HVAC Awareness Week

"Windows are significant source of energy waste, which can amount to 10-25% of your total heating bill. To prevent heat loss through your windows, you can replace single-pane windows with double-pane ones."

https://www.energysage.com/energy-efficiency/101/ways-to-save-energy/?fbclid=IwAR3MyQDFlbZ7x1lyPpvvW35s373nQnIgtv0d1exUDF1ISzsE1wWpUP9oP8k