# Combustion Air (IMC 2009 Chapter 7) > This chapter establishes requirements for providing combustion air to fuel-burning appliances, referencing specific standards for solid fuel and oil-fired units while noting exclusions. - Canonical: https://harth.build/resources/building-codes/us-states/pennsylvania/imc-2009/combustion-air/ ## Direct answer and reference scope Combustion Air (IMC 2009 Chapter 7) is presented here as a reference within the IMC 2009 collection for Pennsylvania. This chapter establishes requirements for providing combustion air to fuel-burning appliances, referencing specific standards for solid fuel and oil-fired units while noting exclusions. Use the [Pennsylvania Department of Labor and Industry](https://www.pa.gov/agencies/dli/programs-services/labor-management-relations/bureau-of-occupational-and-industrial-safety/uniform-construction-code-home) 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](https://codes.iccsafe.org/codes) 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](https://harth.build/resources/building-codes/us-states/new-hampshire/imc-2009/combustion-air.md). _Authored and prepared by Harth. Review scope: official verification path added; code text and current local applicability have not been independently reviewed._ _This chapter establishes requirements for providing combustion air to fuel-burning appliances, referencing specific standards for solid fuel and oil-fired units while noting exclusions._ ## 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 ### Where do I find combustion air requirements for solid fuel 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 must be provided with combustion air in accordance with NFPA 31. ### Do the combustion air methods in this chapter apply to all appliances? No, the methods of providing combustion air detailed in this chapter do not apply to certain appliance types, such as those related to 'firep' (as indicated by the truncated text). --- - Continue in Harth (open this topic in the Harth agent): https://app.harth.build/agent?context=%2Fresources%2Fbuilding-codes%2Fus-states%2Fpennsylvania%2Fimc-2009%2Fcombustion-air%2F - View this page in a browser: https://harth.build/resources/building-codes/us-states/pennsylvania/imc-2009/combustion-air/ - All resources for agents: https://harth.build/llms.txt