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Energy Efficient Lighting

A light bulb is a simple, often overlooked factor in most homes' total energy consumption. Energy efficient lights save you money by utilising either Compact Fluorescent light bulbs (CFL) or Light Emitting Diode (LED) technology, which generates less heat and uses less energy than traditional Halogen globes. Energy efficient light globes also have a lifespan of more than 20 times longer than Halogen lighting, so you will not be changing globes as often. Switching to energy efficient lighting minimises your carbon footprint and helps the environment. Changing to sustainable, energy efficient lighting is quicker and easier than you might think, with new LED lights designed to fit into your current light fixtures

Compact Fluorescent Light Bulbs

Compact fluorescent light (CFL) bulbs were the first alternative light bulb to become widely available. They are more expensive to purchase than incandescent bulbs, but pay for themselves over the lifetime of the bulb. CFLs come in a wide variety of shapes and brightness to suit most household needs. Most people recognize the spiral coil, but CFLs also come in flood, bulb and chandelier shapes .CFLs use about one-fourth the energy of standard incandescent bulbs. This, combined with their longer lifespan, translates into significant cost savings. For example, a CFL bulb has a lifespan of approximately 10,000 hours

Light-Emitting Diode (LED) Bulbs

LED’s are increasingly popular as the new alternative for energy efficient lighting due to their low running costs and extended lifespan. LEDs have been 'clustered' to provide more light, and mounted within diffuser lenses which spread the light across a wider area The biggest benefit of LED lighting is its lifespan. An LED bulb will last approximately 50,000 hours --- five times longer than a CFL bulb. If the bulb is left on for eight hours per day, it will last over 17 years. During that lifespan, an LED bulb will use 400 kilowatt hours of electricity. And advancements in manufacturing technology have driven the prices down to a level where LED bulbs are more cost-effective than CFLs or incandescent bulbs.

A very important feature of LED’s is their low heat output which reduces the risk of overheating and fire in the ceiling or other confined spaces.

Light Bulb Comparison Chart

 

Light bulb projected lifespan

Bulbs needed for 50k hours of use

Watts per bulb (equiv. 60 watts)

KWh used over 50,000 hours

Cost (@ 0.23per KWh) for 50 000 hours

Estimated electricity cost per day*

Estimated electricity cost per year

LED

50,000 hours

1

8

400

$92

0.75c

$2.75

CFL

10,000 hours

5

14

700

$161

1.3c

$4.75

Incandescent

1,200 hours

42

60

3000

$690

5.5c

$20

*(4 hours estimated usage per day). Per light bulb

Notes:
- Cost of electricity will vary. The figures used above are for comparison only, and are not exact. Residential energy costs among the various states
- Estimates of bulb lifespan are projected, since it would take about 6 years of continuous lighting to test. Some manufacturers claim the new LED bulbs will last up to 25 years under normal household use, but this is not proven.
- Bulb breakage and bulb replacement costs have not been factored into this comparison chart. Incandescent bulbs and CFL bulbs can be more easily broken than LEDs, which increases their cost of use.

Equivalent wattages and light output of Incandescent, CFL and LED bulbs

Light Output

Lumens

450

300 - 900

1100 - 1300

1600 - 1800

2600 - 2800

LEDs

Watts

4 - 5

6 - 8

9 - 13

16 - 20

25 - 28

CFLs

Watts

8 - 12

13 - 18

18 - 22

23 - 30

30 - 55

Incandescents

Watts

40

60

75 - 100

100

150

 

Comparing the features of incandescant CFL and LED bulbs

 

Frequent On/Off Cycling

Turns on instantly

Durability

Heat Emitted

Sensitivity to temperature

Sensitivity to humidity

Hazardous Materials

Replacement frequency
(over 50k hours)

LEDs

no effect

yes

durable

Low

no

no

none

1

CFLs

shortens lifespan

slight delay

fragile

Medium

yes

yes

5 mg mercury/bulb

5

Incandescents

some effect

yes

fragile

High

some

some

none

40+

 

Choosing an LED lightbulb

Many different models and styles of LED bulbs are emerging in today's marketplace. When choosing a bulb, keep in mind the following:

  • Estimate wattage - read the package to choose desired illumination level. For example, a 4W LED is equivalent in output to a 40 W incandescent.
  • Warm and cool light - new LED bulbs are available in 'cool' white light, which is ideal for work surface lighting, and 'warm' light is suitable for accent or mood lighting areas.
  • Standard base or pin base - LEDs are available in several types of 'pin' sockets or the standard "screw' (Edison) bases for recessed or track lighting.

Standard and dimmable bulbs - some LED bulbs, are now available as dimmable bulbs. Yellow Energy can assist you to select the best energy efficient lighting for your home. We also supply and install energy saving fittings at competitive prices. Please give us a call so that we can guide you towards an energy efficient future.

Energy Audit

Yellow Energy can visit your home or business to conduct an energy audit which analyses and evaluates your current energy consumption. As detailed on the list below we audit a wide range of energy usage factors. Our report will take into account all these factors and suggest the best options to reduce your energy costs.

List of energy audits

  1. Fridges, Freezers and Cooking - Energy Audit
  2. Heating and Cooling - Energy Audit
  3. Lighting - Energy Audit
  4. Understand Your Energy Bills
  5. Water Heating - Energy Bills
  6. Other Appliances and Stand-By Power - Energy Audit
  7. Reading Electrical and Gas Meters
  8. Calculating Home Appliance Running Costs

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Natural Energy

Going solar will reduce a household’s dependency on fossil fuel generated electricity from the grid and allow families to utilise the natural energy of the sun to power homes.

Yellow Energy - for all your solar power system requirements including solar power Sunshine Coast, Solar Electricity, Solar Panels, Solar Energy, Home Solar, Residential Solar, Commercial Solar, Inverters, Off Grid solar systems, Solar Grid Connect, Solar Battery Backup, Pool and Hot Water Tariffs, Solar Technology, Rebates, Government solar Incentives, Renewable Energy provider Sunshine Coast. Servicing the following areas Pelican Waters, Golden Beach, Moffat Beach, Kings Beach, Dicky Beach, Currimundi, Warana, Wurtulla, Bokarina, Kawana, Buddina, Bright Water, Minyama, Mooloolaba, Maroochydore, Buderim, Mountain Creek, Glenfields, Kuluin, Bli Bli, Mudjimba, Marcoola, Coolum, Sunshine Beach, Noosa, Noosa Heads, Palmwoods, Woombye, Nambour, Maleny, Montville, Mapleton, Flaxton, Hinterland, Cooroy, Brisbane Northern Suburbs, Caboolture, Gympie.