HVAC / Furnace Permit Requirements in Winston-Salem, NC

Winston-Salem is a city of 255,769 residents in North Carolina that follows the 2018 building code. Whether you need a building permit for your HVAC / Furnace project depends on the scope of work — here's what Winston-Salem's building department requires.

Population: 255,769 Code: 2018 Verified: 2026-03-21 7 local rules

When you DO need a permit

Replacing an HVAC system (even same-for-same) requires a mechanical permit.

Estimated fee: $70 – $225

Typical timeline: About 1 week

Source: City of Winston-Salem Code / 2018 NC Building Code

Installing a new HVAC system requires mechanical and possibly electrical permits.

Estimated fee: $135 – $450

Typical timeline: About 2 weeks

Source: City of Winston-Salem Code / 2018 NC Building Code

Modifying or installing ductwork requires a mechanical permit.

Estimated fee: $70 – $225

Typical timeline: About 1 week

Source: City of Winston-Salem Code / 2018 NC Building Code

Installing a mini-split system requires mechanical and electrical permits.

Estimated fee: $70 – $225

Typical timeline: About 1 week

Source: City of Winston-Salem Code / 2018 NC Building Code

Replacing an HVAC system (even same-for-same) requires a mechanical permit.

Estimated fee: $70 – $225

Typical timeline: About 1 week

Source: City of Winston-Salem Code / 2018 NC Building Code

Installing a new HVAC system requires mechanical and possibly electrical permits.

Estimated fee: $135 – $450

Typical timeline: About 2 weeks

Source: City of Winston-Salem Code / 2018 NC Building Code

Installing a mini-split system requires mechanical and electrical permits.

Estimated fee: $70 – $225

Typical timeline: About 1 week

Source: City of Winston-Salem Code / 2018 NC Building Code

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Building Department Contact

NameInspections Division
Address100 E. First Street, Suite 328, Winston-Salem, NC 27101
HoursMon-Fri 7:45am-4:45pm

Frequently Asked Questions

Estimated permit fees for HVAC / Furnace projects in Winston-Salem, NC range from $70 – $225. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller HVAC / Furnace projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Winston-Salem can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for HVAC / Furnace permits in Winston-Salem is About 1 week. More complex projects may take longer if plan review is required.

Learn More About HVAC / Furnace Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read HVAC / Furnace Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-21. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.