HVAC Booking App Flutter Source Code Dev Kit + Admin Dashboard & 10 PDF Guides

✨ Listing Description

❄️ ELDON-Digital HVAC Booking AppDevelopment Kit

📱 Customer App +Technician App + Admin Dashboard + Illustrated Guides

Bring your HVAC software concept into focus with a connecteddevelopment package built around residential heating, cooling and home-serviceworkflows.

The ELDON-Digital HVAC Marketplace Development Kitcombines Flutter mobile app source code, a web administration dashboard, atyped backend API, database migrations, fictional demonstration data andprofessionally designed documentation.

Explore how customer requests, technician assignments,equipment records, inspections, estimates and invoices work together. Use theincluded source and guides as a starting point for further development,customization and testing.

📌 Please read beforepurchasing: This is development version 0.1.0, intended for buyerswith software development experience or access to a qualified developer. Itrequires additional implementation and validation before production use. It isnot a finished, store-ready application or a hosted software subscription.

📦 What Is Included?

📱 Customer Mobile AppSource

Flutter source for a customer-facing HVAC serviceexperience, including:

✅ Customer equipment records
✅Service-location management
✅Regular and emergency service requests
✅Appointment and job details
✅Customer-visible service notes
✅Inspection results
✅Typed estimate approval and consent
✅Completion acknowledgement
✅Invoice review and simulated demo payments
✅Filter replacement records

The customer workflow connects to the HVAC API and usesaccount ownership checks to control access to records.

🧰 Technician Mobile AppSource

Flutter source for a technician-facing field-serviceexperience, including:

✅ Assigned job lists
✅Job status progression
✅Service notes
✅Versioned inspection forms
✅Parts consumption records
✅Refrigerant charging and recovery records
✅Estimate and invoice workflows
✅Shift consent and manual arrival-location sharing
✅Limited offline queuing for notes and inspection answers

📍 Location sharing is amanual foreground action. Automatic background tracking, routing maps androad-based arrival estimates are not implemented.

🖥️ Administration andDispatch Dashboard

A connected React web dashboard provides eight HVAC workareas:

🔹 Command center anddispatch
🔹Equipment records
🔹Maintenance plans and visits
🔹Inspection records
🔹HVAC invoices
🔹Job details and service evidence

Scheduling checks include technician qualifications,certification expiration, record versions and appointment conflicts with afixed travel buffer.

Additional tools include customer/internal note visibility,HVAC job CSV export and branded service report PDF generation.

⚙️ Backend API and DatabaseSource

The development package includes:

🗂️ TypeScript and FastifyAPI source
🗄️PostgreSQL-compatible schema and migrations
🔐Session, membership, ownership and assignment checks
🔁Idempotency handling for supported HVAC mutations
💵Transactional invoice and payment-record updates
📦Inventory balance protections
🧪Fictional HVAC demonstration data
📚OpenAPI documentation
🐳Docker and deployment configuration foundations
🔄Backup and restoration scripts

The local demonstration uses PGlite. The HVAC test suite wasalso exercised against PostgreSQL.

📚 Ten BeautifullyDesigned PDF Guides

The documentation collection includes 10 guides with 70total pages.

Each guide features:

🎨 Full-page cinematicHVAC cover artwork
💙Navy headers and blue explanation panels
🌿Mint verification strips and checklists
🟠Amber cautions and troubleshooting highlights
🔢Numbered action steps
📸Actual application screenshots
💡Additional explanations and screen-reading notes
📖Plain-language terminology
📝Editable HTML versions

The guide collection covers:

1. 🚀 Start Here and Product Overview
2. 🎨 Buyer White Label Customization
3. 🖥️ Backend, Database and Dashboard Deployment
4. 🤖 Android Build and Google Play Publishing
5. 🍎 iOS Build and Apple App Store Publishing
6. 🏡 Customer Mobile App Use
7. 🧰 Technician Mobile App Use
8. 📋 Administrator and Dispatcher Operations
9. 🔐 Security, Privacy and Store Compliance
10. 🔄 Maintenance, Backup, Restoration and Troubleshooting

The publishing guides explain preparation steps andremaining requirements. Their inclusion does not mean that either applicationhas been approved by an app store.

🖼️ Advertising andPresentation Assets

The artwork collection includes 10 app advertisingcompositions featuring actual captures from the running developmentapplication.

Available formats include:

✨ 3000-pixel PNG masters
✨1600-pixel JPG previews
✨2000-pixel website PNG versions
✨2000-pixel WebP versions
✨Original application screenshots
✨Captions and alternative-text descriptions
✨Separate guide cover PNGs

The advertising images retain development-version labeling.

🎨 Artwork disclosure:The cinematic guide covers use AI-generated editorial imagery. The applicationscreenshots are authentic browser captures with fictional demonstrationrecords. They are not photographs of installed native apps.

🛠️ Technology Included

Component

Technology

Customer and technician apps

Flutter 3.47.4

Mobile language

Dart 3.13.3

Backend runtime

Node.js 22.13.1

Backend language

TypeScript 5.9.3

API framework

Fastify 5.12.4

Web dashboard

React 19.3.0

Dashboard build tool

Vite 7.3.6

Native database validation

PostgreSQL 17.11

App versions

0.1.0+1

Documentation

PDF and editable HTML

📌 The dashboard uses React/Vite,and the backend uses Fastify. This package does not contain a Next.js orNestJS implementation.

🧪 Documented Verification

The supplied development evidence includes:

✅ 36 passing backend tests
✅15 passing shared Flutter tests
✅The 15-test HVAC subset passing against PostgreSQL
✅Backend and dashboard compilation
✅Selected dashboard and Flutter browser checks
✅Two unsigned Android App Bundle builds
✅Static native-library alignment inspection
✅An isolated PostgreSQL backup and restoration check
✅Backend/dashboard builds and tests from a fresh source extraction

A Node dependency audit reported zero known advisoriesafter dependency updates. This is a point-in-time package scan, not acomprehensive security certification.

📊 Backend source linecoverage was 74.35%. Additional coverage and broader validation remainnecessary.

🎯 Who Is This PackageFor?

This development kit is suited to:

👨‍💻 Flutter andfull-stack developers exploring HVAC workflows
🏢Agencies evaluating a starting point for a custom service platform
🧑‍🔧HVAC business owners working with a development team
🎓Learners studying connected customer, technician and dashboard experiences
📋Product teams reviewing service-request and field-service processes

Technical setup and development experience are required.Buyers seeking an immediately usable hosted booking service should choose afinished operational product instead.

🚧 Important DevelopmentLimitations

Please consider these limitations before purchasing:

🔸 Live HVAC cardpayments, 3DS and payment-provider reconciliation are incomplete.
🔸HVAC payment actions currently simulate payments or record externally collectedcash/check payments.
🔸Android bundles are unsigned compilation artifacts.
🔸No verified iOS archive, signing or physical-device installation is included.
🔸Offline support is limited to notes and inspection answers.
🔸Background GPS, route maps and road-based arrival estimates are absent.
🔸Advanced scheduling, recurring maintenance billing and several reportingworkflows require further development.
🔸Complete account deletion, retention handling, administrator MFA and otherproduction controls remain unfinished.
🔸Redis, PostGIS and distributed infrastructure are not implemented.
🔸Docker configuration and hosted CI workflows have not been executed.

The included status reports explain additional boundaries.Production preflight intentionally blocks release while implementation gaps andbuyer placeholders remain.

🔑 Buyer SetupRequirements

Before a future production launch, the buyer will need toprovide and configure:

🍎 Apple Developer account
🤖Google Play Console account
🏷️Unique app names and application identifiers
🔏Apple certificates, provisioning and Android signing keys
🌐Hosting, domain, TLS and database credentials
🏢Company information and support details
📄Privacy policy, terms and account-deletion URLs
🗺️Maps and push-notification credentials for enabled integrations
💳Payment-provider account and completed payment integration
📧Email and SMS accounts where required
📍Actual service areas and appointment policies
💵Final pricing, currency and tax rules
⚖️Appropriate legal review and finalized licensing terms

Buyer credentials alone do not complete the unfinishedsoftware features.

📥 Digital ProductInformation

📂 This listing is fordigital source files, documentation and artwork.

📦 No physical item, HVACequipment, printed book or mobile device is included.

💻 The software requires asuitable development environment. Native iOS work requires access to macOS andXcode.

🌐 Hosting,developer-account fees, payment-processing fees, SMS charges and otherthird-party service costs are separate.

📜 Usage, modification,client deployment and redistribution rights depend on the seller’s finalizedbuyer license and applicable third-party licenses. Source-code access alonedoes not establish unrestricted resale rights.

💬 Please review thestated delivery arrangements, license and support terms before purchasing.

❄️ Explore a Connected HVACSoftware Development Package

Study the customer journey. Follow the technician workflow.Review the dashboard. Learn from the source code and illustrated guides.

ELDON-Digital HVAC Marketplace Development Kit brings theapplication source, documentation and presentation assets together for yournext development project.