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Household Energy Costs


Solar Air Conditioning

Solar Air Conditioning
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Solar Air Conditioning

Any type of cooling system that uses solar power to give cooling is considered solar air conditioning...

 

Electricity Cost Calculator - World

Average electricity rates for various countries and regions

The average electricity rates for various countries in the world is presented below. It is NOT accurate. Rates are different across territories, they vary with time and the conversion to US$ rate is subject to exchange fluctuations, it is only show as it is interesting to see the difference across the world against one currency as a reference. The USA for example has rates ranging from $0.40 to $0.08 across the Country. Hawaii is the most expensive.

 

Air Conditioning

Air Conditioning
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Air Conditioning

Air conditioning is very expensive and quantifying it here is almost impossible, but we give you an idea and a simple calculator.

 

Lights

light bulb
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Lights

How much does it cost to have a light on for 1 hour?

Well it depend on the light.

   

Solid Wall Insulation

Solid Wall Insulation
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Solid Wall Insulation

If you have a very old house with solid walls then you are losing a lot of heat through the walls. Solid walls transmit heat at, at least twice the rate that uninsulated cavity walls do.

 

Solar Photovoltaic’s (Without FITS)

Solar Photovoltaic’s (Without FITS)
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Solar Photovoltaic’s (Without FITS)

The terms solar energy and solar power are often used to describe technologies which collect the energy of the sun and redistribute it for our use. These terms are however a little ambiguous...

 

Solar Hot Water

Solar Hot Water
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Solar Hot Water

Solar Hot Water is used all over the world, it is very effective especially if you live in a warm country...

 

Wind Power (Without FITS)

Wind Power (Without FITS)
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Wind Power (Without FITS)

This section is only concerned with wind turbines that can be sensibly added to a residential home...

 

Heat Pumps

Heat Pumps
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Heat Pumps

Heat pumps function by extracting heat from the ground the water or the air respectively and releasing that heat energy at a higher temperature within a building.

 

Underfloor Insulation

Underfloor Insulation
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Underfloor Insulation

If you have timber floors, mineral wool insulation* can be used between the joists to insulate your floor. Assuming this is the only insulation measure installed in your house you can reduce the amount of heat loss through your floor by about a half...

 

Double Glazing

Double Glazing old window
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Double Glazing

Replacing your windows with double glazing to just save money does not actually make a lot of sense. You will reduce heat flow through you windows by at least a half...

 

Heat Loss

Heat Loss
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Heat Loss

If you have thermostatically controlled heating in your home, and most of us do, then your boiler will be controlled by the temperature measured in a particular area in your home i.e. where the thermostat is placed!

 

Cookers

cooker
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Cookers/Stoves

How much does it cost to use an oven?

How much does it cost to use a hob?

 

Hot Water Systems

Hot Water Systems
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Hot Water Systems

We cover here only spontaneous water heaters, they are generally fueled by either natural gas or electricity; however there are some units on the market using LPG, especially for caravan applications there are units that use butane or propane in gas cylinders.

   

Loft Insulation

Loft Insulation
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Loft Insulation

Since heat rises it follows that heat loss through the roof is a large contributor to energy waste in your house. By installing modern 290mm thick insulation in your loft space you could save up to 25% of your heating bill but perhaps more realistically by 20%.

 

Cavity Wall Insulation

Cavity Wall Insulation
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Cavity Wall Insulation

If you have cavities in your walls which are not already filled with insulation then you have a great opportunity to save quite a lot of money. Most household heat is lost through the walls and anything to slow this down helps.

     

Lagging

hot water cylinder lagging
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Lagging

It is fairly obvious that hot water pipes and hot water storage cylinders should be insulated to prevent heat loss. Newer cylinders already have insulation pre fitted...

     

Central Heating

Central Heating
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Central Heating

Generally central heating is the most energy and cost efficient way of heating a home, particularly those systems using fuels that are burned in a boiler. It is also very often one of those areas where you have the least control. Factors outside of your control may include:-

 

Heating Units

Heating Units
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Heating Units

The number of methods to provide heating to your accommodations is enormous.  Here we compare the potential running costs of various methods of heating.

 

Overall Household Energy Use

Overall Household Energy Use
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Overall Household Energy Use

It is important to get overall household energy use into perspective to understand where to cut costs and when to invest in new equipment.

 


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