Overview
Repair leaking, disconnected, or damaged ductwork and clean accumulated dust, debris, and mold from your HVAC ducts. Proper ductwork improves efficiency by 20-30% and enhances indoor air quality.
Ennis Climate Considerations (mixed dry)
- • Furnace overuse in extended winters
- • Altitude affects combustion efficiency
- • Dry air damages ductwork seals
Common Signs You Need Ductwork Repair & Cleaning
- • Rooms not heating or cooling evenly
- • High energy bills
- • Visible dust around vents
- • Musty smell from registers
- • Ductwork rattling or making noise
- • Condensation on or around ducts
Ductwork Repair & Cleaning Cost in Ennis
Low
$214
Average
$642
High
$1,069
DIY vs. Call a Pro
You can seal visible duct leaks with mastic sealant or metal-backed tape (not cloth duct tape). Replace damaged flex duct sections with matching diameter. Vent cleaning with a brush kit is manageable for accessible runs.
Call a professional when:
Call a professional for comprehensive duct cleaning, mold remediation, ductwork in walls or hard-to-reach areas, or if you suspect asbestos insulation on older ducts.
Hvacs in Ennis

BRC Mechanical
Bozeman, MT
(406) 920-0400Bridger Heating & Cooling
Bozeman, MT
(406) 586-8191Comfort Systems of Montana
Bozeman, MT
(406) 522-1114Founding Member
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Ennis Housing Market
Median Household Income
$60,880
Median Home Value
$402,300
Median Rent
$805/mo
Homeownership Rate
77.3%
Population
615
Median Year Built
1980
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
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Ductwork Repair & Cleaning
Date
April 2026
Cost
$642
Vendor
Your local pro
Warranty
5-year material warranty
Ennis average: $214–$1,069
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
5-year material warranty
Auto-Checkup Created
"Ductwork Inspection" — every 24 months
Property Health Score
Fair
hvac category +8 pts(68 → 76)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

Maintenance Plan for Ennis

Recommended Maintenance Plan — Ennis, Montana
Key Risks
- • Furnace overuse in extended winters
- • Altitude affects combustion efficiency
- • Dry air damages ductwork seals
- • Severe hailstorms
- • Heavy snow loads
Schedule
Visual inspection (DIY)(DIY)
Professional ductwork repair & cleaning
Estimated: $300–$1500
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Related Services in Ennis
HVAC System Installation
Install a complete heating, ventilation, and air conditioning system including furnace, air conditioner, ductwork, and thermostat. A major investment that provides comfort for 15-20 years.
HVAC Tune-Up & Maintenance
Professional preventive maintenance for your heating and cooling system. Includes cleaning coils, checking refrigerant levels, inspecting electrical connections, testing safety controls, and replacing filters.
Indoor Air Quality Testing
Professional testing of your home's indoor air for pollutants, allergens, mold spores, radon, VOCs, and carbon monoxide. Identifies hidden air quality issues that affect health and comfort.
Insulation Installation
Install or upgrade insulation in attic, walls, crawl spaces, and basement to improve energy efficiency and comfort. Proper insulation can reduce heating and cooling costs by 20-30%.
Montana Regulations
Building Code: IRC 2018
Seller Disclosure: Sellers of residential property must complete a Seller's Property Condition Disclosure Form.
Natural Disaster Risks: Wildfires, Blizzards, Flooding, Earthquakes