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Case Study - HVAC Service Business

How David Doubled Incoming Work Without Hiring More Salespeople

Residential HVAC contractor could not afford dedicated sales staff. The system captured leads falling through the cracks - doubling booked appointments with the same crew.

Residential HVACB2CRepair and Maintenance
2.12x
Appointments Booked
$72,417
Sales Hire Costs Avoided
<60s
Lead Response Time
66 days
Full Deployment
The Situation

Project Overview

David runs a residential HVAC service business with 6 technicians. Before Markster, he and his office manager handled all lead response manually between service calls. They booked 50-60 appointments monthly but knew they were losing opportunities - calls to voicemail during busy hours, web leads sitting unanswered for 4-6 hours, follow-ups forgotten when jobs ran long.

David tried hiring 3 part-time salespeople over 18 months. The math never worked. Summer call volume justified payroll, but slow winters meant paying people to sit around. He could not afford full-time staff, and part-time people were inconsistent - high turnover, constant training, still missing leads.

Key Challenges

  • 2-6 hour average response time (vs. industry standard of under 5 minutes for conversion)
  • 75%+ of inbound leads never received second follow-up
  • No consistent process - results varied by who answered
  • Could not justify sales hire costs, growth meant more missed opportunities
How We Did It

Execution

Markster deployed the three-component system in 66 days:

Week 1
Documented David's sales workflows into 4 playbooks (Emergency Service Response, Routine Maintenance Booking, Quote Follow-Up, Seasonal Campaign). Captured his 15 years of HVAC sales experience into executable processes.
Weeks 2-3
Deployed execution software. All lead sources - phone, web forms, Google Local Services - fed into one CRM. Scheduling connected to technician calendars. Follow-ups automated based on lead behavior and urgency.
Weeks 3-9
Activated AI Workers for lead response and qualification. AI handled first-touch on 90% of inquiries. David's team confirmed appointments and handled complex situations.
Week 10
Full handoff. AI running 24/7 lead response in under 60 seconds. Humans focused on judgment calls only.
The Outcome

Results

David now books 100-110 service appointments monthly - double the previous 50-60. The increase came from capturing the 75%+ of leads that previously fell through due to slow response and forgotten follow-ups.

AI responds to every inquiry in under 60 seconds. Homeowner submits web form at 9 PM - AI qualifies and books next available slot immediately. Someone calls during busy afternoon - AI handles it while David is on a job site. Leads that used to sit for hours now convert into booked appointments.

David avoided hiring 3 salespeople at ~$72K annual payroll cost. The 6 technicians stay focused on service delivery - showing up to pre-qualified appointments, not answering phones between jobs. The system handles seasonal swings automatically - 150+ July inquiries and 40 January inquiries get identical instant response.

100-110
Monthly appointments
<60s
Response time
95%+
Follow-up rate
$72K
Payroll costs avoided
In His Words

What David Says

David, President at Comfort Air
"Markster does what 3 salespeople used to do. Same crew, double the work coming in."
David, President at Comfort Air

David went from manually juggling leads between service calls to running a system that captures every opportunity. The business scales with demand automatically - no hiring decisions, no seasonal payroll gambles.

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