2020-9-7 · Storage Electric Boilers These boilers will either have a different high temp water cylinder, or an implicit stockpiling unit. The benefit of these frameworks over direct acting boilers is that any warmed water can be put away to be utilized later, and the client can thusly exploit 'time of utilization duties' similar to economy 7.
2020-9-7 · Storage Electric Boilers These boilers will either have a different high temp water cylinder, or an implicit stockpiling unit. The benefit of these frameworks over direct acting boilers is that any warmed water can be put away to be utilized later, and the client can thusly exploit 'time of utilization duties' similar to economy 7.
2020-9-29 · Storage heaters utlise modest power around storing so as to even time heat in blocks. This warmth can then be utilized amid the day, when costs are higher to warm a room. Dry core boilers will store heat in blocks similarly, yet the warmth is discharged as required into water, which can then be utilized for focal warming or high temp water.
2020-9-29 · Storage heaters utlise modest power around storing so as to even time heat in blocks. This warmth can then be utilized amid the day, when costs are higher to warm a room. Dry core boilers will store heat in blocks similarly, yet the warmth is discharged as required into water, which can then be utilized for focal warming or high temp water.
2018-7-13 · ELECTRIC STEAM BOILERS PRECISION BOILERS HWS ELECTRIC HOT WATER STORAGE HEATER STORAGE HEATER BENEFITS STORAGE HEATER ENGINEERING FEATURES Handles the wide variations of hot water needs by incorporating both a storage section and a recovery section in the same heater - recovery from 600 to 6000 gallons per hour - storage from 80 to 9000
2018-7-13 · ELECTRIC STEAM BOILERS PRECISION BOILERS HWS ELECTRIC HOT WATER STORAGE HEATER STORAGE HEATER BENEFITS STORAGE HEATER ENGINEERING FEATURES Handles the wide variations of hot water needs by incorporating both a storage section and a recovery section in the same heater - recovery from 600 to 6000 gallons per hour - storage from 80 to 9000
2016-12-15 · Pumped hydro storage (PHS) and electric boilers (EBs) are two of the strongest technological options under discussion in China to address this challenge, but rigorous quantitative analyses of their effectiveness rooted in actual system data are lacking. An improved unit-commitment based power system chronological simulation is applied to
2016-12-15 · Pumped hydro storage (PHS) and electric boilers (EBs) are two of the strongest technological options under discussion in China to address this challenge, but rigorous quantitative analyses of their effectiveness rooted in actual system data are lacking. An improved unit-commitment based power system chronological simulation is applied to
2020-10-7 · Storage electric boiler: These boilers have hot water tanks, either built into the unit itself or separate. Since they can store hot water, you can heat water during the night when electricity rates are cheaper. This kind of boiler takes up more space and is more expensive than simpler models.
2020-10-7 · Storage electric boiler: These boilers have hot water tanks, either built into the unit itself or separate. Since they can store hot water, you can heat water during the night when electricity rates are cheaper. This kind of boiler takes up more space and is more expensive than simpler models.
Storage. A storage electric boiler includes a hot water tank either within the unit or separately. This enables you to heat water overnight, when energy costs are lower, and store it for use the next day. They are more expensive than direct acting boilers and the tank will take up more space in your home
Storage. A storage electric boiler includes a hot water tank either within the unit or separately. This enables you to heat water overnight, when energy costs are lower, and store it for use the next day. They are more expensive than direct acting boilers and the tank will take up more space in your home
2020-9-29 · Storage heaters utlise modest power around storing so as to even time heat in blocks. This warmth can then be utilized amid the day, when costs are higher to warm a room. Dry core boilers will store heat in blocks similarly, yet the warmth is discharged as required into water, which can then be utilized for focal warming or high temp water.
2020-9-29 · Storage heaters utlise modest power around storing so as to even time heat in blocks. This warmth can then be utilized amid the day, when costs are higher to warm a room. Dry core boilers will store heat in blocks similarly, yet the warmth is discharged as required into water, which can then be utilized for focal warming or high temp water.
2020-8-10 · Electric Boilers Hot Water and Steam Heating. Vertical or Horizontal. CEMLINE CORPORATION. P.O. BOX 55 CHESWICK, PENNSYLVANIA 15024.
2020-8-10 · Electric Boilers Hot Water and Steam Heating. Vertical or Horizontal. CEMLINE CORPORATION. P.O. BOX 55 CHESWICK, PENNSYLVANIA 15024.
2020-9-7 · Storage Electric Boilers These boilers will either have a different high temp water cylinder, or an implicit stockpiling unit. The benefit of these frameworks over direct acting boilers is that any warmed water can be put away to be utilized later, and the client can thusly exploit 'time of utilization duties' similar to economy 7.
2020-9-7 · Storage Electric Boilers These boilers will either have a different high temp water cylinder, or an implicit stockpiling unit. The benefit of these frameworks over direct acting boilers is that any warmed water can be put away to be utilized later, and the client can thusly exploit 'time of utilization duties' similar to economy 7.
2020-8-10 · Electric Boilers Hot Water and Steam Heating. Vertical or Horizontal. CEMLINE CORPORATION. P.O. BOX 55 CHESWICK, PENNSYLVANIA 15024.
2020-8-10 · Electric Boilers Hot Water and Steam Heating. Vertical or Horizontal. CEMLINE CORPORATION. P.O. BOX 55 CHESWICK, PENNSYLVANIA 15024.
Electric flow boilers; Another powerful performance. Not only does Electromax provide hot water for your wet central heating system, it has an integral hot water storage cylinder to deliver mains pressure hot water to your bath, shower or tap outlets. Electromax is compatible with standard radiators and thermostatic radiator valves and
Electric flow boilers; Another powerful performance. Not only does Electromax provide hot water for your wet central heating system, it has an integral hot water storage cylinder to deliver mains pressure hot water to your bath, shower or tap outlets. Electromax is compatible with standard radiators and thermostatic radiator valves and
2020-10-8 · Electric boilers for central heating, heat pumps, storage water heaters, heat exchangers, buffers, cylinders, solar collectors.
2020-10-8 · Electric boilers for central heating, heat pumps, storage water heaters, heat exchangers, buffers, cylinders, solar collectors.
Electro Electric Boilers are easy to install and provide the finest type of heating available without the worry of carbon monoxide, back-drafting, pilot lights, gas piping and venting associated with combustion boilers.
Electro Electric Boilers are easy to install and provide the finest type of heating available without the worry of carbon monoxide, back-drafting, pilot lights, gas piping and venting associated with combustion boilers.
2020-10-8 · Electric boilers offer an alternative to gas and oil boilers. Electric boilers are efficient and are ideal for applications where gas and oil supply is
2020-10-8 · Electric boilers offer an alternative to gas and oil boilers. Electric boilers are efficient and are ideal for applications where gas and oil supply is
2020-10-9 · Electric Combi Boilers Company, Green Acres, Oakley Green Road, Windsor, SL4 4QF. For more information: Contact our Windsor branch on 01628 636 099. Related products. EK.C 12kW Electric Combi Boiler for smaller properties
2020-10-9 · Electric Combi Boilers Company, Green Acres, Oakley Green Road, Windsor, SL4 4QF. For more information: Contact our Windsor branch on 01628 636 099. Related products. EK.C 12kW Electric Combi Boiler for smaller properties
2020-10-7 · Storage electric boiler: These boilers have hot water tanks, either built into the unit itself or separate. Since they can store hot water, you can heat water during the night when electricity rates are cheaper. This kind of boiler takes up more space and is more expensive than simpler models.
2020-10-7 · Storage electric boiler: These boilers have hot water tanks, either built into the unit itself or separate. Since they can store hot water, you can heat water during the night when electricity rates are cheaper. This kind of boiler takes up more space and is more expensive than simpler models.
Electric Central Heating Boilers. Electric boilers can be an ideal choice if you want a boiler that is good for running your central heating system as well as providing hot water. It is important to explore the options available to you when you opt for electric central heating boilers.
Electric Central Heating Boilers. Electric boilers can be an ideal choice if you want a boiler that is good for running your central heating system as well as providing hot water. It is important to explore the options available to you when you opt for electric central heating boilers.
Electric flow boilers; Another powerful performance. Not only does Electromax provide hot water for your wet central heating system, it has an integral hot water storage cylinder to deliver mains pressure hot water to your bath, shower or tap outlets. Electromax is compatible with standard radiators and thermostatic radiator valves and
Electric flow boilers; Another powerful performance. Not only does Electromax provide hot water for your wet central heating system, it has an integral hot water storage cylinder to deliver mains pressure hot water to your bath, shower or tap outlets. Electromax is compatible with standard radiators and thermostatic radiator valves and
Electric boilers are compatible with eco-friendly energy supplies such as solar panels. Solar energy from the panels can be used to heat water, via an immersion heater in a hot water storage tank. Get In Touch
Electric boilers are compatible with eco-friendly energy supplies such as solar panels. Solar energy from the panels can be used to heat water, via an immersion heater in a hot water storage tank. Get In Touch
Electric powered boilers are an ideal solution for properties which have restricted or no access to the mains gas supply. One main benefit of electric boilers is that they are energy efficient, no separate flue or chimney is required meaning that heat is not lost and they
Electric powered boilers are an ideal solution for properties which have restricted or no access to the mains gas supply. One main benefit of electric boilers is that they are energy efficient, no separate flue or chimney is required meaning that heat is not lost and they
MANUFACTURER OF ELECTRIC HEATING SOLUTIONS . Ecombi, Inertia radiators, storage heaters, electric boilers As a manufacturer of electric heating solutions, ELNUR GABARRON offers you top quality products to fulfil your needs for comfort with innovative, eco-friendly and adaptable solutions while saving in your energy consumption.
MANUFACTURER OF ELECTRIC HEATING SOLUTIONS . Ecombi, Inertia radiators, storage heaters, electric boilers As a manufacturer of electric heating solutions, ELNUR GABARRON offers you top quality products to fulfil your needs for comfort with innovative, eco-friendly and adaptable solutions while saving in your energy consumption.
2019-10-25 · Some parts of the world use electric panel heaters for all heating. Struck me that I have a good idea how much gas we use per year and that should make it possible to do some sums to see what the cost would be using direct electric heating. Say it worked out the same. Electric would be cheaper as panel heaters are efficient and boilers aren't.
2019-10-25 · Some parts of the world use electric panel heaters for all heating. Struck me that I have a good idea how much gas we use per year and that should make it possible to do some sums to see what the cost would be using direct electric heating. Say it worked out the same. Electric would be cheaper as panel heaters are efficient and boilers aren't.
2020-10-8 · Electric boilers offer an alternative to gas and oil boilers. Electric boilers are efficient and are ideal for applications where gas and oil supply is
2020-10-8 · Electric boilers offer an alternative to gas and oil boilers. Electric boilers are efficient and are ideal for applications where gas and oil supply is
ELECTRAflow is an integrated heating and hot water thermal store, powered by long life immersion elements and controlled by a purpose made easy to use controller. The unit provides primary hot water to heat standard "wet" radiators and also provide domestic hot water. ELECTRAflow provides the comfort and convenience of wet central heating and hot water for a wide range of properties.
ELECTRAflow is an integrated heating and hot water thermal store, powered by long life immersion elements and controlled by a purpose made easy to use controller. The unit provides primary hot water to heat standard "wet" radiators and also provide domestic hot water. ELECTRAflow provides the comfort and convenience of wet central heating and hot water for a wide range of properties.
Buy Electric Combi Boilers at Screwfix.com. Free returns. 60 days free credit available. 30 day money back guarantee. Free next day delivery available.
Buy Electric Combi Boilers at Screwfix.com. Free returns. 60 days free credit available. 30 day money back guarantee. Free next day delivery available.
In heat transfer systems (see Fig. 2), heat is supplied by CHP units and electric boilers equipped with heat storage tanks.The heat storage tanks can store surplus wind power by heating water during off-peak hours in order to replace a proportion of the CHP heat production, increasing their flexibility.
In heat transfer systems (see Fig. 2), heat is supplied by CHP units and electric boilers equipped with heat storage tanks.The heat storage tanks can store surplus wind power by heating water during off-peak hours in order to replace a proportion of the CHP heat production, increasing their flexibility.
2020-6-22 · Wholesale Solar Boilers, Storage Tank Water Heater, Boiler Manufacturer amp; Supplier Greece Europe Innovation and high standards of technology bring Assos Boilers at the top of consumer preferences all around the world. Solarnet S.A. was founded in 1998.
2020-6-22 · Wholesale Solar Boilers, Storage Tank Water Heater, Boiler Manufacturer amp; Supplier Greece Europe Innovation and high standards of technology bring Assos Boilers at the top of consumer preferences all around the world. Solarnet S.A. was founded in 1998.
2020-10-9 · Cemline Electric Boilers are provided with a A.S.M.E. pressure relief valve. The valve is sized to relieve the total BTU input of the heating elements. UL Listing. Cemline Electric Boilers meet testing and inspection requirements of Underwriters' Laboratories and are listed and labeled as required by Underwriters' Laboratories.
2020-10-9 · Cemline Electric Boilers are provided with a A.S.M.E. pressure relief valve. The valve is sized to relieve the total BTU input of the heating elements. UL Listing. Cemline Electric Boilers meet testing and inspection requirements of Underwriters' Laboratories and are listed and labeled as required by Underwriters' Laboratories.
Electric Central Heating Boilers. Electric boilers can be an ideal choice if you want a boiler that is good for running your central heating system as well as providing hot water. It is important to explore the options available to you when you opt for electric central heating boilers.
Electric Central Heating Boilers. Electric boilers can be an ideal choice if you want a boiler that is good for running your central heating system as well as providing hot water. It is important to explore the options available to you when you opt for electric central heating boilers.
Buy Electric Combi Boilers at Screwfix.com. Free returns. 60 days free credit available. 30 day money back guarantee. Free next day delivery available.
Buy Electric Combi Boilers at Screwfix.com. Free returns. 60 days free credit available. 30 day money back guarantee. Free next day delivery available.
With WarmFlo Technology, WarmFlo Electric Boilers have become the most universal electric boiler on the market. Applications that were difficult to zone, prevent temperature hi-limiting and variances in application temperature can now be solved using the WarmFlo Boiler. Now available in sizes ranging from 13.5 KW through 27 KW full size boilers.
With WarmFlo Technology, WarmFlo Electric Boilers have become the most universal electric boiler on the market. Applications that were difficult to zone, prevent temperature hi-limiting and variances in application temperature can now be solved using the WarmFlo Boiler. Now available in sizes ranging from 13.5 KW through 27 KW full size boilers.
China Electric Storage Boilers Supplier, Electric Storage Boilers Supplier from China Supplier - Find Variety Electric Storage Boilers Supplier from power boiler,lpg storage tank,boiler parts, Boilers Suppliers Located in China, Buy Electric Storage Boilers Supplier Made in China on Alibaba.com
China Electric Storage Boilers Supplier, Electric Storage Boilers Supplier from China Supplier - Find Variety Electric Storage Boilers Supplier from power boiler,lpg storage tank,boiler parts, Boilers Suppliers Located in China, Buy Electric Storage Boilers Supplier Made in China on Alibaba.com
With electric storage heaters on the lower Economy 7 tariff (12-7am), the costs would be about £900 each year. The reason for the differences in the costs of each heating type can be summarised into: first, the different cost of each type of energy; second, the difference in efficiency with which each fuel type is converted to usable heat.
With electric storage heaters on the lower Economy 7 tariff (12-7am), the costs would be about £900 each year. The reason for the differences in the costs of each heating type can be summarised into: first, the different cost of each type of energy; second, the difference in efficiency with which each fuel type is converted to usable heat.
2020-10-9 · Elektra Electric Combi Boilers amp; Central Heating Boilers available to buy and install in London, UK. Get an Elektra Electric Combi Boiler today. Electric Boilers Company together with Fiamma has created an innovative solution for providing central heating and hot water. Users can save money on running costs, servicing, repairs, parts and
2020-10-9 · Elektra Electric Combi Boilers amp; Central Heating Boilers available to buy and install in London, UK. Get an Elektra Electric Combi Boiler today. Electric Boilers Company together with Fiamma has created an innovative solution for providing central heating and hot water. Users can save money on running costs, servicing, repairs, parts and
2019-10-22 · Commercial Electric Boilers and Electric Steam Boilers Electric is a viable alternative to Gas and Oil boilers. For any queries about installation, conversion to electric and environmental benefits please get in touch or for further technical data please select a model below.
2019-10-22 · Commercial Electric Boilers and Electric Steam Boilers Electric is a viable alternative to Gas and Oil boilers. For any queries about installation, conversion to electric and environmental benefits please get in touch or for further technical data please select a model below.
2019-10-22 · Commercial Electric Boilers and Electric Steam Boilers Electric is a viable alternative to Gas and Oil boilers. For any queries about installation, conversion to electric and environmental benefits please get in touch or for further technical data please select a model below.
2019-10-22 · Commercial Electric Boilers and Electric Steam Boilers Electric is a viable alternative to Gas and Oil boilers. For any queries about installation, conversion to electric and environmental benefits please get in touch or for further technical data please select a model below.
2020-10-10 · Electric boilers for central heating, heat pumps, storage water heaters, heat exchangers, buffers, cylinders, solar collectors.
2020-10-10 · Electric boilers for central heating, heat pumps, storage water heaters, heat exchangers, buffers, cylinders, solar collectors.
2020-10-9 · Cemline Electric Boilers are provided with a A.S.M.E. pressure relief valve. The valve is sized to relieve the total BTU input of the heating elements. UL Listing. Cemline Electric Boilers meet testing and inspection requirements of Underwriters' Laboratories and are listed and labeled as required by Underwriters' Laboratories.
2020-10-9 · Cemline Electric Boilers are provided with a A.S.M.E. pressure relief valve. The valve is sized to relieve the total BTU input of the heating elements. UL Listing. Cemline Electric Boilers meet testing and inspection requirements of Underwriters' Laboratories and are listed and labeled as required by Underwriters' Laboratories.
2015-7-10 · Multisteamers, Chilled Water Storage Tanks, Industrial Hot Water Vessels, Non-Storage Electric Water Heaters, Storage and Non-Storage Steam Calorifiers, Coal Boilers, Electric Boilers, Gas Boilers, Oil Fired Boilers, Jacketed Cooking Post amp; Vessels, Solar Hot Water Installations, Insulation
2015-7-10 · Multisteamers, Chilled Water Storage Tanks, Industrial Hot Water Vessels, Non-Storage Electric Water Heaters, Storage and Non-Storage Steam Calorifiers, Coal Boilers, Electric Boilers, Gas Boilers, Oil Fired Boilers, Jacketed Cooking Post amp; Vessels, Solar Hot Water Installations, Insulation
2020-6-22 · Wholesale Solar Boilers, Storage Tank Water Heater, Boiler Manufacturer amp; Supplier Greece Europe Innovation and high standards of technology bring Assos Boilers at the top of consumer preferences all around the world. Solarnet S.A. was founded in 1998.
2020-6-22 · Wholesale Solar Boilers, Storage Tank Water Heater, Boiler Manufacturer amp; Supplier Greece Europe Innovation and high standards of technology bring Assos Boilers at the top of consumer preferences all around the world. Solarnet S.A. was founded in 1998.
China Electric Storage Boilers Supplier, Electric Storage Boilers Supplier from China Supplier - Find Variety Electric Storage Boilers Supplier from power boiler,lpg storage tank,boiler parts, Boilers Suppliers Located in China, Buy Electric Storage Boilers Supplier Made in China on Alibaba.com
China Electric Storage Boilers Supplier, Electric Storage Boilers Supplier from China Supplier - Find Variety Electric Storage Boilers Supplier from power boiler,lpg storage tank,boiler parts, Boilers Suppliers Located in China, Buy Electric Storage Boilers Supplier Made in China on Alibaba.com
2020-10-10 · Fischer EB is an electric combi-boiler that has been built with the future in mind. With no need for water tanks or cylinders and a system that is energy-efficient, it is the modern and efficient solution to replace your outdated heating.
2020-10-10 · Fischer EB is an electric combi-boiler that has been built with the future in mind. With no need for water tanks or cylinders and a system that is energy-efficient, it is the modern and efficient solution to replace your outdated heating.
Electric Heating, Storage Heaters, Boilers, Radiators, Panel Heaters, Wet Systems West End, Glasgow Dimplex xls 24n 3.2kw night storage electric heater Couple of years old, not a marked on it. Works as it did when new. Grab a bargain these are over 500 pounds new. Pretty efficient if using night time electricity Open to sensible offer Buyer
Electric Heating, Storage Heaters, Boilers, Radiators, Panel Heaters, Wet Systems West End, Glasgow Dimplex xls 24n 3.2kw night storage electric heater Couple of years old, not a marked on it. Works as it did when new. Grab a bargain these are over 500 pounds new. Pretty efficient if using night time electricity Open to sensible offer Buyer
2015-7-10 · Multisteamers, Chilled Water Storage Tanks, Industrial Hot Water Vessels, Non-Storage Electric Water Heaters, Storage and Non-Storage Steam Calorifiers, Coal Boilers, Electric Boilers, Gas Boilers, Oil Fired Boilers, Jacketed Cooking Post amp; Vessels, Solar Hot Water Installations, Insulation
2015-7-10 · Multisteamers, Chilled Water Storage Tanks, Industrial Hot Water Vessels, Non-Storage Electric Water Heaters, Storage and Non-Storage Steam Calorifiers, Coal Boilers, Electric Boilers, Gas Boilers, Oil Fired Boilers, Jacketed Cooking Post amp; Vessels, Solar Hot Water Installations, Insulation
Electric Heating, Storage Heaters, Boilers, Radiators, Panel Heaters, Wet Systems West End, Glasgow Dimplex xls 24n 3.2kw night storage electric heater Couple of years old, not a marked on it. Works as it did when new. Grab a bargain these are over 500 pounds new. Pretty efficient if using night time electricity Open to sensible offer Buyer
Electric Heating, Storage Heaters, Boilers, Radiators, Panel Heaters, Wet Systems West End, Glasgow Dimplex xls 24n 3.2kw night storage electric heater Couple of years old, not a marked on it. Works as it did when new. Grab a bargain these are over 500 pounds new. Pretty efficient if using night time electricity Open to sensible offer Buyer
Electric boilers can deliver steam in one-half hour Fossil fuel producers are again turning up the heat on industrial and commercial operators of large fossil-fueled steam boilers. Since there is little boiler operators can do to control energy costs, the obvious answer is to find ways to control consumption — without curtailing operations or
Electric boilers can deliver steam in one-half hour Fossil fuel producers are again turning up the heat on industrial and commercial operators of large fossil-fueled steam boilers. Since there is little boiler operators can do to control energy costs, the obvious answer is to find ways to control consumption — without curtailing operations or
2016-12-15 · Pumped hydro storage (PHS) and electric boilers (EBs) are two of the strongest technological options under discussion in China to address this challenge, but rigorous quantitative analyses of their effectiveness rooted in actual system data are lacking. An improved unit-commitment based power system chronological simulation is applied to
2016-12-15 · Pumped hydro storage (PHS) and electric boilers (EBs) are two of the strongest technological options under discussion in China to address this challenge, but rigorous quantitative analyses of their effectiveness rooted in actual system data are lacking. An improved unit-commitment based power system chronological simulation is applied to
Electric Heating, Storage Heaters, Boilers, Radiators, Panel Heaters, Wet Systems Edinburgh City Centre, Edinburgh We supply amp; fit the following electric central heating equipment across Central Scotland: Electric boilers ⚡️🔥 Electric cylinders ⚡️🔥💧 Electric heaters ⚡️🔥 Electric radiators ⚡️🔥 Electric storage
Electric Heating, Storage Heaters, Boilers, Radiators, Panel Heaters, Wet Systems Edinburgh City Centre, Edinburgh We supply amp; fit the following electric central heating equipment across Central Scotland: Electric boilers ⚡️🔥 Electric cylinders ⚡️🔥💧 Electric heaters ⚡️🔥 Electric radiators ⚡️🔥 Electric storage
Customers with our High Heat Retention Electric Storage Heaters save on average 30% of their heating costs, on top of receiving new HHR storage heaters, valued over £4000, all charges for removal, installation, and aftercare are paid through the scheme so you will not have to pay any costs.
Customers with our High Heat Retention Electric Storage Heaters save on average 30% of their heating costs, on top of receiving new HHR storage heaters, valued over £4000, all charges for removal, installation, and aftercare are paid through the scheme so you will not have to pay any costs.
With electric storage heaters on the lower Economy 7 tariff (12-7am), the costs would be about £900 each year. The reason for the differences in the costs of each heating type can be summarised into: first, the different cost of each type of energy; second, the difference in efficiency with which each fuel type is converted to usable heat.
With electric storage heaters on the lower Economy 7 tariff (12-7am), the costs would be about £900 each year. The reason for the differences in the costs of each heating type can be summarised into: first, the different cost of each type of energy; second, the difference in efficiency with which each fuel type is converted to usable heat.
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