Northfield Heating and Air, LLC Categories Heating/Air Conditioning 1858 Techny Ct. Northbrook IL 60062 (847) 251-2740 Send Email Visit Website About Us We service and install residential HVAC systems Rep/Contact Info Brittany Hertenstein × Brittany Hertenstein Office Manager Phone: (847) 251-2740 Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×