Free service calls feel generous until you add up the trucks, fuel and hours spent on visits that never turn into work. Here is how to charge a trip or diagnostic fee customers accept.
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The cost of free service calls
Every time a technician drives to a home, diagnoses the problem and leaves without a job, the company pays for the truck, the fuel and an hour or more of labor. Many service businesses offer free estimates out of habit and then wonder why their busiest weeks are not their most profitable.
Trip fee vs. diagnostic fee
A trip fee covers getting a technician to the property. A diagnostic fee covers the time and expertise to find what is wrong. Some companies charge one, some charge both, and many credit the fee toward the repair if the customer goes ahead.
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When to charge
- Repairs that require testing and troubleshooting, like HVAC, appliance, electrical and plumbing.
- Calls outside your main service area.
- After-hours and weekend visits.
Large replacement projects with a clear scope can still have free estimates, since the job value covers the visit.
How to set the amount
Start with your real cost of a visit: average drive time, labor cost per hour and vehicle cost. The fee does not need to cover everything, but it should stop you from losing money on calls that go nowhere. Check what competitors charge so your number makes sense locally.
How to explain it on the phone
Say it clearly before booking: "Our technician visit is $89. That covers the diagnosis, and if you go ahead with the repair, we apply it to the job." Customers accept a fee they hear upfront. They resent one that shows up on the invoice.
The fee filters the right customers
A small fee reduces calls from people collecting free opinions or comparing five companies. The customers who book are more serious, and your technicians spend more time on jobs that turn into revenue.
Track what changes
Compare the month before and after: number of calls booked, percentage that became paid jobs and revenue per technician hour. If bookings drop a little but profit per call rises, the fee is working.
Mistakes to avoid
Do not hide the fee in small print, do not charge it to a customer you told was "free", and do not let each technician decide whether to waive it. Waive it only by a clear rule, such as for members of your maintenance plan or when the visit was caused by your own earlier work. Consistency is what makes the fee feel fair.
Price every call so it pays.
We help service businesses set clear policies, book better jobs and turn more calls into profitable work.
Frequently asked questions
Should a service business charge a diagnostic fee?
For repairs that need troubleshooting, a diagnostic fee usually makes sense. It covers the technician's time and filters out people collecting free opinions. Many companies credit it toward the repair if the customer goes ahead.