ASHI Certified Inspector

ASHI Certified Inspector
Member Since 1989

Guy Manwaring

Certified Home Inspection and Appraisal Service

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ASHI Standard of Practice

The ASHI Standard of Practice is the foundation that all ASHI members conduct their home inspections upon. Adhering to the Standard puts our members in the best position to provide an effective and informative service to their clients, and help them make a sound decision on their new home.

The Standard of Practice covers the following areas:

  • Air Conditioning Systems
  • Plumbing Systems
  • Electrical Systems
  • Structural Systems
  • Exterior
  • Fireplace
  • Flooring
  • Solid Fuel Burning Appliances
  • Heating Systems
  • Interior
  • Insulation And Ventilation
  • Roof System
Property Types
  • Commercial Property Inspections
  • Manufactured Homes
  • Multi-Family Homes (Condos/Apartments)
  • Single-Family Homes
  • English

Additional Services

Learn more about these additional services.
  • Expert Witness Testimony/Litigation Support


As a teenager Guy worked with his father, Vern Manwaring, in residential construction, later became licensed in Michigan real estate, and then took employment with the City of Tecumseh, Michigan, assuming the role of City Building Inspector/City Assessor. After several years with the City, Guy left to work in the real estate appraisal field and also began Certified Home Inspection in 1989. These past 28 years in home and building inspection have been a rewarding path and have seen Guy attain ASHI membership and status as an ASHI Certified Inspector. Through the Great Lakes Chapter of ASHI, Guy has attained the IBR, Inspector by Review, designation, as administered by his peers in the home inspection field. ASHI membership and certification are an ongoing educational experience, with the continuing education that is required. It is extremely important to continue to learn about all avenues of construction, buildings and homes, to be able to help protect potential purchasers from unknown issues they may be headed for. Guy is readily available for your inspection needs. Remember, don't get less than the best, "Call Guy before you buy!"


Note: Not all states require licensing. To check your state's regulations, click here.

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Contact Information

Address of property to be inspected


State Regulation and Terms of Use

In many states, regulation and licensing of home inspectors exists. To see a list of these states, click here. Before engaging the services of any inspector, please verify that they have met the requirements to legally perform inspections in your state.

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