Breeze or Freeze? The Essential HVAC Tools Every Smart Homeowner Needs to Know
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What warning device detects exhaust leaks from a cracked furnace heat exchanger?
Explanation
A furnace with a cracked metal heat exchanger can leak deadly carbon monoxide (CO) gas into supply vents. Installing a high-accuracy battery-powered digital Carbon Monoxide Detector nearby provides immediate warning alarms if CO levels lift.