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← All case files · Case file 012 · AI receptionist · Representative engagement
Lake Effect Plumbing Minneapolis, MN

Lake Effect Plumbing
rides out the polar vortex without breaking.

Minneapolis plumbing outfit gets crushed every January when temps drop to -30°F and pipes start bursting. Phones ring 5×. Past years they paid 1.5× overtime to office staff. This year they let the AI receptionist absorb the spike. Zero overtime spend. Zero missed calls.

Section A · Intake
Trade
Plumbing · res & emergency
Service area
Twin Cities + suburbs
Engagement
Bundle + AI receptionist
Length
3 months · Q1 cold-snap window
Section B · Metrics
0
Missed calls, peak week
$8,400
OT savings, single cold snap
1,140
Calls handled by AI in 7 days
417
Burst-pipe jobs booked that week
94%
Caller satisfaction (post-call survey)
<3s
Avg pickup time
Section C · Engagement timeline
  1. T/01
    Week 0 · pre-cold
    Cold-snap drill

    Loaded AI with seasonal scripts, emergency protocols (burst pipes, frozen lines, sewer freeze), and same-day-vs-tomorrow triage rules.

  2. T/02
    Day 1 of vortex
    Spike hits

    Calls jumped 6× normal. AI absorbed the entire wave. First emergency text to owner came at 4:13am — beat the office opening by 4 hours.

  3. T/03
    Day 3
    Surveillance

    Owner spot-checked 50 random call recordings. AI booking accuracy 94%, customer tone overwhelmingly positive.

  4. T/04
    Day 7
    Post-mortem

    1,140 calls handled, 417 jobs booked, $0 in office overtime. Owner texted us: "this paid for the next decade of subscription."

  5. T/05
    Month 3
    Now baseline

    AI receptionist is now the default first-line for all calls year-round, not just cold snaps.

Section D · In their words
"Last polar vortex I paid my office manager $8,400 in overtime to answer phones for 7 days. This year the AI did it and didn't complain once. Best $197 I spend."
PS
Pat S.
Owner · Lake Effect Plumbing · Minneapolis
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