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Hallodesk

WhatsApp Business for HVAC Businesses

Manage chat automation, appointment reminders, and newsletters fully automatically via WhatsApp – ready 24/7. Smart communication starting at just €0.187/min.

14-day free trial No credit card required Quick setup

How HVAC Businesses Already Use WhatsApp Business

Automate daily customer communication directly via WhatsApp and save valuable office time.

24/7 Chat Automation & Appointment Booking

Enables customers to independently book repair, maintenance, and on-site appointments directly in the WhatsApp chat – completely without phone queues.

WhatsApp Newsletter & Maintenance Updates

Targetedly informs existing customers about upcoming maintenance intervals, seasonal safety checks, or emergency service slots with over 95% open rates.

Intelligent FAQ & Damage Pre-Assessment

Answers routine questions about hourly rates, travel costs, and spare parts, and automatically captures damage photos and error descriptions.

24/7 Chat Automation & Appointment Booking WhatsApp Newsletter & Maintenance Updates Intelligent FAQ & Damage Pre-Assessment

Everything your WhatsApp agent needs for your business

The intelligent ecosystem for your automated messaging communication.

Knowledge Base

Documents, PDFs, URLs

Integrations

120+ Tools & Platforms

CRM & Databases

Leads, Customers, Datasets

APIs

Custom Connections

AI CORE

The Brain of
Your AI Employee

WhatsApp Automation

Chatbots & Campaigns

Satisfied Customers

Faster responses
Better experiences
More conversions

Alex Bianca Thomas

What your WhatsApp automation actually does

Automate your customer communication with maximum performance.

01

Answer customer inquiries

The AI answers all your customers' questions precisely in the WhatsApp chat.

02

Manage appointments

Book, cancel, and reschedule appointments easily via chat.

03

WhatsApp newsletters

Send targeted campaigns & updates with over 95% open rates.

04

Human handoff

When needed, the chat is seamlessly handed over to your support team.

Powerful features. Endless possibilities.

Everything you need to automate conversations and grow your business.

Upload knowledge

Train your AI agents with your data.
XLSX Data
PDF / Docs
120+
Smart Knowledge Base →

Appointments & CRM

Manage appointments & leads seamlessly.
April 2026
MTWTFSS 1234567 891011121314 15161718192021 22232425262728

WhatsApp Newsletter

Targeted campaigns & offers with 95%+ open rates.
Campaign active
98% Read

120+ Integrations

Connect your favorite tools and automate workflows.
Gmail
WhatsApp
Meta
Calendly
Teams
Doctolib
31 Google Cal
Slack
Outlook
WordPress
Shopify
+109 More

Enterprise Security

Your data is encrypted and never used for training.
100% Data Sovereignty
No AI Training

Analytics & Insights

Real-time analytics to track performance.
Captured Leads
Live
1,428 +34.2%

What our customers say about Hallodesk

★★★★★
4.8 | 5 Reviews
Write a Review

Fair pricing for every product

Choose your product — full cost control, no hidden fees.

Starter

For small practices & salons

79€/month
plus VAT · cancel monthly
✓ Up to 10 calls / day
✓ Call answering 24/7
✓ Appointment booking (any calendar)
✓ German & English
✓ Daily email reports
✓ Email support
Choose Starter
POPULAR

Pro

For growing businesses

129€/month
plus VAT · cancel monthly
✓ Up to 25 calls / day
✓ All Starter features
✓ 14+ languages (automatic detection)
✓ Custom FAQs & business knowledge
✓ SMS appointment confirmation
✓ Priority support
Choose Pro

Enterprise

Very affordable and fully personalized agent for your niche

0.187€/minute
No setup fee · No monthly base fee
✓ Unlimited call volume
✓ All Pro features
✓ Custom integrations & CRM
✓ Multiple locations / phone numbers
✓ Dedicated contact person
Choose Enterprise

Freemium

For small websites

0€/month
Free forever · No credit card
✓ Up to 50 voice chats / month
✓ Voice reception 24/7
✓ Calendar synchronization
✓ German & English
✓ Email support
Choose Freemium
TEST 1 MONTH FREE

AI Website Voice Agent

For interactive customer engagement directly on your website

0.08€/minute
after trial month · No base fee · cancel monthly
✓ 1 month free trial period
✓ Full feature access from day 1
✓ Voice & chat answering 24/7
✓ Appointment booking (any calendar)
✓ German, English & 12+ other languages
✓ Custom FAQs & business knowledge
✓ No monthly base fee
Try for Free
USAGE-BASED

Pay as you go

For professional WhatsApp customer service and CRM automation

0.79€/day/active customer
No setup fee · No hidden costs · cancel monthly
✓ Includes 1 marketing message per customer/day
✓ Includes 50 free messages per chat/day
✓ Additional messages cost only 0.01€ per message
✓ Custom WhatsApp phone number (or existing number)
✓ Tailored knowledge base for your setup
✓ Dedicated CRM dashboard for lead tracking
✓ Support for all languages (automatic detection)
✓ 24h email support & continuous monitoring
Choose Pay as you go

Basic

Custom layout

250€One-time
plus VAT · No ongoing costs
✓ Custom design layout
✓ Mobile responsive structure
✓ Contact form integration
✓ Standard SEO-optimized layout
✓ Ready in 5 days
Choose Basic
POPULAR

Business

Complete setup with domain

400€One-time
plus VAT · Hosting & SSL included
✓ Domain & hosting included (1st year)
✓ Free SSL certificate
✓ Advanced design layout
✓ Map & form integration
✓ Advanced SEO optimization
✓ Ready in 7 days
Choose Business

Premium

Full service & custom layout

799€One-time
plus VAT · Complete solution
✓ Custom premium layout
✓ Optimized content strategy
✓ Integration of all AI agents
✓ Comprehensive SEO & performance
✓ Maintenance & updates (1st month free)
Choose Premium

Tailored AI Process Automation

We develop custom N8N workflows, webhook pipelines, and AI agents that execute your time-consuming business processes fully automated and error-free.

Custom process analysis & strategy
Integration with CRM, ERP & Lexoffice
Invoice & email workflows
Turnkey setup & support
Request a custom consultation
Talk to our AI engineers for a non-binding offer.
Request Custom Automation ➔

Book a Demo

Discover in a short 15-minute live demo how our AI agents handle your customer inquiries & appointment bookings 24/7. We analyze your requirements and show you the perfect solution for your business.

Individual potential analysis of your call & service processes
Tailored presentation of our AI agents for your industry
Free consultation and transparent fixed-price offer
Germany
MADE IN GERMANY
Developed & Supported in Germany
EU SERVER
Highest Standards
No spam. By submitting, you agree to our Privacy Policy.

FAQs

Yes, WhatsApp for HVAC services can be integrated with your existing CRM or scheduling software, allowing you to manage customer interactions, bookings, and workflows seamlessly. This streamlines your operations and enhances customer experience.

Yes, with WhatsApp for HVAC services, you can receive and respond to customer inquiries, provide quotes, and even share images or videos of your work. It's a convenient way to communicate with customers and resolve issues quickly.

WhatsApp for HVAC services enables you to provide personalized support, offer exclusive promotions, and send reminders, which helps build strong customer relationships and increases loyalty. This leads to improved customer retention and positive word-of-mouth.

Yes, WhatsApp for HVAC services is a secure and compliant messaging platform that adheres to industry regulations, such as GDPR and HIPAA. Your customer data and conversations are protected, ensuring a safe and trustworthy experience.

WhatsApp for HVAC services is a messaging platform that enables you to communicate with customers, provide support, and manage bookings efficiently. It helps you streamline your customer service, reduce response times, and increase customer satisfaction.

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