Invoicing for plumbers
Invoice Koi is an invoice app for plumbers: a service call priced at the door, and a bathroom quoted as an estimate that becomes the invoice when the work is done.
The iPhone app is coming to the App Store.
Plumbing bills in two shapes and they fight each other. There is the emergency (a service call, an hour, a part off the van) and there is the install, quoted weeks ahead and paid in stages. Doing both out of the same notebook is how a $40 part ends up unbilled.
What plumbers
put on an invoice.
Save these items with your own rates. Tap to add them to an invoice, with the unit, price and totals filled in.
| Line | Unit |
|---|---|
| Plumbing labor | hrs |
| Service call, standard hours | each |
| Service call, after hours | each |
| Water heater service | each |
| Parts and fittings | job |
| Bathroom remodel | days |
Set your own prices. The app's starter rates are placeholders. To bill one job today with nothing installed, the free plumber invoice template opens in your browser with these lines on it.
Three things that
save the evening.
Photograph the supply house receipt in the parking lot
Merchant, amount, tax and category come off the paper. The photograph is filed against the job either way, so the parts you paid for at eight in the morning are on the invoice at six.
Annual services that invoice themselves
Set a water heater service to repeat weekly, monthly, quarterly or yearly, and the next one is drafted and waiting rather than remembered.
After hours priced as after hours
Keep a standard service call and an after-hours service call as two lines in the price book, and pick the right one at eleven at night without doing arithmetic.
Asked by plumbers.
Can I add parts at cost to a plumbing invoice?
Yes. Keep a "Parts and fittings" line in your price book priced at zero and set the figure per job, or scan the merchant receipt and put the real number on it.
Can it handle emergency service call rates?
Keep both service calls as separate lines in the price book. Tapping the right one fills the description and the price, so an out-of-hours job is never billed at the daytime rate by accident.
How do I take a deposit on a bathroom install?
Record what the customer has paid against the invoice as it comes in. The balance, the status and every report figure follow from the payments you record, so a part-paid invoice shows what is still owed.
Weighing up apps? Invoice Koi vs Joist and Invoice Koi vs Contractor+ set the features side by side, including where they win. Or see all 12 comparisons.
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