Flat Rate Plus Online
by Aptora Corporation
The original flat rate pricebook for HVAC (since 1996) now as a modern online platform with thousands of pre-built tasks and a free consumer calculator.
5.8 - Good Media

Overview
Launched in 1996 as Flat Rate Plus, it was the first Windows flat rate pricing software for HVAC, later evolved into Flat Rate Plus Online. Created by James Leichter ('Mr. HVAC'). Several thousand HVAC, refrigeration, plumbing, and electrical tasks in the database. Free entry-level flat rate book available at flatratesoftware.com. Best for smaller shops that want pricing control without an enterprise FSM platform.
FSH Score Breakdown
Customer Reviews
Key Features
| Feature | Value |
|---|---|
| Flat Rate Pricing Engine | ✅ |
| Digital Pricebook Sync | ✅ |
| Custom Markup Rules | ✅ |
All Features
| Feature | Value |
|---|---|
| Multi-Location Pricing | ❌ |
| QuickBooks Integration | ❌ |
| White-Label Proposals | ❌ |
| Embedded Financing Options | ❌ |
| Pricebook Version Control | ❌ |
| Mobile App Access | ❌ |
| API Availability | ❌ |
| Cloud Hosted | ✅ |
| Custom Reporting | ❌ |
Pricing
- Model
- Subscription
- Starting at
- Contact for pricing
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