Current through August 30, 2021

Permit fees are to cover the cost of inspections as provided by Section 54-5017, Idaho Code. Any person, partnership, company, firm, association, or corporation making an installation must pay to the Division a permit fee as provided in the following schedule: (7-1-21)T

01. Residential. Includes all buildings with HVAC systems being installed on each property. The following permit fees apply to all residential installations:



Base permit


Furnace, furnace-air conditioner combination, heat pump, air conditioner, evaporative cooler, unit heater, space heater, decorative gas-fired appliance, incinerator, boiler, pool heater, mini-split system, free-standing solid-fuel stove, factory-built gas fireplace, or similar fixture or appliance, including ducts, vents, and flues attached thereto

Plus $30 per first fixture or appliance

Plus $15 per additional fixture or appliance

Exhaust duct or ventilation duct, including dryer vents, range hood vents, cook stove vents, bath fan vents, and similar exhaust ducts or ventilation ducts

Plus $15 per first duct

Plus $5 per additional duct

Fuel gas piping system

Plus $5 per appliance outlet

Hydronic systems

Plus $5 per zone


02. Miscellaneous. The following permit fees apply for the types of permits listed:



Requested inspection

$65 per hour or portion thereof plus costs of out-of-state travel

Mobile or manufactured home

$65 per inspection

Modular building

Plan check or technical service

$65 per hour or portion thereof


03. Other Installations Including Industrial and Commercial. The permit fees listed in this Subsection apply to installations not specifically mentioned elsewhere in this schedule. The HVAC system cost is the cost to the owner of labor charges and other costs incurred to complete the installation of equipment and materials installed as part of the HVAC system. All permit fees calculated under this Subsection are based on the total HVAC system cost, which must be listed on the permit.

HVAC System Cost


Up to $10,000

$60 plus 2% of HVAC system cost

$10,000 to $100,000

$260 plus 1% of HVAC system cost exceeding $10,000

Over $100,000

$1,160 plus 5% of HVAC system cost exceeding $100,000



Idaho Admin. Code r.

The following state regulations pages link to this page.

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.