Randy-Mac Heating and Cooling - Sullivan's Experienced HVAC Repair

Yes, refrigerant leaks are a common issue in our area, especially with older systems, and they significantly reduce cooling power and efficiency. At Randy-Mac, our technicians use specialized tools to locate the exact source of the leak. We then perform a permanent repair or replacement of the faulty component, followed by a precise recharge of refrigerant to the manufacturer's specifications. This restores your system's cooling capacity and efficiency, saving you money on energy bills.

Absolutely. Smart thermostat problems, like connectivity issues or incorrect wiring, are frequent calls we get. Our Sullivan-based team is proficient in installing and configuring all major smart thermostat brands. We ensure it's correctly wired to your HVAC system and help you connect it to your home Wi-Fi and mobile app. We'll also walk you through the basic programming and features so you can start managing your home's temperature efficiently right away.

Our preventative maintenance service is your best defense against costly issues. During a Sullivan-area tune-up, we perform a comprehensive check that includes inspecting for early signs of refrigerant leaks, cleaning coils to maintain efficiency, checking electrical connections, and calibrating your thermostat. Catching a small leak or a loose connection early through maintenance can prevent a major system failure later, especially during our hot Missouri summers or cold winters, ensuring reliability and extending your system's lifespan.