Confirm that what you've found during a visual inspection of the furnace heat exchanger is indeed failure or not. This highly informative book contains over 309 high resolution photos of furnace failure with more than 93 different furnaces.

A tool guiding customers away from a simple quick fix. Encouraging a wider view that includes correcting root causes of a problem, rather than addressing symptoms. The guide suggests equipment replacement when advisable.

A tool guiding customers away from a simple quick fix. Encouraging a wider view that includes correcting root causes of a problem, rather than addressing symptoms. The guide suggests equipment replacement when advisable.

This is an HVAC technician's tool to help communicate furnace heat exchanger failure to their clients. This guide takes your customer step by step towards understanding the AGA standards for Heat Exchanger Failure.

A tool to communicate in a consumer's language, and to guide the customers to the logic of a pro-active water heater replacement when excessive corrosion is found during an infrared inspection of the water heater.