Welcome to Weber & Grahn home on the Internet! For more than 40 years, we've been helping folks throughout the East end of Long Island area enjoy total indoor air comfort in their homes and businesses. Our many satisfied customers tell the story, but for your added peace-of-mind, rest assured that our professional staff has received the most up-to-date training available. So whenever you need us, we're here for all your heating and cooling concerns -- from scheduled maintenance & repairs to installations with a smile, we're always just a phone call away.