Custom Comfort With You In Mind...With that said, that is one of the few reasons that make Total Mechanical Systems, LLC stand out from other companies. We are constantly building strong relationships with families and businesses across Connecticut. From the frigid days of winter to the hot humid days of summer, Total Mechanical Systems, LLC is just a call away. We have both the knowledge and the experience to solve your plumbing, heating, cooling and geothermal concerns. We treat your home as if it were our home. We provide quality equipment and first-class installation and service. In-home consultations are available around the clock. We look forward to earning your business and our help is always available.