Robertshaw RS9220 Pro Series 7-Day Programmable Thermostat, Multi-Stage, 2 Heat / 2 Cool

The Robertshaw RS9220 Pro Series 7-Day Programmable Thermostat presents a strikingly mixed review from customers. On one hand, users appreciated the straightforward setup and praised the thermostat's ability to maintain stable temperature differentials—an improvement over previous models such as Honeywell, which often resulted in frequent on-off cycling. However, several customers reported significant failures, particularly regarding compatibility issues with their heating systems. After installation, multiple professionals were unable to determine why the thermostat wouldn’t effectively operate their furnace and heat pump, leading to frustration among users. The situation became more dire as these customers encountered unresponsive service from Robertshaw, resulting in a sense of being stranded with a non-functional product as cold weather approached. Attempts to return the thermostat were met with refusals, exacerbating a negative experience. Users expressed dissatisfaction not only with product reliability but also with customer service responsiveness. In summary, while the Robertshaw RS9220 offers features that some users find beneficial, particularly in temperature management, the lack of operational compatibility and insufficient customer support have led to a Considerable number of unhappy customers. **