Bathroom Ventilation Ducts and Fans

Bathroom Exhaust Fan

by Nick Gromicko, CMI® and Kenton Shepard Provided by InterNachi Bathroom ventilation systems are designed to exhaust odors and moist air to the home’s exterior. Typical systems consist of a ceiling fan unit connected to a duct that terminates at the roof. Fan Function   The fan may be controlled in one of several ways: Newer fans may … Read more

Inspecting Aluminum Wiring

by Nick Gromicko, CMI® and Kenton Shepard  History Between approximately 1965 and 1973, single-strand (solid) aluminum wiring was sometimes substituted for copper branch-circuit wiring in residential electrical systems due to the sudden escalating price of copper. After a decade of use by homeowners and electricians, inherent weaknesses were discovered in the metal that lead to its disuse as … Read more

Knob-and-Tube Wiring In Your Home?

Knob-and-Tube Wiring

Knob-and-Tube wiring (K&T) was an early standardized method of electrical wiring in buildings, in common use in North America from about 1880 to the 1940s. The system is considered obsolete and can be a safety hazard, although some of the fear associated with it is undeserved. InterNACHI inspectors should always disclaim knob-and-tube wiring during their … Read more

Asbestos In Your Home: Facts and Tips for Homeowners

Asbestos In Your Home

What Is Asbestos? Asbestos is a mineral fiber that can be positively identified only with a special type of microscope. There are several types of asbestos fibers. In the past, asbestos was added to a variety of products to strengthen them and to provide heat insulation and fire resistance. If your home was built before … Read more

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