Window installer
Also known as: window installation team worker, window fitter, window installation team member, window technician
About this occupation
Window installers place windows into structures and service them. They take out old windows if present, prepare the opening, mount the window, and attach it in place plumb, straight, square and watertight.
Essential skills and knowledge
- use shims
- manipulate glass
- cut insulation material to size
- install sill pan
- apply insulation strips
- cut house wrap
- follow health and safety procedures in construction
- use measurement instruments
- set window
- use safety equipment in construction
- apply spray foam insulation
- apply proofing membranes
Typical tasks and preparation
From the related US occupation profile Manufactured Building and Mobile Home Installers (O*NET 49-9095.00). Linked by an official crosswalk: related, not identical; details vary by country.
- Move and set up mobile homes or prefabricated buildings on owners' lots or at mobile home parks.
- Seal open sides of modular units to prepare them for shipment, using polyethylene sheets, nails, and hammers.
- Repair leaks in plumbing or gas lines, using caulking compounds and plastic or copper pipe.
- Connect water hoses to inlet pipes of plumbing systems, and test operation of plumbing fixtures.
- List parts needed, estimate costs, and plan work procedures, using parts lists, technical manuals, and diagrams.
- Install, repair, and replace units, fixtures, appliances, and other items and systems in mobile and modular homes, prefabricated buildings, or travel trailers, using hand tools or power tools.
- Typical education (US)
- Less than a High School Diploma
- Preparation
- Job Zone 2 of 5
- Interests
- Realistic, Conventional, Investigative
Top skills: Critical Thinking, Operation and Control, Quality Control Analysis, Operations Monitoring, Monitoring, Coordination
US median pay: US$45,990 a year (2025), 3,020 employed. Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics.
Subjects this work relies on
How important each subject's knowledge is in the job itself, rated by people doing it (1 to 5).
- WoodworkO*NET: Building and ConstructionVery important (4.4)
- Technical DrawingO*NET: DesignVery important (3.8)
- Design and TechnologyO*NET: Design + Engineering and TechnologyVery important (3.7)
- Mathematics or StatisticsO*NET: MathematicsVery important (3.6)
- MetalworkO*NET: MechanicalVery important (3.5)
- Government and PoliticsO*NET: Law and GovernmentImportant (3.3)
- English or Literature in EnglishO*NET: English LanguageImportant (3.3)
O*NET data describe work in the United States; requirements differ by country. This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. CareerProof Global has modified all or some of this information; USDOL/ETA has not approved, endorsed, or tested these modifications.
Preparation needed
Job Zone 1-2: Very Little to Some Preparation Needed
- Most common education (US)
- Less than a High School Diploma
- Education
- Usually requires a high school diploma or GED, though some occupations may not.
- Experience
- Some occupations may need little or no previous experience; others require several months to a year of experience. For example, landscaping and groundskeeping workers might require very little training or previous experience, while agricultural equipment operators can benefit from on-the job training.
- Training
- Ranges from a few days to one year of on-the-job training.
O*NET data describe work in the United States; requirements differ by country. This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. CareerProof Global has modified all or some of this information; USDOL/ETA has not approved, endorsed, or tested these modifications.
Related occupations
Occupations O*NET links to this one by similar work, skills and knowledge.
- Aircraft Structure, Surfaces, Rigging, and Systems Assemblers
- Carpenters
- Millwrights
- Structural Iron and Steel Workers
- Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters
- Plumbers, Pipefitters, and Steamfitters
- Helpers--Installation, Maintenance, and Repair Workers
- Mobile Heavy Equipment Mechanics, Except Engines
- Structural Metal Fabricators and Fitters
- Construction Laborers
O*NET data describe work in the United States; requirements differ by country. This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. CareerProof Global has modified all or some of this information; USDOL/ETA has not approved, endorsed, or tested these modifications.