Air tightness is more effective than insulating
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If you’re cold, you’re better off zipping up your jacket than putting on a new jacket.
The same applies to your home. The best way to save energy is to close the gaps in the shell of your home, making it air tight.
Fresh-r automatically refreshes the air and reuses the heat.
Healthy for your lungs, a breath of fresh air for the planet and your wallet.