Case Study: How Northline Roofing Went From 12 to 41 Booked Estimates a Month
Northline Roofing is a 6-person crew in the Pacific Northwest that spent $4,800/month on Google Ads and Angi for two years without meaningfully growing. In Q1 2026 they made one change — replacing a contact form with a 24/7 AI lead widget — and booked estimates jumped from a monthly average of 12 to 41. Here's exactly what happened, week by week, with the numbers.
Starting point (December 2025)
Monthly ad spend: $4,800 across Google Ads ($3,200) and Angi ($1,600).
Leads generated: ~140/month (contact form + phone calls).
Booked estimates: 12/month (8.6% booking rate).
Average time to first response: 4 hours 20 minutes.
Owner Ryan was answering the office phone himself between roof jobs — most website leads waited until 6-8 PM for a callback.
Week 1: Installed the AI widget
Replaced the contact form with a chat widget. Set up 3 qualification questions: roof type, approximate age, insurance claim yes/no.
Configured after-hours booking straight into Ryan's Google Calendar with 30-minute buffers.
SMS alert on every qualified lead — Ryan gets full context in his pocket.
Weeks 2-4: Response time collapsed
Average time to first response: 47 seconds (from 4h 20m).
Lead-to-booked-estimate rate climbed from 8.6% to 19%.
Booked estimates in week 4: 22 (vs. baseline of 3/week).
No change in ad spend, no new leads sources — just faster response.
Days 30-90: Compounding effects
Google Ads quality score improved because bounce rate dropped (chat kept visitors on page 3× longer).
Angi 'response time' badge unlocked — Angi promotes fast-responder profiles, increasing organic Angi lead volume 40%.
By day 90: 41 booked estimates/month, average job value $9,200, close rate on booked estimates unchanged at 62%.
The final numbers
Booked estimates: 12 → 41 (+241%).
Cost per booked estimate: $400 → $117 (-71%).
Monthly revenue attributed to web leads: $68,400 → $234,000 (3.4×).
Total tool cost: $49/month.
Northline didn't need more leads or more budget. They needed faster response. Fixing speed-to-lead is the single highest-leverage change a roofing company can make — and it usually costs less than one lost estimate per month.
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