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Disclaimer

Informational pre-check only

HVACPreCheck is an informational review product for homeowners comparing HVAC proposals or permit steps before signing or filing.

Important boundary

HVACPreCheck provides informational pre-check reports only. We are not a licensed HVAC contractor, engineer, tax advisor, or permit authority. Our reports are not stamped engineering documents and do not guarantee permit approval, equipment sizing, rebate eligibility, tax credit eligibility, energy savings, or comfort outcomes. Always confirm requirements with your contractor, local building department, utility, tax professional, or licensed engineer.

What this site does not do

  • It does not produce a stamped engineering document.
  • It does not guarantee permit approval or code compliance.
  • It does not replace a licensed contractor, engineer, tax advisor, or permit authority.
  • It does not perform a formal Manual J, Manual S, or Manual D calculation in this MVP.