Smoke & CO Detector Installation in Ennis, MT
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Cost Range
$75–$300
Local Pros
32 available
Overview
Install or replace smoke detectors and carbon monoxide detectors throughout your home. Includes hardwired interconnected systems where one alarm triggers all units, plus battery backup.
Ennis Climate Considerations (mixed dry)
Common Signs You Need Smoke & CO Detector Installation
- • Detectors chirping or beeping
- • Detectors older than 10 years
- • Missing detectors in bedrooms
- • No carbon monoxide detectors
- • Moving into a new home
- • Failed home inspection
Smoke & CO Detector Installation Cost in Ennis
Low
$75
Average
$188
High
$300
DIY vs. Call a Pro
Battery-operated detectors are simple to install with screws or adhesive mounts. Place smoke detectors on every level, inside each bedroom, and outside sleeping areas. CO detectors go near bedrooms and fuel-burning appliances.
Call a professional when:
Call an electrician for hardwired interconnected systems, if your code requires hardwired detectors, or if you need new wiring run to detector locations.
Electricians in Ennis
Sublime Electric, LLC
Bozeman, MT
(406) 209-8411Cu Electric, LLC
Bozeman, MT
(406) 210-1608Allied Electric
Bozeman, MT
(406) 388-0048Energy 1
Bozeman, MT
(406) 587-2917Founding 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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Smoke & CO Detector Installation
Date
April 2026
Cost
$188
Vendor
Your local pro
Warranty
10-year material warranty
Ennis average: $75–$300
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
10-year material warranty
Auto-Checkup Created
"Detector Test" — every 6 months
Property Health Score
Good
electrical category +15 pts(72 → 87)
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
- • Severe hailstorms
- • Heavy snow loads
Schedule
Visual inspection (DIY)(DIY)
Professional smoke & co detector installation
Estimated: $100–$400
Plan for full replacement
Estimated: $300–$1,200
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Smith & Sons
Connectedelectrician
J&R Home Services
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Comprehensive evaluation of a home's major systems and structural components performed by a certified inspector. Covers roof, foundation, electrical, plumbing, HVAC, insulation, windows, doors, and visible structural elements. Essential for buyers, sellers, and homeowners seeking a clear picture of their property's condition.
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