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Seventeen seer Carrier AC with heat pump... with a ‘ten year all parts and labor’ - guarantee. (Cost an extra thousand but it's been well worth the money... they've had to replace most of the unit over the last eight years and it hasn't cost a dime.) Carrier quit offering this guarantee a few years back.

I keep the house at 72 degrees in the summer... and my bill runs in the two to three hundred range.

Seven ceiling fans in the house.

Use LED light bulbs and the newer LED TV’s that use less energy.

Use a stove with two ovens - and only use the top convection oven 99% of the time. It heats up faster and uses less energy - convection allows cooking at a lower temperature and doesn't heat the house as much.

Bought a new pool pump - new pump's use less energy. It runs 6 hours a day in the summer 4 hours a day when it cools off. Use a diatomaceous earth pool filter - which is more efficient - cost more upfront but cheaper to operate in the long run.

Painted outside of house using the same technology used by NASA for their space flights.... with a product that won the ‘best spin-off NASA product* award’ for 2002 or 2003).

(*Hy-Tech Thermal Solutions, a NASA Research Partner, produces energy saving insulating paint and an insulating additive for house paints that will reduce your heating and cooling bills.)

http://www.hytechsales.com/

Have ductwork inspected every few years and replaced when needed...

(*Hy-Tech Thermal Solutions, a NASA Research Partner, produces energy saving insulating paint and an insulating additive for house paints that will reduce your heating and cooling bills.)

Unfortunately my house was re-roofed and painted just before I bought it but the next pass (in 10-15 years??) The paint/coloring material is called "IR white," regardless of the visible color.