Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

Knock $4,000 off your utility bill

Invest $1,500 in insulation and maintenance and get over twice that in energy savings the first year.

6 of 6
BACKNEXT
Call for service
Cost: $100 to $200 per unit a year
Payback: $300 to $500 a year

Cleaning your furnace's oil burners or removing scale from gas units, changing filters and checking refrigerant levels in the air-conditioning system are not exactly do-it-yourself jobs. You'll need some help from the professionals.

For every year that you fail to schedule service for your furnace (gas or oil), you'll wind up using 5% more heating fuel because of all the gunky buildup, and you'll pay 10% to 30% extra for neglecting your central air conditioning.

More galleries

Last updated June 18 2009: 12:58 PM ET
Email | Print | Share  |  RSS
 
google my aol my msn my yahoo! netvibes
Paste this link into your favorite RSS desktop reader
See all CNNMoney.com RSS FEEDS (close)
More Galleries
Google's logos through the years Google changed its logo for the fifth time in 17 years this week. Here's what the old ones looked like. More
How much you should have saved for retirement right now Joe is 50 years old and makes $70,000 a year. He should already have $364,000 saved for retirement. Are you on track? More
The stock market's wild week in 6 pictures It was the wildest week in stocks in recent memory. Here's photos and CNNMoney's tweets of reactions to the panicked selling on Monday and Tuesday, which gave way to a mad buying scramble on Wednesday and Thursday. And then...a selloff on Friday again. More

Special Offer