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Mechanical / HVAC Permit (Furnace, Air Conditioning, Gas Line, Gas Fireplace) in Eaton, Colorado

Required for furnace replacement, air conditioning installation, gas line, and gas fireplace work in Eaton. Governed by the 2024 IMC/IFGC as adopted by Ordinance No. 664. Billed via the Town's flat 'Over the Counter One-Stop' fee schedule.

Verified 2026-07-06 · Source

When you need this permit

  • Counter Building Permit (Over-the-Counter application) covers Furnace/AC, Gas Fireplace, and Gas Line work, with fields for BTU rating and AC tonnage
  • Licensed mechanical contractor information, or Town contractor registration for homeowner-performed work Contractor
  • Gas Meter/Gas Test permit required for new gas line work

Required documents

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This checker covers one permit. A full project usually triggers several — our paid checklist will assemble all of them, from $29

Fee schedule

Air Conditioning (Over-the-Counter One-Stop)Town of Eaton Fee Schedule, Over the Counter One-Stop Fees, p.2
$125.00
Furnace Replacement (Over-the-Counter One-Stop)
$125.00
Gas Meter/Gas Test (Over-the-Counter One-Stop)
$125.00

Review timeline

Plan review
Not published — contact the department

How long did your Mechanical / HVAC Permit (Furnace, Air Conditioning, Gas Line, Gas Fireplace) permit actually take in Eaton?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Mechanical Rough (incl. Gas Test where applicable)

    Equipment/ductwork before concealment

  2. 2

    Mechanical Final

    Equipment operational, combustion air and venting verified

See the full Eaton inspection guide — scheduling & re-inspection fees →

Tips

  • Furnace, AC, and gas-line/gas-meter permits are each flat $125.00 fees under the Over-the-Counter One-Stop schedule — use the Counter Building Permit form rather than the full Residential Building Permit application for straightforward equipment swaps.

Frequently asked questions

Eaton requires a mechanical / hvac permit (furnace, air conditioning, gas line, gas fireplace) for: Counter Building Permit (Over-the-Counter application) covers Furnace/AC, Gas Fireplace, and Gas Line work, with fields for BTU rating and AC tonnage; Licensed mechanical contractor information, or Town contractor registration for homeowner-performed work; Gas Meter/Gas Test permit required for new gas line work. If your project isn't listed, confirm with Town of Eaton Building Department (permits issued by the Town Clerk's Office; inspections and plan review contracted to SAFEbuilt) at 970-305-3161 (SAFEbuilt, Contract Building Inspector); (970) 454-3338 (Town Clerk's Office / main line); fax (970) 454-3339 before starting work.

The Town's Fee Schedule lists a flat $125.00 fee for furnace replacement under its Over-the-Counter One-Stop Fees (Residential) category.

Eaton does not publish a plan-review timeline for this permit. Contact Town of Eaton Building Department (permits issued by the Town Clerk's Office; inspections and plan review contracted to SAFEbuilt) at 970-305-3161 (SAFEbuilt, Contract Building Inspector); (970) 454-3338 (Town Clerk's Office / main line); fax (970) 454-3339 for current turnaround.

You'll need: Counter Building Permit Application (Over-the-Counter). See the required-documents checklist on this page for details on each.

Eaton requires 2 inspection(s) for a mechanical / hvac permit (furnace, air conditioning, gas line, gas fireplace), in order: Mechanical Rough (incl. Gas Test where applicable), Mechanical Final. Schedule each through Town of Eaton Building Department (permits issued by the Town Clerk's Office; inspections and plan review contracted to SAFEbuilt) (970-305-3161 (SAFEbuilt, Contract Building Inspector); (970) 454-3338 (Town Clerk's Office / main line); fax (970) 454-3339).

Apply through Town of Eaton Building Department (permits issued by the Town Clerk's Office; inspections and plan review contracted to SAFEbuilt) at Town of Eaton, 223 1st St, Eaton, CO 80615. Phone: 970-305-3161 (SAFEbuilt, Contract Building Inspector); (970) 454-3338 (Town Clerk's Office / main line); fax (970) 454-3339, email: coemail@safebuilt.com (SAFEbuilt inspections/permit processing). Office hours: Not separately published on the Building and Permitting page as of this review; the Town's main contact line is (970) 454-3338.. Official information: https://www.eatonco.org/building-and-permitting.

Eaton, Colorado has adopted: 2024 International Building Code (IBC), Chapters 1-33 and Appendix Chapters H and I — adopted by Ordinance No. 664, amending Eaton Municipal Code Sec. 6-1-1, passed on second/final reading November 20, 2025; 2024 International Residential Code (IRC), Chapters 1-43 and Appendix AB — Ordinance No. 664, Sec. 6-1-2; 2024 International Mechanical Code (IMC); 2024 International Fuel Gas Code (IFGC); 2024 International Plumbing Code (IPC); 2024 International Energy Conservation Code (IECC); 2024 International Property Maintenance Code (IPMC); 2024 International Existing Building Code (IEBC); 2023 National Electrical Code (NEC); 2024 International Swimming Pool and Spa Code (ISPSC); Colorado Model Electric and Solar Ready Code, 2023 Edition — Ordinance No. 664, re-numbered as Eaton Municipal Code Sec. 6-1-12; Colorado Wildfire Resiliency Code, 2025 Edition — Ordinance No. 664, re-numbered as Eaton Municipal Code Sec. 6-1-13; All codes adopted pursuant to Title 31, Article 16, Part 2, C.R.S. Ordinance No. 664 was introduced/approved on first reading October 16, 2025, and passed as amended on final reading November 20, 2025; the Town's own Building and Permitting page states these codes 'will go into effect January 1, 2026,' a later effective date than the ordinance's own standard 30-day-after-publication clause (Section 17) — both dates are disclosed since the Town does not itself reconcile them on a single page. This corpus treats January 1, 2026 (the Town's own explicit statement on its current Building and Permitting page) as the operative date for practical purposes.; NOTE (data-integrity flag): A ProCode Inc.-branded 'Solar Permit Submissions and FAQs' handout linked from the Town's own Building and Permitting page (V4.5.22, dated April 2022, still bearing a Johnstown, CO return address) cites a stale 'Adopted Codes' list (2018 IFC, 2020 NEC, 2018 IBC, 2018 IRC) that predates both the Town's 2024 I-Code adoption (Ordinance No. 664) and the ProCode-to-SAFEbuilt rebrand. This corpus does NOT treat that stale document as a governing code citation; the current codes above (per the Building and Permitting page and Ordinance No. 664 itself) govern. The same handout's technical figures for wind speed (115 mph) and ground snow load (30 psf) are corroborated independently by Ordinance No. 664's own Table R301.2(1) and are treated as current on that independent basis, not on the stale handout's authority.. Local amendments apply — see the Eaton overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-06.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Eaton building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.