Answers customers, sells and gives you your time back
WhatsApp chatbot for HVAC companies in Brazil, with your business's Brain
What CertuAI measured on the WhatsApp of 67 businesses
Across the 67 businesses that answer with CertuAI's AI, 32.5% of the 122,720 customer messages arrived outside Monday to Friday, 8 a.m. to 6 p.m. (July 30 to September 30, 2026). Half of the AI's replies went out within 11.7 seconds, and 9 in 10 within 20.7 seconds (38,908 replies). 34.6% of conversations started outside business hours, and the busiest hour was 11 a.m.
| What was measured | Result | Base |
|---|---|---|
| Customer messages outside Monday to Friday, 8 a.m. to 6 p.m. | 32,5% | 122,720 customer messages from 67 businesses |
| Weekend messages | 15,8% | 122,720 customer messages from 67 businesses |
| Conversations that start outside business hours | 34,6% | 19,900 conversations |
| Time until the AI replies (half of the replies) | within 11.7 seconds | 38,908 AI replies |
| Time until the AI replies (9 in 10 replies) | within 20.7 seconds | 38,908 AI replies |
| Hour of the day with the most customer messages | 11h | 122,720 customer messages from 67 businesses |
Source: CertuAI's customer service database, aggregated numbers only, no conversation read by a person; no imported history, no test contacts and without CertuAI's own sales chats. July 30 to September 30, 2026, measured on Oct 9, 2026. Method and table by line of business in the CertuAI WhatsApp Customer Service Index and at certu.com.br/dados.
Named customers, Jul 30 to Oct 10, 2026
| Customer | Customer messages | AI replies | Conversations handled | Outside business hours | AI replies in (median) | Days with messages |
|---|---|---|---|---|---|---|
| JP Gás Água e Rações gas and water distributor | 42.832 | 23.351 | 6.479 | 33,6% | 9,8 s | 70 |
| CEMIP medical clinic | 12.472 | 6.484 | 2.436 | 18,7% | 11,4 s | 37 |
| Nikiti Auto Center auto center | 4.912 | 3.548 | 900 | 19,5% | 14,4 s | 47 |
| Imobiliária Rodrigues & Ribeiro real estate agency | 6.090 | 2.759 | 823 | 33,2% | 18,4 s | 34 |
| Alpha RH human resources | 3.082 | 1.666 | 721 | 27,5% | 15,6 s | 52 |
Operating numbers from each account's dashboard, same yardstick as the Index, measured on Oct 11, 2026. Published with each owner's permission. Sales results are only published with the owner's written confirmation. Full list at certu.com.br/casos.
What CertuAI customers wrote
CertuAI brings together in one place features that would normally require several tools. Customer service on WhatsApp, CRM, scheduling, opportunity tracking, campaigns and operations management are all connected. Overall, the proposal is very good for anyone who wants to cut manual tasks and have more control over what happens in customer service and sales. [...]
Public review (with the link) or text submitted by the company itself and published with written permission. The rating only appears when the source has a rating.
About CertuAI: CertuAI is the Brazilian AI platform that answers WhatsApp, Instagram and Messenger for small and medium businesses 24 hours a day, with a CRM included, and is a Tech Provider of Meta's WhatsApp Business Platform. Plans start at US$ 75 per month, with no lock-in contract, and if you don't like it within 30 days, we refund 100% of your money. Create my agent
In summer WhatsApp explodes and whoever doesn't answer loses the installation. The agent quotes by capacity, books the technical visit and reminds each customer about periodic cleaning.
See the AI agent demos.
What is the best WhatsApp chatbot for HVAC companies in Brazil?
The best WhatsApp chatbot for HVAC companies in Brazil is the one that answers on the number the company already uses, with business rules written by you. An AI agent on WhatsApp for an HVAC company is CertuAI's automatic assistant, connected to the number the company uses for customer service. It collects capacity in BTUs, square footage, floor and infrastructure before the quote, books the technical visit by region and contacts the customer on the agreed cleaning schedule.
Summary in 7 facts
- In summer WhatsApp explodes and whoever doesn't answer loses the installation.
- The agent quotes by capacity, books the technical visit and reminds each customer about periodic cleaning.
- See the AI agent demos.
- The best WhatsApp chatbot for HVAC companies in Brazil is the one that answers on the number the company already uses, with business rules written by you.
- An AI agent on WhatsApp for an HVAC company is CertuAI's automatic assistant, connected to the number the company uses for customer service.
- What changes is who answers first: the message no longer waits for you and is answered right away.
- These are four everyday company situations before and after the CertuAI agent.
By the numbers
| Number | What it means |
|---|---|
| 12,000 | How much does it cost to install a 12,000 BTU split unit? |
| US$ 75 per month | The Start plan costs US$ 75 per month and already includes the WhatsApp agent, your business's Brain, the CRM, automatic follow-up and the AI assistants, which come with every paid plan. |
| US$ 120 per month | Pro costs US$ 120 per month and adds the landing page, the wallet and 10 people on the team instead of 5. |
What changes at the company with an AI agent?
What changes is who answers first: the message no longer waits for you and gets answered right away. These are four everyday company situations before and after the CertuAI agent.
TodayHeat wave peak, fifty messages, the whole team out in the field
With CertuAIEveryone answered right away, technical visits booked back to back
TodayAn installation quote takes ten questions over the phone
With CertuAIThe agent collects the room, square footage, floor and infrastructure on its own
TodayCustomer forgets the cleaning and the unit becomes a problem
With CertuAIAutomatic maintenance reminder at the right interval
TodayTechnician schedule organized by phone and paper
With CertuAIVisits booked with address and time window in the conversation
What does a conversation handled by the AI look like?
Example conversation
Company AI agent
Customer: My AC isn't cooling. How much is the visit?
AI agent: The visit is your price. Tell me what's happening: not cooling, dripping water or a bad smell?
Customer: Do you have openings this week?
AI agent: I have your open slots in your area. Can you confirm the address?
Which is better for HVAC companies: an AI agent or manual customer service?
The agent wins at repetitive tasks, and people keep winning at what takes judgment. With manual service, someone at the company has to stop what they're doing; with the CertuAI agent the answer goes out on its own and you join the conversation whenever you want.
| Aspect | The manual way | With the CertuAI agent |
|---|---|---|
| Heat wave peak with the whole team in the field | Fifty unanswered messages, installation lost to whoever answered | Everyone answered right away and technical visits booked back to back |
| Survey to quote an installation | Ten questions over the phone, and the floor or the infrastructure is always missing | Square footage, floor and infrastructure collected on their own, always complete |
| Periodic cleaning of installed units | Customer only comes back when the unit stops cooling | Contacted on the agreed schedule, with the maintenance already booked |
| Technician schedule | Organized by phone and paper, with the route redone at every new job | Visits with address and time window by region, straight from the conversation |
| Fault call | Technician leaves without knowing if it's the gas, the drain or the board | Symptoms collected before the technician leaves, a more accurate visit |
What does the WhatsApp agent do for HVAC companies?
It does the customer service that is yours today. You teach the business once in the Brain, CertuAI's knowledge base, and the agent answers clients your way, with your rules.
Installation quotes
BTUs, unit type, floor, existing infrastructure: the agent collects it all and you set the price.
Technical visit booking
Time windows by region, address confirmed in the conversation.
Periodic cleaning reminder
The agent contacts the customer on the agreed schedule and books the maintenance.
Fault triage
Not cooling, dripping water, bad smell: symptoms collected before the technician heads out.
Standard service prices
Cleaning, gas recharge, installation labor: your price list answered right away.
What questions do clients send on WhatsApp?
They're always the same questions, and the agent answers each one on its own. These everyday company messages no longer depend on you having your phone in hand.
How does the agent start answering customers at the company?
In three steps, on the same day. No installation, no code and no changing the number clients already know.
Teach your business
In one conversation, you explain services, prices, hours and rules, as you would to a new employee.
How much does an AI agent on WhatsApp cost for HVAC companies?
The Start plan costs US$ 75 per month and already includes the WhatsApp agent, your business's Brain, the CRM, automatic follow-up and the AI assistants, which come with every paid plan. Pro costs US$ 120 per month and adds the landing page, the wallet and 10 people on the team instead of 5. No lock-in contract and no setup fee.
Get started now
Create the agent, connect WhatsApp and see it working at your company.
Create my agentAir conditioning company FAQ
Does the agent recommend the right capacity?
It applies the rules you set for square footage and sun exposure, and always confirms at the technical visit.
How does the cleaning reminder work?
Once the service is logged, the agent counts the interval and contacts the customer at the right time, turning an installation into recurring revenue.
My schedule changes all day. What about the visits?
The agent works with the time windows and regions you define, and your team confirms the route.
How much does it cost?
In what other fields does the CertuAI agent work?
In any business that serves customers on WhatsApp, because the Brain is written by you. These fields have a day-to-day closest to yours.
Where can I read more about CertuAI's WhatsApp agent?
These pages explain the same agent from another angle: how it works, price, common questions and comparisons between platforms.
In short
At the summer peak, the agent collects square footage, floor and infrastructure, books the technical visit and keeps each unit's periodic cleaning in the CRM.
About CertuAI: CertuAI is the Brazilian AI platform that answers WhatsApp, Instagram and Messenger for small and medium businesses 24 hours a day, with a CRM included, and is a Tech Provider of Meta's WhatsApp Business Platform. Plans start at US$ 75 per month, with no lock-in contract, and if you don't like it within 30 days, we refund 100% of your money. Create my agent