Built for contractors, plumbers, HVAC, roofers, and local service businesses that can't answer every call. CallSub AI answers for you, talks to customers like a real person, and books jobs automatically so you never miss another opportunity.
Try how our AI handles real customer calls
Interactive Demo Call
If you're a contractor, plumber, HVAC tech, roofer, moving company, or local business owner, you're not sitting by the phone all day.
And every one of those missed calls is a customer going straight to your competitor.
Start CallSub AI today and capture every call, book more customers automatically, and stop leaving money on the table.
Watch our quick setup guide and get started today
Our AI assistant handles complex conversations, understands context, and books appointments just like your best receptionist would.
Handles complex scheduling requests, reschedules, and customer questions with human-like understanding.
Integrations with 3rd party tools, CRMs, and Calendars for real time data retrieval and analysis.
Never miss a booking opportunity. Your AI assistant works around the clock, even on weekends and holidays.
Communicate with customers in their preferred language. Supports 20+ languages with native fluency.
Enterprise-grade security and compliance. Perfect for healthcare, legal, and other regulated industries.
CallSub mobile and desktop applications that help team members triage and process calls depending on their priority and category for optimal workflow management.
Download the CallSub AI mobile app and stay connected to your business from anywhere. Monitor calls, review summaries, and manage appointments right from your phone.
Real results from real service businesses
"Before using CallSub AI, we were missing calls all the time while out on jobs. I didn't realize how many customers we were losing until we turned this on. Now every call gets answered and we're booking way more work without hiring anyone."
Jake M.
Plumbing Company Owner
"I run a small HVAC business and most of my day is spent in the field. I can't be on the phone all of the time. It handles incoming calls, and books jobs for us. It honestly feels like we added a full-time employee. Thank you again."
Daniel R.
HVAC Business Owner
"We used to miss calls during peak hours and after hours, and those were always the customers ready to book. Now everything gets answered instantly. It's helped us capture way more jobs without changing anything else."
Marcus T.
Roofing Contractor
"As a moving company, we get a ton of calls throughout the day and we just couldn't keep up. CallSub AI made a huge difference. 10/10."
Cameron K.
Moving Company Owner
Every business is unique. Let us create a pricing plan that perfectly fits your specific needs and budget.
1) SPAM calls are defined as call durations less than 20 secs.
2) Small Business calls are limited to 4 minutes per call.