T&H Mechanical Systems (formerly H&L Air Systems) was incorporated over 25 years ago to provide Heating & Cooling services to Fairfield County, CT and Westchester County, NY. We offer the most efficient units from Trane, Rheem, Fujitsu, Weil Mclain and many others.

Are you a homeowner looking for a reliable company? As a family owned business we understand that you want to keep your family comfortable within the family budget. We will work with you to address those concerns. We will meet with you directly and send only our trained and certified people to your home.

Business owners and builders have turned to us to assist in many large and small projects. Are you a business owner that needs sound advice on how to stay green while saving the most on energy? We can help you. We’re a preferred business of many area builders and can help you compliment your plans with exceptional heating and cooling system design.