About Effective Service Group, LLC. If you’re looking for heating and cooling services or expertise in East Hanover, look no further than Effective Service Group, LLC.. We’ve been around since 2004, so our staff is knowledgeable and fully trained on a full range of HVAC products, maintenance, technology – you name it. We’re also members of the Air Conditioning Contractors Association, so you can be sure we’ll do professional, quality work in every call so you can enjoy a more comfortable home. Quality service is one of our top concerns. To make sure we meet your needs, Effective Service Group, LLC. provides after hours service and always wears booties to keep your home clean. Aside from offering excellent service, we also offer a wide range of high technology and innovative Lennox® HVAC products. If you’ve heard the Lennox name before, you probably know about its dedication to creating quality equipment through continuous innovation. When you work with Effective Service Group, LLC., you’ll find products that may be more efficient and could even help reduce your utility costs. We’re committed to helping you achieve whole-home comfort. Whether you need heating and cooling services such as repair and maintenance, or you need to replace your HVAC system, we’re ready to help. Call Effective Service Group, LLC. in East Hanover at 973-884-0065 to learn more, or schedule an appointment online to start working with us.