Day: October 9, 2025

When your furnace suddenly shuts down or starts blowing cold air, it’s easy to assume the worst. But sometimes, the problem traces back to one small—but mighty—part: the furnace limit switch. This safety device quietly protects your system from overheating, and when it malfunctions, you’ll definitely notice. At Summers Comfort Heating & Air, we see this issue every season, and most homeowners don’t realize how important this little switch really