How to Keep a Service History for Customer Equipment
Why technicians arrive without the history
Service businesses look after equipment they do not own: boilers, air-conditioning units, lifts, kitchen machines. The technician who arrives today rarely knows what was done last time, whether the unit is still under warranty, or that it was flagged for replacement.
Without a history per unit, faults are diagnosed from scratch, warranty work is billed when it should not be, and the customer is told different things by different technicians. When a customer has several sites and many units, nobody can say which ones are due for service.
An equipment register at each site, linked to every job, gives each unit its own history and makes the next visit faster and more accurate.
Why this happens
- Equipment is described in free text on the job.
- Serial numbers and warranties are not recorded.
- Work history is spread across old job sheets.
- Service due dates are tracked in a spreadsheet.
- Customer equipment lists are typed in by hand.
Biznsbook addresses this through equipment register per site, equipment linked to jobs, custom fields on equipment, import of sites and equipment on the Field Service job card, with invoices, payments and equipment on the same records.
Small gaps in field work rarely fail loudly. They show up later as numbers nobody can explain. Recording each step where it happens removes the guesswork.
Step-by-step: Keep a Service History for Customer Equipment
Written for owners, office staff and technicians of trades and service businesses using Biznsbook Field Service.
- Add the customer site. Make sure the customer and their site exist, so equipment can be placed at the right address.
- Record the equipment. Open Field Service → Customers & equipment → Assets and add equipment at the site: type, make, model, serial, install date, warranty, location on site, status and next service due.
- Link a serial you sold. Equipment can be linked to a serial you sold, so the warranty shows on the record.
- Link it to jobs. Link the equipment to a job to record the work done, the condition and readings.
- Add your own fields. In Set-up → Custom fields, add text, number, date, list or tick-box fields for equipment; they appear on the equipment form.
- Import an existing list. On Assets choose Import; Data Import opens with the template. Equipment is matched by site and serial number, or name when there is no serial, so importing again updates instead of duplicating.
- Retire old units. Set the status to retired when a unit is replaced, so its history stays but it drops out of active lists.
Review results after the first full weekly cycle. Adjust roles, mappings, or approvals where the same exception repeats.
Screen-level flows live in the Help Center. This guide focuses on the business process; help articles cover click-by-click navigation.
Common mistakes to avoid
- Mistake 1: Equipment is described in free text on the job. Repeating this each month usually shows up first in work billed late, twice or not at all.
- Mistake 2: Serial numbers and warranties are not recorded. Repeating this each month usually shows up first in work billed late, twice or not at all.
- Mistake 3: Work history is spread across old job sheets. Repeating this each month usually shows up first in work billed late, twice or not at all.
- Mistake 4: Service due dates are tracked in a spreadsheet. Repeating this each month usually shows up first in work billed late, twice or not at all.
- Mistake 5: Customer equipment lists are typed in by hand. Repeating this each month usually shows up first in work billed late, twice or not at all.
Each of these turns into a question the office cannot answer quickly. Fix the process on the record rather than in email threads or spreadsheets.
Best practices that hold up as you scale
- Add the customer site — Make sure the customer and their site exist, so equipment can be placed at the right address.
- Record the equipment — Open Field Service → Customers & equipment → Assets and add equipment at the site: type, make, model, serial, install date, warranty, location on site, status and next service due.
- Link a serial you sold — Equipment can be linked to a serial you sold, so the warranty shows on the record.
- Link it to jobs — Link the equipment to a job to record the work done, the condition and readings.
- Add your own fields — In Set-up → Custom fields, add text, number, date, list or tick-box fields for equipment; they appear on the equipment form.
Record work and equipment on the job as it happens, so billing and history never depend on memory.
How Biznsbook supports this workflow
equipment register per site is part of Biznsbook and works on the same records as the rest of field work, so the decision, the stock and the books stay in step and every action is recorded with who did it and when.
equipment linked to jobs is part of Biznsbook and works on the same records as the rest of field work, so the decision, the stock and the books stay in step and every action is recorded with who did it and when.
custom fields on equipment is part of Biznsbook and works on the same records as the rest of field work, so the decision, the stock and the books stay in step and every action is recorded with who did it and when.
import of sites and equipment is part of Biznsbook and works on the same records as the rest of field work, so the decision, the stock and the books stay in step and every action is recorded with who did it and when.
Field Service invoices do not need the Sales module; the ledger posts when Accounting is licensed, and card payment links need Stripe connected.
Suggested implementation timeline
- Week 1: Set up equipment register per site and the permissions the people involved need.
- Week 2: Run the real process in Biznsbook only, with no side spreadsheet, for one team or site.
- Week 3: Review what was recorded with the people involved and tighten the rules where they disagreed.
- Month 2: Roll out to every team or site.
- Ongoing: Reviewing equipment each month.
Sites, maps and service agreements around the equipment
Equipment always sits at a customer site, and sites can be imported too: importing the same customer and site name again updates the site, and a latitude and longitude in the file are kept as the pin. Other imported sites get their pin the next time the site is saved.
The map shows each site with a pin coloured by its open jobs (red not scheduled, blue scheduled, amber in progress, grey on hold), with each technician's last shared position today. Picking a day shows every technician's visits in order, and Suggest best order proposes a shorter route for a technician with three or more visits not yet started; nothing changes until visits are moved on the board.
Custom fields marked for the Job sheet print on the job sheet PDF, so information such as gas safety numbers or access codes travels with the technician. Service agreements can then cover recurring visits for the customer whose equipment you maintain.
Metrics to track monthly
- Work recorded but not yet billed
- Stage invoices unpaid past terms
- Equipment due for service this month
- Repeat jobs on the same equipment
Start with three metrics; trend direction matters more than a single point-in-time snapshot.
Manual workarounds vs Biznsbook
Compare common manual workarounds with Biznsbook equipment register per site and the related capabilities.
| Capability | Manual / Spreadsheet | Biznsbook |
|---|---|---|
| Equipment details | ❌ Free text on the job | ✅ Record with make, model and serial |
| Warranty | ❌ Checked by phone | ✅ On the record, linked to the serial sold |
| History | ❌ Old job sheets | ✅ Jobs linked to the equipment |
| Next service | ❌ Spreadsheet | ✅ Next service due on the record |
| Extra information | ❌ Notes | ✅ Custom fields you define |
| Existing lists | ❌ Typed in | ✅ Imported and updated by serial |
Reviewing equipment each month
Once a month, list equipment with a next service due date in the coming weeks and schedule visits, check units with repeated breakdown jobs as candidates for replacement, and retire equipment customers have removed so active lists stay accurate. Before a busy season, re-import the customer's updated list: equipment is matched by site and serial, so existing records are updated rather than duplicated, and the history you built stays linked. Customers must already exist, because they are matched by name. Check the import result for skipped rows.
Write the billing stages and equipment rules into your job procedures.
Frequently asked questions
What can I record about each unit?
Type, make, model, serial, install date, warranty, location on site, status (active or retired) and next service due, plus any custom fields you add.
How does the warranty show?
Link the equipment to a serial you sold and the warranty shows on the record.
How do I see what was done before?
Each job linked to the equipment records the work done, condition and readings, so the history builds up on the unit.
Can I import equipment from a spreadsheet?
Yes. Use Import on Assets. Customers must already exist and are matched by name; equipment is matched by site and serial, or by name without a serial.
Do switched-off custom fields lose their data?
No. Switching a field off hides it but keeps what was entered.
Can I see sites on a map?
Yes. Field Service → Work → Map shows each site with a pin, coloured by its open jobs.
How this differs by industry
Retail
Commercial kitchen engineers keep every oven and fridge at each restaurant on record, with warranty and next service due.
Wholesale & distribution
HVAC firms import a customer's unit list by serial and see each unit's history across years of maintenance visits.
Manufacturing
Machine service providers record installed equipment at client plants and link every breakdown job to the machine.