some warmth to your life and your home take advantage of our current wood stove offer before the Summer ends, so you can be all toasty for when the colder weather sets in.
To qualify for this offer you need to have booked a free survey before 20th July 2012.
Please contact us quoting ref “Woodstoves400″ or call us to book your “site survey” and take advantage of this amazingly grate offer.
Nature's Warmth Site Inspection
NB This offer only applies when we have supplied the stove, all materials and installation service. £400 including VAT is the maximum discount, up to £400 your discount will be 10% off our normal supplied and installed prices. An offer appearing on our website may be withdrawn at any time, but booking a survey will secure the offer. Installations booked to take place during November and December will not benefit from this offer.
Generating domestic hot water/central heating from burning wood.
There are a few things that you should know about this technology before committing your time and money to such a project.
In all cases, wood burning boilers usually work on temperatures of between 60 to 85 degrees.
There are a few things we need to know if the boiler is going to be sized properly and a few different options:
Option 1 ) Free standing room heater with back boiler.
Information we need to specify wood burning boiler: heat loss for the rooms required to be heated, construction materials of the rooms, sizes of the room, is the heating system going to be vented or unvented, do you need it to do domestic hot water and if so for how many people?
What is a free standing appliance with a back boiler and what are the pros and cons:
Usually these are decorative appliances that have had a back boiler added to them, there are a few that have been designed as back boilers from the start. These types of appliances will give heat to the room they are in as well as the heating system. It is important to balance them properly, for example, if we need 10kW for the heating system and 5kW for the room and we put an incorrect stove in, one that has 10kW to water and 10kW to the room. The appliance technically produces more heat than is require, however, it will not work with that house because you will be turning the appliance down to 5kW (50% reduction) in the room because its too hot, and this will drop the output to water by 5kW (50% reduction) as well. Quite often when calculating these types of systems we find there is only one appliance on the market that will suit that situation. Most of these types of appliances work on vented systems and cannot be used on unvented system, there are only 3 appliances that I know of that work on unvented systems.
When installing this type of system we can only fit thermostatic valves to 50% of the radiators and there must be a heat leak radiator (one that’s always on) correctly sized to the appliance.
When heat is required you will need to be putting logs on this type of appliance once every 0.75 to 1.25 hours and those logs must have a moisture content of less than 20%. The efficiency of this type of appliance would be around 67% to 80%
Option 2) Wood burning batch fed boiler.
Information we need to specify wood burning boiler:Heat loss for the rooms required to be heated, construction materials of the rooms, sizes of the room, do you need it to do domestic hot water and if so for how many people? And how much space is available.
What is a wood burning batch fed boiler and what are the pros and cons:
This type of boiler is not decorative and is designed to go in a utility room or its own boiler room. They can only be fitted on to unvented systems or onto existing heating systems through a flat plate heat exchanger. These boilers give little or no heat to the room they are in. They will require an accumulator tank (large body of water) to function. The appliance is designed to be filled and lit once per day it will then burn all its wood and dump all the heat produced into the accumulator you then take the heat as you need it for the property. The appliance and accumulator must be sized correctly to the heat loss calculation, if it is undersized you will need to fire the appliance more than once per day and that will decrease the life of that appliance as well as increase your work load. Usually the biggest issue with these systems is the amount of space required (min 2.7m by 2.5m).
These appliances are completely controllable and work just like a modern system for the house holder(apart from filling them once per day).
They will run at an efficiency of over 90%
This is just a brief over view of what is available, there other things to be aware of (they all require chimneys for instance) but if you have some plans you can send us we will be able to advise you better and do heat loss calculations, etc.from them.
Please contact us with any questions on wood burning boilers.
To get into the spirit of the Grand Designs show we are offering £300 off any New Wood burning stove with installation.
To qualify for this offer you need to have booked a free survey before the end of the Grand Designs Show (13th May 2012).
Please contact us quoting ref “Woodstoves300″ or call us to book your “site survey” and take advantage of this amazing offer.
Nature's Warmth Site Inspection
NB This offer only applies when we have supplied the stove, all materials and installation service. An offer appearing on our website may be withdrawn at any time, but booking a survey will secure the offer. Installations booked to take place during November and December will not benefit from this offer.
We are exhibiting at Grand Designs in May stand number L84a
5 -13 MAY EXCEL LONDON
We are London’s leading woodstove supplier and installer. We have been responsible for getting a huge selection of stoves passed for DEFRA approval for wood burning in London. We also understand the challenges encountered when installing stoves in London properties. We are confronted by obstacles such as tall buildings and small fireplaces on a daily basis and issues such as parking constraints and journey times are all things that we have learnt to manage over the years.
For the manufacturers we represent. we were the first official woodstove retailer to be allowed to operate without a show room, as we do not act irresponsibly by selling on a supply only basis; we offer a full installation service with every stove we sell. In fact it can be easier to get to see stoves with us as we have a huge network of existing customers who are delighted to show off their stoves in their own homes. We have reward schemes to thank customers for helping in this way and we have such confidence in our work that you get to choose from a list of postcodes who you would like us to contact.
We have installed in every type of property imaginable, including top floor flats over looking Westminster Cathedral, Islington basement kitchens, pubs, offices, boats and garden rooms – no challenge is too great!
Biomass boilers are a great alternative to fossil fuels (coal, oil and LPG gas) and there is significant funding to install Biomass boilers. if you are looking for an eco friendly heating solution Biomass could for you.
As well as wood burning stoves on show at our stand we will have a Biomass boiler and the team on hand for any questions.
Unfortunately the servicing of wood burning and other biomass appliances is not taken seriously enough in the UK, unlike in France and Germany where it is law, here we can only advise that stoves and biomass boilers are serviced at least annually.
Existing customers – introduce us to a friend who goes on to have a stove installed by us, and we will give you a discount of 50% the next time you have your stove serviced.
Burning wood and other biomass fuels such as pellets and wood chip, is potentially hazardous. These hazards include the obvious such as carbon monoxide poisoning and fire risks, and the less obvious such as the formation of waste products like ash and soot.
From October 2010 it has been part of building regulations in Document J that either a hard wired or 6 year battery life carbon monoxide detector is fitted with every installed solid fuel appliance. This safety feature will obviously only be of use if there’s a problem, and such a problem should never be allowed to develop in the first place. But there are thousands of stoves fitted before the regulation change that won’t have had a detector fitted and many more that will not have been properly maintained. Even if the appliance was fitted after October 2010 there is no guarantee that it has been done by an HETAS registered fitter and so there’s no guarantee that a carbon monoxide detector has been fitted.
The most devastating thing that can happen when burning solid fuel is for the flue to become completely blocked and even a partial blockage can be fatal. If flue gases can’t evacuate through the flue the only other route they have is into the room. If the fire is only just starting there will be plenty of smoke which will give ample warning that something is wrong, but in a hot established fire there may be no warning signs, and flue gases can enter the room and kill the occupants extremely quickly.
Another hazard often over looked is the waste from solid fuel combustion, the main waste products being ash. Ash is an irritant being an alkaline with a PH of 9 – 13. To put this in context bleach has a PH of 12.6. The heavier ash left at the bed of the fire, or in the ash pan after combustion, has the same hazardous composition as the fly ash. .
The smoke produced by burning biomass fuels also has associated risks. The smoke is made up from Particulate Matter (PM), Carbon Monoxide (CO), Polycyclic Aromatic Hydrocarbons (PAH), Dioxins and Volatile Organic Compounds (VOC)
As the smoke moves through the appliance and flue some of this is left behind, mainly in the form of Particulate Matter or Soot. This soot picks up some of the other elements as it mingles in the baffles and the flue, and when breathed in or touched our lungs and skin are exposed to these chemicals. Each of these has various effects such as soot causing or exacerbating asthma. Soot is also linked to various cardiovascular diseases. Polycyclic Aromatic Hydrocarbons are carcinogens which have links to respiratory tract and upper digestive tract problems. Dioxins form carcinogens linked to reproductive, hormonal, respiratory and cardiovascular problems. And Volatile Organic Compounds contain various natural chemicals that are toxic and carcinogenic.
Regular Stove Servicing
If the stove is not maintained regularly, excessive amounts of ash and soot can build up within the appliance and flue. These can not only cause damage to humans but can damage appliances, they can cause mechanical operations to seize or fire bricks to break. To ensure that this risk is minimized regular servicing should include the full strip down of the appliance so that all of this soot and fly ash can be removed before it is allowed to build up excessively. An excessive build up of soot and fly ash can also contribute to flue blockages and chimney fires.
Not maintaining your stove and flue can also hurt your pocket as warrantees may not be honoured unless regular servicing is carried out and recorded. Also they can reduce the efficiency of heat exchange in a boiler stove meaning you will burn more fuel than in a clean appliance.
Nature’s Warmth and Nature’s Power Biomass offer comprehensive servicing and probably have the most thorough and exacting standards of any company around. They are also able to offer service and maintenance contracts for domestic and commercial installations.
Article by James Wilsdon Senior Biomass Engineer at Nature’s Power Ltd
Contact us to find and more and arrange your stove service.
We have invested heavily to meet the challenges of the immergence of biomass heating in the UK. Our engineers and technicians are industry leaders and have the fullest understanding of how biomass can best be used to effectively heat UK properties while helping to reduce their carbon footprint.
Biomass is non fossil biological material that is derived from living or recently living organisms. In heating terms it normally refers to plant matter such as logs, wood pellets, wood chip and cereal. The fuel is usually burnt to provide hot water for central heating systems, but it can also produce steam and hot air for commercial applications. It is carbon neutral and sustainable and government support is available for encouraging its use. Unlike other ecological heat and power generation systems it does not rely on external factors such as sunshine or wind, so it is a reliable effective form of heating.
We have come across many badly designed and installed biomass systems. Unscrupulous operators are already jumping on the bandwagon of a resurgent technology. Some of these operators do not have the essential understanding of solid fuel combustion and flue design.
We have over thirty years of experience in this field and are passionate about ensuring that the reputation of biomass is protected by good practice. We have a thorough understanding of biomass and know that it can make a real contribution to fuel security and carbon reduction here in the UK just like it already does in countries such as Germany, Austria and Italy where it is a mature technology.
We install Biomass Boilers in both domestic and commercial properties…
In a Middlesex conservatory we installed a Nestor Martin Harmony wood stove.
“Nature’s Warmth service (wood stove installation) was a breath of fresh air. Our installation was complicated by the fact that the flue needed to pass through the roof of a newly built conservatory. I could foresee extended discussions and debates between stove and conservatory contractor on how and who is responsible for achieving that critical ‘weather tight roof seal’. However, from the initial contact and prompt site visit, through to the final installation works, Nature’s Warmth personnel were entirely accommodating and very professional. My initial concerns evaporated as their personnel swiftly reached an acceptable agreement and successfully completed our installation. We could not be happier with the result and are enjoying the benefits of our new stove immensely. Thank you Nature’s Warmth.”
“I just wanted to tell you how brilliant your service has been. The boys that turned up yesterday (James and Justin?) were efficient and courteous and there has been a general air of efficiency about the whole process from initial survey to final installation. So thanks to you and your colleagues for that.
We are lighting up the stove today, so we are very excited.
Thanks again and I’m sure we are going to make good use of the stove this winter.”
The Rika Como is not only sleek in its styling, but also sleek in its operation, The Como encapsulates the next generation of pellet stoves from Rika, with its silent pellet feed system and a multitude of control options.
Cover options: A choice of steel, stone or ceramic colours.
The strong emphasis on a contemporary setting with its stylish soapstone surround hides the power of this stove. Incorporating a 47Kg pellet hopper, its a place where form has met function. The Topo utilies the next generation of quiet pellet feed systems, and a multitude of control options. A beautiful wood pellet stove thats easy to live with.
The self lighting and self loading Memo gives you total control, so must so you can telephone to switch the stove on and arrive back to warm house, this together with its stylish modern looks makes it a great stove for todays busy lifestyles.
Colour options: choice of either aluminium or ceramic sides.
The Morso 04 is our best selling stove with a design that will fit with any type of decoration and a steel and cast iron construction it mixes ease of use with modern technologies to give you the best long period and short period burn times at a reasonable price.
The Serenity 40 (4.5kW) is designed to be installed into a 16” x 22” opening with a depth of only 13.5” making it able to fit into most fireplaces and with its completely glass door will make a beautiful focal point for any room.
The Bohemia X40 Cube shares the same firebox with the rest of the X range but has been restyled with a larger window to give a better view of the fire. With sharp clean lines and an optional plinth this stove is ideal for a modern clean look with out breaking the bank.
The Bohemia X50 is one of our most popular stoves, it’s clean lines means it will fit almost anywhere and it’s steel construction makes it very well suited to anyone with a busy lifestyle and also keeps the purchase cost down.
This from a recent satisfied customer: “My experience with Nature’s Warmth has been 100% positive.They came by to assess the property for a wood stove, showed up on time, and were incredibly helpful in explaining the range of stoves that would suit our smoke-controlled area in London.
I am certain that the Franco Belge Savoy we chose was perfect; I love the large window, the secure closure mechanism, the efficiency and the clean lines of the product. (Anyone concerned with reports that the fire bricks in this stove crack should relax; the problem has been fixed and our fire bricks haven’t cracked in the slightest.)
Installation was executed quickly and professionally, and the workmen not only made almost no mess, but tidied up the modest residue that came down the chimney.
The stove has never malfunctioned, and has now made me strangely dolorous that spring has come and we don’t have an excuse for a fire. A wood stove turns winter into an active joy. As for Nature’s Warmth, when our carbon dioxide detector went off (it was either a bit too close to the stove or defective), the staff came right by and checked the stove carefully for any leaks (there weren’t any), replaced and moved the detector (which hasn’t gone off since)–the stove still being under warranty, at no charge.
I feel confident that this outfit knows their products (the staff use wood stoves themselves), employs skilful labour and continues to supply support for their products post-installation.”
The Rika Jazz is a log burning stove with real presence. It’s simple, timeless lines will enable it to fit into any room and be a feature for years to come. With soapstone sides and top to retain heat for longer and Rika’s patented air system this stove is a superb example of technology working at it’s best to make your life easier.
The Belfort is one of our most popular buys. For a small, inexpensive stove it performs impressively well and comes with a powerful airwash system for cleaner glass. It’s capable of burning wood or solid fuel.
As well as being available in cast iron the Belfort also comes in gloss enamel in the following colours: charcoal, majolica green, sapphire blue, dusky red & ivory. An enamel finish costs an extra £149.
Take a look at our Find a Woodstove table on the right to check if the dimensions suit your room.
The Squirrel 1412 is a Morso classic, updated and significantly improved, making it incredibly eco-friendly.
Morso has significantly improved the combustion system in the Squirrel 1412, fitting the firebox with a tertiary air chamber which supplies additional air for combustion directly above the flame.
This “extra air” ensures secondary combustion ie it ensures all gases given off by the flame burn to their utmost capacity. This cleanheat or cleanburn technique increases the efficiency of your stove, makes sure you’re getting the most out of every log you burn and significantly minimises carbon monoxide emissions.
The Squirrel is a perfect choice if you want to go green!
The Stanford 13 is the smallest of Nestor Martin’s Stanford range and is well-suited to heating smaller areas, or providing additional heat in a particularly large room.
As is characteristic of the entire Stanford range, the Stanford 13 has a patented air-control system making it one of the most efficient and clean burning stoves on the market. The quality of the casting is also impressive.
In addition to cast iron the stove is also available in a satin black enamel finish, for an extra £23o.
Nestor Martin stoves are supplied in the UK by Euroheat.
The Morsø 3410 Owl is equipped with a stateof-the-art tertiary combustion system. Designed with distinction and elegant simplicity, the 6 kW 3410 Owl with its soft lines and rounded edges is a beautiful combination of British design and Danish craftsmanship. The large single-door glass panel provides wonderful unobstructed closed-door fire viewing. Every Morsø 3410 Owl stove has a heavy-duty ash pan that makes ash removal easy without the need to manually shovel ashes out of the firebox.
Morsø 6140 is a minimalist stove in timeless design, with a large glass door that provides a splendid view of the dancing flames. Behind the glass, Morsø has developed a combustion technology that uses pre-heated air to ensure a higher temperature in the firebox, so that almost all the flue gases are burnt. This results in both more environmentally friendly combustion and better fuel economy. Morsø 6140 is a small convection stove that offers the perfect solution when heating needs are limited.
Morsø 3440 is a well-equipped cast-iron wood-burning stove featuring a sophisticated combustion system with tertiary air supply for optimum control of the combustion process. The well-balanced air supply ensures that all the fuel gases are burned, and this means that the wood-burning stoves meet even the most stringent environmental requirements. The stove comes equipped with riddling grate, and ashpan, making it easy to remove ash and clean the stove.
The Stanford SP multifuel range with warming plate has the option of a remote control device which enables you to turn your real fire up or down without getting up and to set the room temperature to your desired warmth. All of this is possible due to the latest combustion technology packed neatly inside each and every Stanford stove, achieved without spoiling its overall sleek, modern look.
Nestor Martin stoves are supplied in the UK by Euroheat.
Morsø 6148 stands like a sculpture on its pedestal. A stove with a timeless and minimalist design and a large glass door that provides an excellent view of the dancing flames. Behind the glass Morsø has developed a combustion technology that uses pre-heated air to ensure a higher temperature in the firebox, so that almost all the flue gases are burnt. This results in more environmentally-friendly combustion and better fuel economy.
The Vivaldi, with its clean lines and simple shape, is ideally suited for any contemporary setting. It has a patented automatic air system and curved doors for an unobstructed view of the flame. The Vivaldi is available in black or silver grey and for an extra £200 you can have a soapstone top. This enhances the design but is also of practical benefit. Soapstone is a natural stone which retains heat and radiates it long after the stove is gone out.
The Mozart is free-standing, although it can also be housed in a large fireplace. It has a three way airwash system for cleaner glass, and a practical ash tray. The Standard model has a drawer which hides the automatic air controls and the ashpan. The With Wood model exposes the air control system, while the lower section is left open, making it ideal for wood storage. Both models are available in black or silve grey and come with the option of a unique soapstone top.
The Harmony 23 is the most popular sized stove in the range and is well suited to heating medium sized areas and would make a great feature in any room Stoves from the Harmony and Stanford range are among the best on the market They have an excellent air wash system with up to date technology and are certified to burn wood in smoke control areas. The standard colour is Cast Black, which could more accurately be described as graphite as it is more grey than black. It is also avaliable in Satin.
Nestor Martin stoves are supplied in the UK by Euroheat.
The Stanford 23 is the most popular stove of the Stanford range. It is well suited for heating medium sized areas and would make a great feature in a traditional or more contemporary room. The Stanford range, together with its sister range, Harmony, are among the best stoves on the market with an excellent air wash system, up to date technology and good quality construction. The Stanford 23 is certified to burn wood in smoke control areas.
It’s also available in a satin black finish at an extra charge.
The Savoy is a multifuel stove that’s well suited to medium to large sized rooms. It has a strong airwash system for cleaner glass and offers an ample view of the fire, making it an ideal focal point. For an extra £135 you can choose from the following enamel colours: Charcoal, Sapphire Blue, Ivory or Dusky Red.
Introducing the latest stove from Franco Belge, the Savoy Mark II Multifuel stove is a new and improved model in this popular line of appliances. This Savoy MK 2 is a multifuel appliance which can be used with seasoned wood or solid smokeless fuels.
I would strongly recommend the HWAM stove. I have had woodburners for about 40 years in different places, styles. This is outstandingly the best, quick to light/re-light which means you dont have to keep it going when out.
Natures Warmth - Installing woodstoves in and around London
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