Adwords work great for me. The main issues to consider - pick a niche (some particular brand to serve, geographical location or region) and related keywords. Choose cheaper key...
At HVAC Site we cater exlusivly to professional contractors who make their living as a contractor. Knowing that many homeowners and DIYers are looking for a community to call home, we've created www.DIYChatroom.com DIY Chatroom is full of helpful advices and perfect for DIY homeowners.