Big window companies mail "buy one, get one" offers every month. A local flyer that looks like theirs gets tossed with theirs.
Window play · Postcards
Window replacement postcards that know what's in the frame.
National window brands mail the same discount to every house, whether it was built last year or in 1979. Spur writes a card for each home that names its build year and the window type it likely still has, prints it, mails it USPS first-class, and alerts you the moment the owner scans.
Free forever plan · No card · 20 property searches a month
USPSFirst-Class
Dana Whitaker10418 Glenwood StOverland Park, KS 66212Scan to book an assessment
Dana W. scanned your window assessment card · 6 min ago
AI-written for this owner · Mailed in 2 days
Build yearon every card, so the window era fits the home
QR per houseso every scan has a name and address
2 daysfrom approval to USPS first-class
The problem
Window mailers all look the same, and homeowners have learned to ignore them.
Carrier-route mail reaches 2018 builds with new low-E glass and renters who can't approve a $12,000 project.
Window buyers take months to decide. A phone number tells you nothing about the owners who looked and set the card aside.
How it works
From list to mailbox in one workflow.
Five steps from a blank card to a booked window assessment.
app.usespur.com
See it in Spur
A window postcard list in Spur
Sample Overland Park homes built 1985–1996, owner-occupied and owned 10+ years. Names are partly masked.
Zip 66212Owner-occupiedBuilt 1985–1996Owned 10+ yrsSingle-family
- Dana W.10418 Glenwood StBuilt 1991 · 2,240 sq ftLikely original windowsOwned 19 yrs
- Phil & Rhonda K.10502 Glenwood StBuilt 1990 · 2,610 sq ftOwned 27 yrs
- Marisol T.9817 Hemlock DrBuilt 1987 · 1,960 sq ftLikely original windowsPatio slider
- Greg & Ann L.9903 Hemlock DrBuilt 1988 · 2,380 sq ftOwned 15 yrs
- Sam O.11120 Lowell AveBuilt 1994 · 2,720 sq ftLikely original windows2-story
AI draft for Dana W. · 10418 Glenwood St
Hi Dana,
Homes on Glenwood Street were built around 1991, and most of them still have their original double-pane windows. After 25 to 30 years, the seals between the panes commonly fail. You'll see it as fogging or haze that won't wipe off, and the window loses most of its insulating value.
Not every window fails at once. Our free assessment checks each window and door, shows you which ones are losing the most, and gives you a written price for replacing only those, or all of them, so you can plan.
We're a local company with our own installers, and we don't do same-day signing deals. Scan the code to pick a time.
Kevin Marsh · Prairie Window & Door · (913) 555-0148
Sample data for illustration. Your results depend on your market and filters.
Playbook
How to write and target window replacement postcards
Window replacement is one of the most heavily mailed categories in home improvement. National brands send discount offers to entire zip codes month after month, so homeowners have a strong mental picture of what a window mailer looks like, and most of them go straight to recycling. A local company wins attention by being specific about the house and honest about the offer.
Start with build year, because it tells you what's probably in the frame. Homes built before about 1980 often still have single-pane glass, aluminum frames, or wood windows with storm panels, and they show the biggest gains in comfort. Homes built from roughly 1980 through the late 1990s usually have first-generation double-pane units, and after 25 to 30 years their seals commonly fail, letting the insulating gas escape and fogging the glass. Add owner occupancy and 10 or more years of ownership to find homes most likely to still have original windows.
Then write to that era. "Homes on Glenwood went up in 1991" tells the owner you know their house. A one-line explanation of seal failure, and what fogging between the panes means, is more persuasive than a percentage-off headline. Spur's AI writes those details into each card from the parcel record.
Lead with comfort. The Department of Energy estimates that heat gain and loss through windows account for roughly 25 to 30 percent of residential heating and cooling energy use, but homeowners feel it as drafts, cold rooms, condensation, and street noise. Name those experiences.
Keep the offer honest. A free assessment that tells the owner which windows actually need replacing builds more trust than a same-day price that expires at midnight. Don't promise a federal tax credit: the 25C energy efficiency credit ended for windows and doors placed in service after 2025. Local utility rebates may still apply, so check before you mention them.
Finally, mail more than once. Many owners scan a window card months before they buy, waiting for a bonus, a tax refund, or the end of winter. Re-mail non-responders each spring and fall so your name is the one they remember when they're ready.
10×+return on a year of Spur Team from one $10,000 window project
One window project pays for years of Spur.
- Spur Team: $49/mo billed annually = $588/yr
- 600 postcards on Team at $0.94 each = $564
- One 10-window project at ~$1,000 per window installed ≈ $10,000
Example math. Your pricing and close rate will vary. Run your own numbers →
One tool, not four
Spur vs. the usual window mailer
What you needThe usual waySpur
Homes filtered by build year and ownershipEvery door on the carrier route✓ Built in
Copy names the home's window eraPercentage-off headline✓ Built in
A QR code per householdPhone number only✓ Built in
Know who scanned, by nameWait for the phone to ring✓ Built in
Re-mailed spring and fall automaticallyOne drop, then nothing✓ Built in
Postcards by the numbers
Why window era is the best targeting signal
25–30%
of residential heating and cooling energy use is due to heat gain and loss through windows
Pre-1978
homes require an EPA lead-safe certified firm for window work that disturbs painted surfaces
10×+
return on a year of Spur Team from one $10,000 window project
FAQ
Window postcard questions
What should a window replacement postcard say?
Name the street and the home's build year, explain plainly what that era's windows usually suffer from, and offer a free assessment. Add a QR code and a phone number.
Who should I send window postcards to?
Owner-occupied homes built before about 2000 and owned 10+ years. Pre-1980 homes often have single-pane or aluminum windows; 1980s and 1990s homes often have failing double-pane seals.
How do local window companies compete with national brands in the mailbox?
Be specific and calm. A card about the owner's actual house, with an assessment instead of a same-day discount, stands apart from the stack of national offers.
Can I still mention the federal tax credit for windows?
No. The 25C energy efficiency home improvement credit ended for windows and doors placed in service after December 31, 2025. Check local utility rebates instead.
Keep exploring
Related plays and guides
Start in minutes. No card required.
Be the local window company they actually remember.
Build a list of homes by window era and mail your first assessment card this week. Free to start.
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