Turn down the heat, layer up
During winter, Invest in a cozy hoodie and socks to keep you warmer. You can save about 2% of your heating bill for each degree that you lower the thermostat.
Heating and cooling
A clogged HVAC filter inhibits air flow - a clean filter is the most efficient.
Utilize window curtains
During winter, allow sunlight into home , then close them at night to retain the heat. During hot days, do the reverse.
Make space for circulation
Keep warm-air registers, baseboard heaters and radiators clean and clear of furniture, carpeting and drapes