Hand a new tech the app and a truck, and he's making money.
Wire and breaker sizing, pipe and gas sizing, step-by-step fix-it guides and plain-English code notes in the field. Jobs, quotes, invoices and payments for the office. A customer app to request service. One platform, from $35 a month.
Coming to the App Store and Google Play.

What plumbing and electrical shops tell us, and what we did about it.
"My new guy calls me for every wire size."
The Tools tab answers it on the spot: what it feeds, how far, what kind of wire. One big answer, the breaker and ground that go with it, and "Show me why" with the code sections.
"Software costs more than my truck payment."
Solo is $35 a month. A company with 4 techs and 1 office person pays $135 a month, with no setup fee and no contract.
"Quotes get written at the kitchen table at night."
Every calculator and fix-it guide can drop its materials straight onto a quote. The customer approves and pays on their phone before you leave.
"The inspector wants to see the math."
Any calculation turns into a PDF on your company name: what you entered, the answer, every step and the code sections it used.
"New builds eat my evenings."
Count the fixtures or devices on the plan and get the rough-in material list and labor hours, then a quote and a list for the supply house.
"We fail inspections on little things."
Rough-in, underground and final checklists for both trades. Walk it before you call it in, then share it as a PDF.
Everything a plumbing or electrical company handles in a day.
Pick Electrical, Plumbing or Both. The app shows the tools for the work you do.
Size it
Electrical calculators
Wire and breaker size, voltage drop, EV charger circuits, motors and pumps, conduit fill, box fill, service and ground wire, home load calc and Ohm's law.
Plumbing and gas calculators
Drain and vent size, trap arm distance, slope and fall, water line size with pressure loss, tank and tankless water heaters, expansion tanks, gas pipe size and test pressures.
Built for a first-year tech
Tap the answers instead of typing. One big answer, "Show me why" with every step, a PDF for the inspector and "Put it on a quote".
Fix it and look it up
Fix-it guides
Yes-or-no steps for the calls you get most: breaker keeps tripping, dead GFCI, half the house out, no hot water, slow drains, low pressure, running toilets and more. Works with no signal.
Code notes
Plain-English notes on the NEC and the plumbing and fuel gas codes, with the section number, searchable by word. Links straight to the free official code books.
New builds
Electrical and plumbing takeoffs from your fixture and device counts, plus inspection checklists for underground, rough-in and final.
Run the business
Jobs and dispatch
Each tech opens to their day. The office web app has the dispatch board, the calendar and every customer's history.
Quotes, invoices and payments
Good, better, best options from your price book, signatures on site, and customers pay by card online.
Stock, margins and service plans
What's on each van, margin on every job, and service plans that remind customers when it's time.
For your customers
TradeSystem Connect
A free app for homeowners and businesses linked to your company.
- Request service without a phone call
- Message your office and the tech on the job
- Approve quotes and pay invoices
- Simple fix-it steps for the small stuff
What customers never see
Your costs, margins and internal notes stay inside your company. Customers see only what you send them.
Add plumbing and electrical to the platform you already run.
TradeSystem HQ is built by the same team as AirSystem HQ for compressed air and ClimateSystem HQ for HVAC.
On its own
A complete platform for plumbing and electrical shops, from one van to a full crew.
As an add-on
HVAC and compressed-air companies that also do plumbing or electrical can add it for $19 per field seat a month.
Same people behind all of them
Built and supported in Charlotte, North Carolina, by people from the trades.
Run your shop on TradeSystem HQ.
From $35 a month, no setup fee and no contract. The first 25 companies get 20% off for life. See pricing.