The challenge
Technicians completed check sheets on site, but the records still had to return to the office, be filed in building binders and be retrieved before someone could use the history.
Customer story · Commercial and institutional plumbing & HVAC
How Apex Uses ServiceBox for Commercial HVAC Service and Faster Billing
Apex Plumbing & Heating serves commercial and institutional customers across plumbing, heating, cooling and ventilation. Jon Selinger describes how field work orders, equipment history and safety documentation keep service moving—and how faster invoice preparation supports cash flow.
“I try to invoice daily because it expedites cash flow.”
About 90%Paperwork done on siteJon’s estimate of field paperwork completed on site
DailyInvoicing aimCompleted work orders let Jon review invoices throughout the day
ReusableEquipment knowledgeDiagrams and service notes available for the next visit
Executive summary
Commercial service built on equipment knowledge and customer relationships
Apex serves commercial and institutional customers across plumbing, heating, cooling and ventilation, from failed boilers and building floods to recurring maintenance and equipment replacement. Jon runs day-to-day operations, coordinating technicians with different mechanical specialties. ServiceBox helps the team carry field knowledge from one visit to the next and move completed work into invoice review.
Explore commercial HVAC field service software →The operational change
What changed after adopting ServiceBox
The change was not simply completing paperwork on site; Apex already did that on paper. It was making those records available to the office and the next technician without manually filing and retrieving building binders.
The ServiceBox response
Technicians enter time, materials, service notes and checklists in ServiceBox. Saved information becomes available to the office without the same paper-filing process.
The business impact
Jon can generate and review invoices from the completed field record, then pass them to the office for processing and sending. He identifies faster billing as an important benefit to Apex’s cash flow.
The workflow in ServiceBox
From complete field records to faster billing and better-informed service
Jon’s examples show how the team uses ServiceBox in day-to-day commercial work, while keeping its own review and approval steps.
Faster invoice preparation, without giving up billing control
Apex’s technicians complete their work orders with time, materials, service notes and checklists. They do not generate invoices on site: Jon retains that review because pricing and markups can differ between jobs. With the field details already recorded, he can generate an invoice, check it and pass it to the office for accounting and sending.
Jon aims to invoice daily and can review completed jobs during available moments throughout the day. He identifies this faster movement from finished work to billing as an important benefit to cash flow—not a measured increase in money earned.
Technician completes work order → Jon generates and reviews invoice → Office processes and sends invoice
Explore ServiceBox quoting and invoicing →
ServiceBox product example: invoice details.
ServiceBox product example: recurring work.
Why recurring maintenance matters beyond the scheduled visit
Jon estimates that recurring maintenance represents approximately 10–15% of Apex’s overall business. Its importance extends beyond the maintenance visit: regular checks help Apex understand equipment, identify developing problems and build the relationship customers rely on when they need service or replacement work. That relationship can lead to follow-on work, but Jon is clear that it does not guarantee those jobs.
ServiceBox supports the information behind subsequent visits by keeping equipment details, maintenance checklists and service history available to the team.
Explore preventative maintenance software →Finish the field record where the work happens
Jon estimates that technicians complete about 90% of job paperwork on site. They also completed paper forms in the field before ServiceBox; the improvement is that saved digital notes and checklists become available to the office without returning, filing and retrieving building binders. Apex’s policy is to close the work order when the service call is complete.
ServiceBox product example: work orders.
Equipment knowledge and service continuity
The next technician does not have to start from scratch
Find the wiring diagram once
When a technician finds a missing wiring diagram online or obtains it from a vendor, they save it against the equipment at the customer’s site. The next technician can access the diagram without repeating the search, whether the next visit is a week or a month later.
Use previous faults to prepare for the visit
Jon describes technicians checking a unit’s recent service history before heading to a call. If previous visits show recurring filter-related faults, they can bring a filter with them rather than discovering the problem on arrival and driving across town for a part.
Continue the diagnosis instead of repeating it
For intermittent equipment problems, a technician can see what colleagues checked and ruled out on previous visits. That history provides a starting point for the next investigation instead of leaving each technician to reconstruct the same work from scratch.
Explore customer, site and equipment records →Keep room for emergency commercial service calls
Jon deliberately leaves an open block in the schedule for urgent calls. When an emergency arrives, he can review availability, move less urgent work and update the technician’s assignment. Phone and text communication remain part of coordinating the response; the software does not replace those conversations.
Keep job safety records with the work they document
Apex attaches job hazard assessments and fall-protection plans to the relevant work orders. When a customer asks for an assessment from a previous visit, Jon can retrieve it from that job. The company also uses a separate internal safety job site in ServiceBox for vehicle and equipment inspection records, alongside its broader safety program.
Validated by ServiceBox customers
What commercial service teams say about ServiceBox.
★★★★★5-star review
“I love that everything is in one location & we've gone completely paperless.”
★★★★★5-star review
“It has proven easy for our Technicians and Admin team to utilize and our Customers get a great end product too.”
★★★★★5-star review
ServiceBox is easy to use, highly configurable and supported by a friendly team that continues to check in.
Capterra and Software Advice share a Gartner Digital Markets review pool, so their review counts are not combined. Summarized reviews are clearly labelled.
Your questions answered
Questions about Apex’s commercial HVAC workflow
How does ServiceBox help Apex prepare commercial HVAC invoices faster?
At Apex Plumbing & Heating, technicians record time, materials, service notes and checklists in ServiceBox before closing their work orders. Jon Selinger then generates and reviews each invoice before passing it to the office for processing and sending. He aims to invoice daily and identifies faster billing as an important benefit to Apex’s cash flow.
How does Apex use equipment history to avoid repeating work?
Apex’s technicians use ServiceBox to review previous service notes, wiring diagrams and diagnostic findings for specific equipment. That history helps them prepare for visits and see what another technician has already checked. Jon describes examples such as bringing a likely replacement filter and reusing a saved wiring diagram instead of searching for it again.
How does ServiceBox support Apex’s recurring HVAC maintenance work?
Apex uses ServiceBox to keep maintenance checklists, equipment information and service history available to its team. Jon explains that recurring maintenance helps Apex understand customers’ equipment and identify potential repair or replacement needs. The resulting records provide context for later visits, supporting continuity between scheduled maintenance and follow-up service.
How does Apex manage emergency HVAC calls alongside scheduled work?
Jon deliberately leaves capacity in Apex’s schedule for urgent service calls. Using ServiceBox, he can review availability and move less urgent assignments when an emergency needs attention. He combines schedule updates with direct communication so technicians know where to go and what has changed.
Can commercial HVAC safety documents stay with the work order?
At Apex, job hazard assessments and fall-protection plans are attached to the relevant ServiceBox work orders. When a customer requests documentation from a previous visit, Jon can retrieve it from that job’s record. This supports Apex’s safety documentation process without replacing its broader safety responsibilities.
About this customer story: Based on an interview with Jon Selinger of Apex Plumbing & Heating, conducted by Tim at ServiceBox. Reported estimates and experiences reflect the interview and are not independently audited results.
See the complete workflow
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Bring a service call, recurring maintenance agreement or completed work order. We’ll show you how scheduling, equipment history, field documentation and invoice review can stay connected.