Labor is the single largest expense for every HVAC service company — typically 45-60% of total revenue. Yet most HVAC businesses have shockingly poor visibility into how that labor is actually spent. Technicians self-report hours on paper timesheets that are filled out at the end of the day (or end of the week), rounded to the nearest quarter-hour, and contain no breakdown of productive vs. unproductive time. The result: you're paying for 40-50 hours per tech per week but only billing 22-30 of those hours. The other 10-28 hours disappear into windshield time, parts runs, callbacks, paperwork, and time that simply can't be accounted for.
Precision time tracking changes the economics of HVAC labor. When you know exactly how each technician spends every hour — travel time vs. on-site time, wrench time vs. admin time, first visit vs. callback — you can make decisions that recover 15-25% of lost productivity without hiring a single additional tech. Oxmaint's labor management platform captures time at the work order level with GPS verification, breaks labor into billable categories automatically, and gives service managers the analytics to optimize scheduling, reduce callbacks, and increase revenue per technician by $30,000-$75,000 per year.
Where HVAC Labor Hours Actually Go
The gap between hours paid and hours billed is the single largest profit leak in HVAC service operations. Without work order-level time tracking, this gap remains invisible. Here's the typical breakdown of a 45-hour technician week:
The 6 Labor Leaks Oxmaint Eliminates
Each of these labor leaks is invisible without work order-level time tracking. Oxmaint makes them visible, measurable, and fixable:
Timesheet Inflation
Paper timesheets average 15-25% inflation vs. actual hours worked. Techs round up, pad travel time, and estimate rather than record. GPS-verified clock-in/out eliminates guesswork.
Excessive Windshield Time
Poor dispatching sends techs across zones when a closer tech is available. Average HVAC tech drives 45-90 minutes/day more than necessary. Smart dispatch cuts this by 25-40%.
Unbilled Parts Runs
Techs leaving job sites for parts that should have been on the truck. Each parts run wastes 45-90 minutes of billable time. Proper truck stocking and parts forecasting prevents 60-80% of mid-job runs.
Callback Rework
Industry average callback rate: 8-15%. Each callback costs $200-$400 in labor plus customer dissatisfaction. First-visit completion checklists and diagnostic protocols cut callbacks by 30-50%.
Paper Paperwork
Handwritten invoices, paper work orders, manual data entry at end of day. Average tech spends 30-60 minutes/day on paperwork that mobile digital workflows complete in 5-10 minutes.
Unbilled Diagnostic Time
Techs spend 15-45 minutes diagnosing problems but only bill for the repair. Without time capture per activity, diagnostic labor is given away free on 30-50% of service calls.
Every Hour Tracked. Every Dollar Accounted. Every Tech Optimized.
Oxmaint captures labor at the work order level with GPS verification, categorizes time automatically, and gives managers the analytics to recover 15-25% of lost productivity across the entire workforce.
How Oxmaint Captures & Categorizes Technician Time
Time tracking that doesn't add work for technicians — that's the design principle. Oxmaint captures time passively through the work order lifecycle, requiring minimal tech interaction:
Dispatched
Work order assigned. GPS confirms tech location. Travel clock starts automatically when tech acknowledges dispatch and begins driving toward the job site.
Arrived
GPS geofence confirms arrival at customer location. Travel clock stops. On-site clock starts. Tech taps "Arrived" or system auto-detects via geofence.
Working
Tech logs activity type: diagnostic, repair, installation, PM, or inspection. Multiple activities per work order captured separately. Parts usage logged against the same work order.
Complete
Work order closed. Customer signature captured on-screen. On-site clock stops. Invoice generated automatically from logged time and parts. Next dispatch begins travel clock for following job.
Labor Analytics Dashboard: What Managers See
Raw time data is useless without analysis. Oxmaint transforms time capture into actionable labor intelligence that drives daily dispatch decisions and weekly performance reviews:
Technician Utilization Rate
Target: 70-80%Billable on-site hours ÷ total paid hours per tech per week. The single most important labor productivity metric. Sorted by technician to identify top performers and coaching opportunities. Industry average: 55-65%. Best-in-class: 75-82%. Oxmaint users average 72% within 6 months.
Average Job Duration by Type
How long each service type actually takes vs. how long it's quoted. Identifies jobs consistently running over estimate (pricing problem) or under (upsell opportunity). Tracks by equipment type, brand, and age.
Travel Time per Call
Average drive time between jobs per tech, per zone, per day. Identifies dispatch inefficiencies: techs consistently driving 40+ minutes per call when zone average is 20. Feeds directly into dispatch optimization.
Callback Rate by Technician
Percentage of completed jobs requiring a return visit within 30 days. Tracked by tech, job type, and equipment brand. High callback techs get targeted coaching. High callback equipment types get updated diagnostic protocols.
Revenue per Tech per Day
Total billed labor + parts revenue per technician per day. The ultimate performance metric. Combines utilization, call count, average ticket, and upsell performance into one number. Target: $1,200-$2,500/day depending on market and service type.
Overtime Forecast
Real-time cumulative hours per tech with projected week-end total based on remaining scheduled jobs. Alerts dispatchers when a tech is trending toward overtime so remaining work can be redistributed to lower-hour technicians.
Payroll Integration: From Time Capture to Paycheck
Oxmaint's time data flows directly into payroll processing, eliminating the manual transcription that creates errors and delays. Here's the payroll integration workflow:
Time Capture
GPS-verified clock-in/out per work order with activity categorization. Overtime auto-calculated based on company rules (daily >8 hrs, weekly >40 hrs, or state-specific thresholds). Break deductions applied per labor law requirements.
Manager Review
Weekly timesheet review dashboard. Managers approve, adjust, or flag discrepancies. Anomalies auto-highlighted: unusually long jobs, clock-in without GPS at job site, gaps between work orders exceeding 45 minutes. Batch approval for clean timesheets.
Payroll Export
Approved timesheets exported in formats compatible with QuickBooks, ADP, Gusto, Paychex, and other payroll platforms. Regular hours, overtime, PTO, and job-cost allocations broken out per payroll system requirements. Eliminates 2-4 hours of weekly manual data entry.
Turn Labor Data Into Labor Profit
Oxmaint gives HVAC service managers the visibility to recover 15-25% of lost productivity, reduce overtime by 20-35%, and increase revenue per technician by $30,000-$75,000 per year — all from data you're already generating but not capturing.
Frequently Asked Questions
Will technicians resist GPS-verified time tracking?
Initial pushback is common, but it fades within 2-4 weeks when framed correctly. Position it as a tool that protects technicians: GPS proves they were on-site when a customer disputes an invoice, verifies arrival times for warranty documentation, and provides evidence in case of an accident or injury. Companies that tie utilization data to performance bonuses (e.g., bonus for maintaining 75%+ utilization) see the fastest adoption because top performers welcome objective data that demonstrates their value. Within 60 days, most techs prefer the system because it's faster than filling out paper timesheets.
How accurate is GPS-based time tracking?
GPS geofencing is accurate to 15-30 feet, which is more than sufficient for HVAC job site verification. The system uses the technician's mobile phone GPS combined with configurable geofence radii (default: 150 feet around the job address). When the tech enters the geofence, arrival is recorded. When they leave, departure is recorded. For sites where GPS is unreliable (large commercial buildings, underground mechanical rooms), techs can manually clock in with a timestamp that managers can verify against building access logs or other records.
Can we track time for flat-rate and time-and-materials jobs differently?
Absolutely. Oxmaint supports multiple billing models simultaneously. For T&M jobs, actual time is captured and billed at your hourly rate. For flat-rate jobs, time is still captured for internal costing purposes (so you know your actual labor cost per flat-rate task) but the customer sees only the flat-rate price. This dual tracking is critical for flat-rate companies because it reveals which tasks are profitable vs. money-losing at current flat-rate prices, enabling data-driven pricing adjustments.
How does Oxmaint prevent avoidable overtime?
The dispatch dashboard shows real-time cumulative hours per technician with a projected week-end total based on remaining scheduled work. When a tech is trending toward overtime (e.g., 36 hours on Wednesday afternoon), the system flags them and suggests reassigning remaining jobs to techs with lower hour counts. Managers can set thresholds (e.g., alert at 35 hours) that trigger automatic dispatch warnings. Companies using this feature typically reduce avoidable overtime by 20-35%, saving $1,500-$4,000 per tech annually at 1.5x pay rates.
What payroll systems does Oxmaint integrate with?
Oxmaint exports approved timesheets in standard formats compatible with QuickBooks (Desktop and Online), ADP, Gusto, Paychex, Paycom, and generic CSV for any other payroll system. The export includes regular hours, overtime hours, PTO, and job-cost allocations per technician per pay period. Most companies eliminate 2-4 hours of weekly manual payroll data entry immediately. For companies using QuickBooks, the integration also syncs invoiced labor to customer accounts for seamless job costing.







