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Combustion Air (IMC 2009 Chapter 7)

This chapter establishes general requirements for combustion air supply to solid fuel-burning and oil-fired appliances, directing users to manufacturer instructions and NFPA 31, and notes certain exclusions.

Direct answer and reference scope

Combustion Air (IMC 2009 Chapter 7) is presented here as a reference within the IMC 2009 collection for South Carolina. This chapter establishes general requirements for combustion air supply to solid fuel-burning and oil-fired appliances, directing users to manufacturer instructions and NFPA 31, and notes certain exclusions. Use the South Carolina Building Codes Council to confirm the code edition currently adopted for the project, and compare the model text with state amendments, local amendments, effective dates and the permit authority's interpretation. The ICC code library is the model-code publication path. This Harth page is a searchable reference transcription, not an official code publication, legal opinion or confirmation that this edition controls a particular address. Record the project jurisdiction, application date, occupancy, construction type and amendment set before relying on a section. Where this page conflicts with an official publication or the authority having jurisdiction, the official source controls. This duplicate source record is retained for route compatibility, marked noindex, and canonicalized to /building-codes/us-states/new-hampshire/imc-2009/combustion-air.

Authored and prepared by Harth. Review scope: official verification path added; code text and current local applicability have not been independently reviewed.

701 — General

701.1 Scope. Solid fuel-burning appliances shall be provided with combustion air in accordance with the appliance manufacturer's installation instructions. Oil-fired appliances shall be provided with combustion air in accordance with NFPA 31. The methods of providing combustion air in this chapter do not apply to fireplaces, fireplace stoves and direct-vent appliances. The requirements for combustion and dilution air for gas-fired appliances shall be in accordance with the International Fuel Gas Code.

Frequently asked questions

Which types of appliances are covered by this chapter's general combustion air requirements?

This chapter's general scope applies to solid fuel-burning appliances and oil-fired appliances.

Where should I find the combustion air requirements for solid fuel-burning appliances?

Combustion air for solid fuel-burning appliances must be provided according to the appliance manufacturer's installation instructions.

What standard governs combustion air for oil-fired appliances?

Oil-fired appliances require combustion air in accordance with NFPA 31.

Where verbatim source text is shown, it is reproduced from the code as adopted into law by the jurisdiction, sourced from public.resource.org under the government edicts doctrine (see Georgia v. Public.Resource.Org, Inc., 590 U.S. 255 (2020)). This material reflects enacted law and is provided for reference and educational purposes only. It is not legal advice and may not reflect local amendments or the most recently adopted edition. Always verify requirements with the authority having jurisdiction.