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Measures to reduce fuel bills ROI*
water tank insulation energy saving Lagging 1
loft insulation energy saving Loft Insulation 2
cavity wall insulation energy saving Cavity Wall Insulation 2.3
underfloor insulation energy saving Underfloor Insulation 4.4
solid wall insulation energy saving Solid Wall Insulation 15.8
solar energy energy saving Solar Hot Water 35
double glazing energy saving Double Glazing 58.1

*ROI is the time it takes in years to return the investment in fuel savings for an average gas heated 3 bed semi-detached house. The table assumes no government incentive schemes are used.

Renewable Energy Measures ROI**
ground source heat pump Heat Pumps
- Replacing Electric
4 to 8
ground source heat pump Heat Pumps
- Replacing LPG
120 to 239
wind power Wind Power 13 to 52
solar PV Solar Photovoltaics 23 to 60

**ROI is the time it takes in years to return the investment in electricity savings. The table assumes no government incentive schemes are used.

Money
Saving
Tips
 Energy 
Savings 
Each Year
 Money
Savings
Each Year
 CO2
Savings
Each Year
 Comments
dishwasher energy saving tips Dishwashers
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30kWh -
90kWh
£4.62 -
£13.86

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11.01kg -
33.03kg
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Run the machine full and less often

boil less water in kettle energy saving tips Boiling Water
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82kWh -
164kWh
£12.628 -
£25.256

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30.09kg -
60.19kg
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Boil only what you need. Savings depend on how much tea you drink!

fridge freezer energy saving tips Fridge Freezers
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50kWh -
400kWh
£7.7 -
£61.6

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18.35kg -
146.8kg
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Fridge maintenance. Savings depend on size, age and rating

dmoney saving tips tumble drying Tumble Dryers
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90kWh -
350kWh
£13.86 -
£53.9

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33.03kg -
128.45kg
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Operate Less often, clean filters, part dry clothes?

differnce in cost of shallow or deep bath Baths
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700kWh -
1400kWh
£30.1 -
£215.6

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147kg -
513.8kg
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Have shallower baths and consider how you heat water

change energy supplier to save money Change Supplier
Read More
0kWh -
0kWh
£0 -
£500

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0 -
0
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save money and have a beerSwitch! This is the single simplest way of saving money. This is equivalent to 100 pints of beer!

shower or power shower which is cheaper Shower of Power Shower
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120kWh -
1100kWh
£18.48 -
£242

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25.2kg -
403.7kg
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Aviod immersion heated power showers

save money and energy with good loft insulation Install Loft Insulation
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3000kWh -
3750kWh
£129 -
£161.25

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630kg -
787.5kg
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Modern loft insulation in a 3 bed semi - these numbers are for Gas, savings are greater for other fuels

save money and energy with good loft insulation Improve Loft Insulation
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1000kWh -
1500kWh
£43 -
£64.5

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210kg -
315kg
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Modern loft insulation in a 3 bed semi - these numbers are for Gas, savings are greater for other fuels

This table is under construction there are more tips here.

Lagging

enery savings by lagging your hot water cylinder
 Cost:  Low
 ROI:  1 Year
 Skill:  DIY-Easy
 Energy Saving:  Medium
 Priority:  High
 CO2 Saving:  Medium
 How much this measure costs to install: Low : Medium : High
 ROI is the time it takes to return the investment in fuel savings for an average gas heated 3 bed semi-detached house and assumes no government incentive schemes are used: Years
 How easy this is to do: DIY-Easy : DIY-Skilled : Specialist
 How much energy will be saved with this measure: Low : Medium : High
 What priority should be attached to this measure, this is based on the cost and ease with which it can be achieve togeteher with the savings in money and energy: Low : Medium : High
 How much Carbon Dioxide emission will be saved with this measure: Low : Medium : High

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, but if your tank is older and un-insulated then according to the Energy Savings Trust by fitting a hot water jacket you will save about £50 per year. Your savings would be even more however if you regularly use an electrical immersion heater, since it costs a lot more to heat water with electricity.

Given that a new thick jacket (75mm) for a hot water tank costs about £15, it should pay for itself in less than six months. Even upgrading an old thinner jacket, is worth considering and will pay back the investment in about 2 years.

This energy/money saving measure is almost a must do. Even if you are renting off a landlord who is too tight fisted to put a jacket on the cylinder, you could buy one and take it with you when you leave!

Insulating hot water pipes will save you less, possibly £10 per year but DIY installation is very easy and materials will only cost about £10. So it will only take a year to payback this investment.

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