Competitive Prices-Prompt,Professional Delivery to Your Home or Office.Locally Owned & Operated for over 40 Years.Since 1961, ownership of M.L. Halle Oil Service, Inc. has remained with the Halle family, and for two generations we have offered products and services our customers can rely upon. In other words, we've built our business on your satisfaction, which is why we would like to thank you for choosing M.L. Halle Oil Service, Inc. for your heating and cooling needs. We consider it a privilege to serve you.