Full Window Replacement
Outdated, inefficient or damaged windows out, new ones in.
- Energy-Efficient Units
- Proper Flashing and Insulation
- Interior and Exterior Finish
- 1 to 2 Days Typical
Window Replacement
in Farmington, MN
Energy-Efficient Windows, Properly Flashed and Insulated, With Exterior Trim Finished to Match
Our Window Services
A Gateway to Natural Light,
A Gateway to Natural Light,
Not a Source of Drafts
Double-Hung & Casement
The two workhorses of Minnesota homes.
- Easy-Clean Tilt Sashes
- Tight Casement Seals
- Traditional or Modern Grids
- Wide Color Options
Sliding & Picture Windows
Big views, low fuss.
- Wide Openings
- Fixed Picture Units
- Slider Convenience
- Combination Layouts
Specialty & Window Walls
Arched, geometric and custom configurations.
- Arched and Round Tops
- Geometric Window Walls
- Clerestory Units
- Custom Sizes
Drafty or Leaking Windows
Repair or replace, and we explain why.
- Drafts and Condensation
- Water Intrusion
- Hail-Damaged Frames
- Honest Recommendation
Trim & Exterior Integration
A finished look that matches the house.
- Exterior Trim and Wraps
- Proper Sealing
- Weather Protection
- Siding Tie-In
#BC805219Minnesota Residential Building Contractor License, verifiable with the MN Dept. of Labor and Industry
Listed with the Better Business Bureau as a residential general contractorFarmington, MNLocally owned and operated. Here year round, not just for storm season.
21 communitiesFarmington and the South Metro, from Northfield up to Minneapolis and St. Paul
Recent work · South Metro
Eight windows in, damaged areas fixed before any of them went in.
Old, inefficient windows lead to drafts, higher energy bills, reduced comfort and tired curb appeal. Replacement only fixes that if the openings are sound and the new units are flashed and insulated properly. So we check and repair the surrounding area first, set each window to spec, and finish the exterior trim so the house reads as one piece.
- Damaged areas repaired before installation
- Proper flashing and insulation on every unit
- Exterior trim finished to match
- Most installs done in 1 to 2 days
“Replaced 8 windows and new siding. They kept us informed throughout the whole process and fixed damaged areas before replacing any windows so we will not have any further issues.”
Jeffrey Weiher · Windows and siding
Comfort you can feel.Fewer drafts, less noise, lower heat loss through the long winter.
What we hold ourselves to
Windows that actually do their job.
Built for Minnesota’s climate
Improved insulation reduces heat loss during long winters and improves year-round comfort. Properly installed energy-efficient windows also cut drafts and noise.
A personalized approach
A detailed consultation to understand your goals, then help selecting windows that complement your home’s architecture: double-hung, casement, sliding, picture or specialty.
Installed properly, not just set in the hole
Proper flashing and insulation on every unit, with exterior trim updated for sealing, weather protection and a finished look.
Clear guidance on efficiency and options
We explain what is included, what trim is involved and what the efficiency choices actually change, before you decide.
No high-pressure sales tactics
A free consultation, a clear written estimate and a plan that fits your home. You decide on your timeline.
Our window process
Five steps to the right windows for your home.
From the first conversation about what is bugging you to the last unit checked at the walkthrough.
Book a free inspection-
Step 1: Detailed consultation
We start by understanding your goals: energy efficiency, unique styles, specific features, or all three.
- Drafts, condensation and operation checked
- Goals and budget discussed
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Step 2: Window selection
Our experts help you choose windows that complement your home’s architecture and style.
- Double-hung, casement, sliding, picture, specialty
- Efficiency options explained
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Step 3: Clear estimate and scheduling
A written estimate covering the windows, trim scope and timeline before any work begins.
- Written, itemized estimate
- Trim scope spelled out
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Step 4: Professional installation
New windows set with proper flashing and insulation, and exterior trim finished to match the house.
- Proper flashing and insulation
- Most installs done in 1 to 2 days
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Step 5: Final walkthrough and cleanup
We check every unit with you, review warranties and leave the house clean.
- Every window operated and checked
- Warranty reviewed with you
Typical timelines
What to expect on timing
Typical ranges once work is scheduled. Size, complexity, weather and, for storm work, the insurance approval process all move the number. Insurance timelines depend on the carrier.
Free inspection or consultation
Same visit
Roof replacement
~1–2 days
Window replacement
~1–2 days
Siding replacement
~7–14 days
01 week2 weeks
Who you will be working with
Brian is on the projects, not behind a desk.
Exterior work is not anonymous. Brian, the owner, is the name that comes up again and again in the reviews homeowners leave: keeping people updated through a job and helping them work through the insurance side of a claim. Derek Gajewski comes up most often in connection with insurance claims and checking in while work is underway. The crews get named too, which does not happen by accident.
“We love Brian and the crew. They are quick, honest and do great work. Never throughout the process were we left not knowing exactly what was going on or what was going to happen.”A South Metro homeowner, in a review
In their words
What homeowners say after the drafts are gone.
“Thank you BN Exteriors for the awesome work on our house! Replaced 8 windows and new siding. They kept us informed throughout the whole process and fixed damaged areas before replacing any windows so we will not have any further issues. Brian, Nate and the rest of the crew worked hard to get the job completed in minimal time.”
“BN Builders recently replaced our roofing and siding as well as rewrapped our window frames. They were extremely efficient, showing up promptly and we are extremely satisfied with their workmanship and love the end results. The job supervisor as well as the owner, Brian, kept us updated throughout the process. Brian went above and beyond and was excellent with helping us continue to work through the Insurance for their portion of coverage due.”
“Brian’s team is great to work with they communicate well and arrive when scheduled workmanship is Top Notch”
“Great builder to work with. Quality workmanship across the board”
Where we install
Based in Farmington. Working the South Metro around it.
Farmington and the South Metro communities around it. Real Minnesota homes in real neighborhoods.
21communities served
Farmingtonhome base, Dakota County
- Farmington
- Lakeville
- Apple Valley
- Rosemount
- Burnsville
- Eagan
- Savage
- Prior Lake
- Inver Grove Heights
- Bloomington
- Eden Prairie
- Chanhassen
- Chaska
- Minnetonka
- Maple Grove
- Woodbury
- Stillwater
- Northfield
- Faribault
- St. Paul
- Minneapolis
Straight answers
Questions people ask before they call.
How long does window replacement take?
Most window installations are completed in one to two days depending on the number of windows and complexity.
Will new windows reduce drafts and noise?
Yes. Properly installed energy-efficient windows significantly improve comfort and noise reduction.
Are energy-efficient windows worth it in Minnesota?
Absolutely. Improved insulation helps reduce heat loss during long winters and improves year-round comfort.
Do you replace interior trim?
Trim requirements vary by project. We explain what is included during your consultation.
Which window style should I choose?
Double-hung, casement, sliding, picture and specialty each suit different rooms and looks. We help you pick styles that complement your home’s architecture and the way you use the room.
Do new windows increase home value?
Quality window replacements often improve resale value, curb appeal and buyer confidence.
Are you licensed and insured?
BN Exteriors, LLC holds Minnesota Residential Building Contractor License #BC805219, issued by the Minnesota Department of Labor and Industry, and is listed with the Better Business Bureau. Verify it with the state before you hire us or anyone else.
Free inspection · no obligation
Let’s talk about the windows.
Drafty, outdated or hard to operate? We come out, look at every opening, and give you expert recommendations and a clear, written estimate. No pressure either way.
Request a free inspection
Fill this out and we will call you back to set up a time. No pressure, no obligation.