1. How often should most people change their furnace filters?

CORRECT

We recommend changing your furnace filter every one to three months on average. If you have pets or allergies, you may need to change it more frequently.

Next

INCORRECT

We recommend changing your furnace filter every one to three months on average. If you have pets or allergies, you may need to change it more frequently.

Next

CORRECT

The U.S. Department of Energy recommends setting your thermostat to 78º during the summer months to maximize energy savings.

INCORRECT

The U.S. Department of Energy recommends setting your thermostat to 78º during the summer months to maximize energy savings.

CORRECT

It’s a common misconception that leaving your AC set to a higher temperature during the day is more efficient than turning it off completely. In reality, it always saves more energy to shut off your system when you’re not using it.

Next

INCORRECT

It’s a common misconception that leaving your AC set to a higher temperature during the day is more efficient than turning it off completely. In reality, it always saves more energy to shut off your system when you’re not using it.

Next

CORRECT

Dialing your thermostat back 7-10 degrees for an average of eight hours a day can help you save up to 10% on energy bills.

INCORRECT

Dialing your thermostat back 7-10 degrees for an average of eight hours a day can help you save up to 10% on energy bills.

INCORRECT

You might think that a bigger system can cool your home faster — but if it’s too large or too powerful, it can waste money and energy.

Next

CORRECT

You might think that a bigger system can cool your home faster — but if it’s too large or too powerful, it can waste money and energy.

Next

CORRECT

Our experts recommend getting a professional preventive maintenance check both in the spring and the fall to make sure your system is ready to handle extreme temps.

INCORRECT

Our experts recommend getting a professional preventive maintenance check both in the spring and the fall to make sure your system is ready to handle extreme temps.

INCORRECT

On average, a smart programmable thermostat can save you up to 25% on heating and cooling bills.

Next

CORRECT

On average, a smart programmable thermostat can save you up to 25% on heating and cooling bills.

Next

CORRECT

During the spring and summer months, we recommend cleaning your unit once a month. Don’t forget to turn off the electrical disconnect switch first! Then, gently use a hose to spray the unit on all sides — careful to spray in an up and down motion and avoid spraying the motor on top.

INCORRECT

During the spring and summer months, we recommend cleaning your unit once a month. Don’t forget to turn off the electrical disconnect switch first! Then, gently use a hose to spray the unit on all sides — careful to spray in an up and down motion and avoid spraying the motor on top.

CORRECT

A strong furnace flame should be crisp and blue. If your furnace flame is weak or orange, call in an expert for service.

INCORRECT

A strong furnace flame should be crisp and blue. If your furnace flame is weak or orange, call in an expert for service.