You will have to spend money for this, but you can conserve more if you'll replace them right away. The new designs don't consume plenty of energy so you can expect that your monthly bills will go down.
The simplest approach to conserve energy is to make of natural lighting during the day instead of utilizing your artificial lighting. You can your artificial lighting at night, but make sure that you let the all-natural light enter your house during the day.
You're not utilizing lots of energy coming from the electricity organizations so there is a big chance that your regular bills will probably be lowered significantly. The preliminary expenditure for renewable energy options can be high, but it is well worth the money.
If you are not yet using your home appliances, make sure that they are unplugged since they will still up energy when they are plugged. This is the common mistake of property owners so if you would like to save energy and lessen your regular bills, unplug your home appliances.
It is true that you're attempting to preserve money, but replacing will be advisable over time. The new models do not consume a lot of energy so you can expect that your regular bills will go down.