Key Aspects About Gas Consumption: Difference between revisions
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For a business centered on selling food, the whole production chain may have to be studied to determine what could be done quicker or with less heating. Sometimes, there may not be easy solutions that would not compromise quality, variation or appeal. | For a business centered on selling food, the whole production chain may have to be studied to determine what could be done quicker or with less heating. Sometimes, there may not be easy solutions that would not compromise quality, variation or appeal. | ||
<youtube width="500" height="281"> | <youtube width="500" height="281">9iteRItyHbQ</youtube> | ||
When gas appliances operation is considered, there are other aspects that affect a building. Since cooking devices are frequently open-flame designs or ones that have little insulation, they are generally contributing significantly to space heating on the area around them. This is an unavoidable aspect even when special fume extractors are being used as most heat simply radiates around the appliance. | When gas appliances operation is considered, there are other aspects that affect a building. Since cooking devices are frequently open-flame designs or ones that have little insulation, they are generally contributing significantly to space heating on the area around them. This is an unavoidable aspect even when special fume extractors are being used as most heat simply radiates around the appliance. | ||
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! Device !! Typical power rating !! Sample rating !! Daily use !! Monthly consumption | ! Device !! Typical power rating !! Sample rating !! Daily use !! Monthly consumption | ||
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| Home gas | | Home gas cooker and oven || 7-10 kW || 3 kW (one burner) || 2 hours || 180 kW/h | ||
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| Professional gas | | Professional gas cooker || 28-36 kW || 12 kW (2 burners) || 8 hours || 2,880 kW/h | ||
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An gas powered oven is, in most cases, the device that compromises the most on efficiency. The requirement of ensuring combustion air and burned gas byproducts exhaust wastes a lot of energy. Cold air has to constantly enter the oven and be heated to a certain temperature. All the effort of heating air is wasted when exhaust leaves the oven. | An gas powered oven is, in most cases, the device that compromises the most on efficiency. The requirement of ensuring combustion air and burned gas byproducts exhaust wastes a lot of energy. Cold air has to constantly enter the oven and be heated to a certain temperature. All the effort of heating air is wasted when exhaust leaves the oven. | ||
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! Device !! Typical power rating !! Sample rating !! Daily use !! Monthly consumption | |||
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| Old professional gas oven || 6-10 kW || 6 kW || 8 hours || 1,440 kW/h | |||
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An airtight or controlled airflow system would be limited in an electrical appliance and inside air circulation could be more easily ensured to reach an optimal uniformity. | An airtight or controlled airflow system would be limited in an electrical appliance and inside air circulation could be more easily ensured to reach an optimal uniformity. | ||
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Gas stoves have been popular for many decades, particularly in space constrained premises. The ability to have a high powered food preparation solution was appreciated. However, recent advances in technology, such as the induction plate, gave electrical appliances a major boost in efficiency and convenience. Since induction plates can vary well the power delivered to the pot, the end result is the same as on a gas stove. | Gas stoves have been popular for many decades, particularly in space constrained premises. The ability to have a high powered food preparation solution was appreciated. However, recent advances in technology, such as the induction plate, gave electrical appliances a major boost in efficiency and convenience. Since induction plates can vary well the power delivered to the pot, the end result is the same as on a gas stove. | ||
It is true that there are still some cooking situations that may not be fully covered by induction plates, such as the ones requiring a particular vegetable frying technique that uses the wok pan. The shape of the wok pan is not flat, as the induction plate requires. To achieve similar results with a flat pan, the cooking technique would have to be changed | It is true that there are still some cooking situations that may not be fully covered by induction plates, such as the ones requiring a particular vegetable frying technique that uses the wok pan. The shape of the wok pan is not flat, as the induction plate requires. To achieve similar results with a flat pan, the cooking technique would have to be changed. | ||
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! Device !! Typical power rating !! Sample rating !! Daily use !! Monthly consumption | ! Device !! Typical power rating !! Sample rating !! Daily use !! Monthly consumption | ||
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| Common "kebab" professional grill || 9 kW || 6 kW (2 burners) || 8 hours || 1,440 kW/h | | Common "kebab" professional grill || 9-12 kW || 6 kW (2 burners) || 8 hours || 1,440 kW/h | ||
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| Common chicken roasting grill || 5 kW || 2.5 kW || 8 hours || 600 kW/h | | Common chicken roasting grill || 5 kW || 2.5 kW || 8 hours || 600 kW/h | ||
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Electrical grills are more compact and easier to use than gas grills. Although they may not be as powerful and taste or end result of food preparation may not be at the same level as on a gas grill, the convenience of easy operation and predictable results may be worth to consider. | |||
Large grills and particularly the ones created for outdoor operation are a special case. For the moment, there are no electrical appliance equivalents, as far as I can tell. The situation may change in the future. | |||
==Boilers and Water heaters== | ==Boilers and Water heaters== | ||
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Instant water heaters can be very powerful and capable of covering various water flows. In many countries they were a traditional favourite amenity. In the last decades, these devices became relatively rare as combined central heating systems combined hot water and space heating requirements. | Instant water heaters can be very powerful and capable of covering various water flows. In many countries they were a traditional favourite amenity. In the last decades, these devices became relatively rare as combined central heating systems combined hot water and space heating requirements. | ||
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Generally, instant gas water heaters or boilers cannot be easily replaced with electrical equivalents as they require large currents that may not be possible to supply easily without an upgrade of the electrical system. Sometimes, even with an upgrade of the electrical system the electrical appliance may still not work since the branch current carrying capability from the utility provider may not be enough. | |||
If space can be accommodated to house an electrical accumulation boiler, the most widely used product, it would offer additional improvements in tighter temperature control, noise-free operation and very little maintenance over many years. | |||
==Central heating appliances== | ==Central heating appliances== | ||