Make HVAC Maintenance a Breeze HIRE US AS YOUR DEDICATED HVAC CONTRACTOR IN EVANSVILLE, IN A lot goes into the upkeep of an industrial site. One of the biggest parts of the job involves keeping your HVAC system running smoothly. Without the right tools and the right plan, you could end up facing major issues that could've been prevented. Count on Control Specialists, Inc. to help you monitor your systems. We're an industrial instrumentation distributor in Evansville, IN, specializing in HVAC maintenance. When you need an expert HVAC contractor to install, repair or revamp your HVAC system, connect with us.