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What’s the cheapest way to heat your home this winter?


We all want to keep our homes nice and warm in winter, without spending a fortune. To find out the best way to save on heating, we did some research into the pros, cons and costs of electricity, gas and wood.



Find out which is the most cost effective and efficient way to heat your home this winter.



Electricity



Startup costs

You can buy a cheap fan heater, which is very efficient for warming a room quickly, for under R200. A 9-fin oil heater costs around R800. The better quality the heater, the more you will pay.



Cost of electricity

The heat energy of a heating device is measured in kilowatts (kW). The current cost of electricity in Johannesburg is R1.24 per kW. A 9-fin oil heater or an elctric fan uses around 2kW in an hour, so at R1.24 per kW, it will cost you R2.48 per hour.



Remember, though, that during peak times (between 07:00 and 10:00 and 17:00 and 21:00 on weekdays) in certain municipalities in winter, electricity can be billed at 2.5 times the standard rate. This Time of Use Tariff means that you’ll be paying R6.20 to use a heater during these times.



Heat generated

In South Africa, our heaters are limited by the type of power they can draw from our plug points, so the maximum heat they can generate is 3kW. However, as most of our heaters are imported, the maximum they can generate is 2kW, in line with European limitations.



Pros

Electric heaters are available in a range of sizes, functionality, cost and heat efficiency. In addition, the costs of heating a room with electricity are not overly high. And it’s convenient - as long as the power’s on, it is always available at the flip of a switch.



Cons

Electric heaters are dependent on the Eskom power supply, which means that if there is no power, you will have no heat. Certain types of heater – oil heaters, for instance – take a long time to warm up. Other types – like bar heaters – give a more immediate radiant heat, but there is a risk of burning yourself or even starting a fire. Electric heaters do tend to dry out the air but a humidifier or bowl of water nearby will solve that.



Gas



Startup costs

A portable gas heater starts in the region of R800 to R1 000. A 9kg gas bottle requires a deposit of R300 and the gas itself costs R200 for each refill.



Cost of gas

It is calculated that a 9kg gas canister, which costs around R200, will be used up in around 30 hours – so that’s R6.67 an hour.



Heat generated

Mobile gas heaters can give out over 4kW of heat. You can manually adjust their temperature to give out less heat, and thus use less gas.



Pros

Gas heaters deliver instant heat and are therefore very efficient at warming a room – or your cold hands!



Cons

The costs of gas and gas heaters are comparatively quite high. Also, gas heaters consume oxygen and so the room must be well ventilated. And you will have to arrange for gas to be delivered to your home, or take your gas bottles to be refilled.



Wood-burning stove



Start-up cost

David Wantling, a heating expert and the managing member of J Macdonald and Sons (trading as macD Fire House), says that a wood-burning stove or a closed combustion fireplace costs between R10 000 and R25 000, with installation of around R5 000.



Note that the following calculations do not include open fireplaces, which are very inefficient; only around 15% to 20% of the heat radiates into the room while the rest goes up the chimney.



Cost of wood

The cost of fuel for a wood-burning stove is far less than the cost of using electricity or gas. A bag of hard, well-seasoned wood containing around 25 pieces costs around R45. David estimates that a fire loaded with six pieces will burn for more than six hours at a moderate level. This means that the stove will consume about one piece of wood per hour at a cost of R1.80 per hour for an output of 6 to 8kW of heat. The cost is therefore around 30c per kW.



Heat generated

Closed wood-burning stove have an efficiency of up to 80%. Wood stoves’ heat outputs are generally rated as: small – 3kW to 6kW, medium – 5kW to 9kW, and large – 8kW to 12kW, and very large - above 12kW. The size of the space would determine the size fireplace you need.



Pros

Wood-burning stoves give off a lot of warmth very efficiently, and wood is an inexpensive fuel to burn in this way.



Cons

The start-up costs of buying and installing a wood-burning stove are fairly steep. And you will have to make arrangements to purchase wood.



The conclusion

Wood-burning stoves, while the most expensive to purchase, burn wood at a slow rate while generating a lot of heat, and are the most-cost effective way to heat a room.



Electric heaters are the cheapest to purchase, and their running costs are the second cheapest after wood stoves.



Mobile gas heaters are generally more expensive than their electric counterparts and their fuel is more costly than electricity and wood.



Of course, most people make the decision to heat their homes based on the equipment that they already have available and the convenience of getting hold of the right type of fuel. However, with the rising costs of all types of fuel, it is worth considering the financial implications of any heating solution that you opt for, so be sure that you go into any purchase or installation with your eyes open – especially with the wide range of products and models on the market.

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Heating Repair And Regular Upkeep Tips



You can maintain an furnace system numerous different ways. Chances are good that the system will be running all day long in the winter. furnace systems typically run more than needed, due to inaccurate configuration. There there are various areas in your heating section to take a look at when troubleshooting for proficiency.



The Air Filter



This is what you typically hear people talking about most often, but so few people take the recommendation and do anything about it. If there is a blockage, you either run the chance of not disbursing heat adequately or possibly starting a fire.When the air filter is dirty air will not flow through as well which suggests the furnace must work overtime and will also mean a risk of fire. When your system works overtime, it is more expensive to run. You want eliminate any risk of fire. Neither situation is good for your bank account or your peace of mind..



Test The Blower



Check the blower blades and clean them. A grimy fan will work overtime to blow the air around and of course use higher energy to maintain the thermostat level you choose it at. Therefore the system is over taxed and costing more money to run.



Fire Damper Function



Be certain to check your fire damper for correct operation. The fire damper is self-explanatory so pay attention to this factor.



The Flex Duct



Air ducts get bumped into over the years. If there are blockades or the duct has flattened somewhere the furnace system will think the right temperature has been achieved, which will be wrong. When this will happen the system works harder to do its job but will be unable to attain the right temperature range.



Make Sure The Insulation Is Secure



Insulation is often ignored but is among the most common reasons why an furnace system malfunctions. Be sure to look at the insulation and confirm it has never become wobbly and resulted in gaps between the ductwork and the outside. When this happens the system will work more than needed while attempting to reach the best temperature.



Ductwork Needs To Be Connected



Make be certain the ductwork is connected in all places to all sections. These detachments can cause gaps in the air movement and result in a loss of hot air in your home, since it is going to be getting out through the holes.



Return Air Inlets And The Zone Dampers



Be certain to check that return air intakes are dirt free and in working order or your system will be out of kilter. Look at your dampers to verify they are in the best position. Every so often a damper can get moved in error like when you need to squeeze by it, or make space for storage. Check to notice that the dampers are actually in the correct position too.



If these everyday jobs are more than what you are confident with, it may be a good idea to hire a local heating service licensed for furnace and gas furnaces. You should manage to locate a good heating company who will take care of this for you. For the best results you can set up annual upkeep for furnace and the heating people will call yearly to deal with it.



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