This case study outlines the ongoing engagement between F12.net and an HVAC company for IT managed services and cybersecurity. The partnership began in November 2020, with an investment of approximately $8,000 CAD per month. F12.net manages the client's Microsoft 365 accounts, including Outlook, Excel, Word, and OneDrive, while also ensuring the security of their computers and software. The HVAC company has reported a fourfold increase in problem-solving efficiency and a significant reduction in the likelihood of cyberattacks. The client appreciates the professionalism of F12.net, noting that they deliver services on time and within budget, while also being responsive to queries. The engagement includes mobile device management and cloud computing services, demonstrating a comprehensive approach to IT management. Overall, the HVAC company expresses high satisfaction with F12.net's services and recommends their management program for potential customers.