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About

Call Citadel helps small plumbing and HVAC businesses follow up when a customer call goes unanswered. After setup, unanswered calls are forwarded from the business's existing number. Call Citadel starts a text conversation with the caller, gathers the service need, location and urgency, and sends the details to the business owner for a callback. The owner decides how to respond and arrange the work. Customers keep calling the business number they already know. Setup includes carrier registration and approval, which usually takes two to three weeks and can take longer. The free trial lasts 30 days from verified go-live. No credit card is required to start. Service costs 497 US dollars per month after the trial if the business chooses to continue.

About

CallBack HVAC is missed-call text-back software built specifically for HVAC companies. When a customer calls and no one answers, CallBack HVAC automatically sends them a text message within seconds — keeping the lead engaged before they call a competitor. HVAC owner-operators and multi-crew operations use CallBack HVAC to stop losing jobs to missed calls. The software runs 24/7 without any manual effort. When a call is missed, the customer gets an instant, customizable text response that lets them know you will be in touch shortly. Key features include: automatic missed-call text-back, customizable SMS templates, real-time notifications, and a simple dashboard to track all activity. No contracts, no complicated setup, and no answering service required. CallBack HVAC integrates with Twilio for reliable SMS delivery and is deployed as a cloud-based SaaS platform — nothing to install. Pricing is $149/month with a 14-day free trial.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Owners and small teams at U.S. plumbing and HVAC businesses that receive customer calls while working in the field or after hours.

Audience

HVAC companies, owner-operators, small HVAC crews, and multi-crew HVAC operations in the United States

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$497 per month
Free Version
Free Trial

Pricing

$149/month
$149/month with a 14-day free trial. Includes missed-call text-back, after-hours lead capture, caller detail capture, urgency flags, callback queue, two-way SMS follow-up, business-hours controls, and English/Spanish support. Customer is responsible for their own Twilio/SMS usage costs.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • I tested the CallBack HVAC workflow as a beta tester. The missed-call text-back idea was easy to understand, and I can see how it would help an HVAC business follow up faster when calls are missed. The setup and dashboard were clear from what I reviewed.

Cons

  • I did not identify any significant drawbacks during testing. However, because I reviewed the workflow as a beta tester, I was not able to evaluate long-term performance, customer response rates, or how the system handles unusual situations. Additional real-world usage data would help demonstrate its overall effectiveness.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Call Citadel
Founded: 2026
United States
callcitadel.com

Company Information

CallBack HVAC
Founded: 2026
United States
callbackhvac.com

Alternatives

Alternatives

Categories

Categories

HVAC Features

Billing & Invoicing
Customer Database
Dispatch Management
Inventory Control
Job Management
Maintenance Scheduling
Mobile Access
Quotes / Estimates
Routing
Scheduling
Service History Tracking
Technician Management
Work Order Management

SMS Marketing Features

2-Way Messaging
Artificial Intelligence
Contact Management
Mass Texting
Message Personalization
MMS
Mobile Coupons
Mobile Keywords
Polls / Voting
Reporting/Analytics
Scheduled Messaging
Shortcodes
Text-to-Win

Integrations

Twilio

Integrations

Twilio
Claim Call Citadel and update features and information
Claim Call Citadel and update features and information
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