At what outside temperature do heat pumps stop working? The answer depends on system design, outdoor conditions, and backup heat. Here’s what homeowners need to know.

When your TOSOT mini-split AC displays an error code like F0, H5, or E8, it’s your system’s way of signaling what’s wrong. This guide explains what each code means, how to troubleshoot common issues, and how to prevent them through simple maintenance and care.

As summer approaches, a refrigerant leak in your AC unit can lead to poor cooling, higher energy bills, and potential health risks. Watch for signs like hissing sounds, ice buildup on coils, or warm air from vents. Modern R32 air conditioners often feature built-in refrigerant leakage sensors that alert you immediately to leaks, ensuring safety and efficiency. Early detection and professional repair are key to maintaining comfort and avoiding costly damage