Frequently asked questions
Common questions about booking, payment, warranty, and how our technicians work on site.
If there are any additional charges after the on-site inspection, our technician will inform you of the details and cost before proceeding with the work. Once approved, you can make the additional payment directly through the ProChang app.
You can easily book a service through the ProChang app by following these steps:
- Select the service you need.
- Provide details of the issue and attach photos, if available.
- Choose your preferred date and time.
- Confirm your booking and wait for confirmation from our technician.
Yes. You can modify or cancel your booking at least 48 hours before the scheduled appointment. Cancellations made less than 48 hours before the appointment may be subject to a cancellation fee.
If you experience any issues with our service, please contact our Customer Service team within 7 days after the service is completed. We will review the issue and arrange the appropriate solution as soon as possible.
📍 LINE Official: @ProChang
📞 Tel: 093-939-7898
📧 Email: support@prochang.com
All ProChang technicians undergo a screening process before providing services through our platform. This includes work experience verification, background checks, interviews, and service-standard training.
Yes. Once the service is completed, you can rate your experience and leave feedback about the technician through the ProChang app.
Your feedback helps us maintain and continuously improve our service quality.
Technicians who consistently receive high ratings may have more opportunities to receive service assignments. They may also be eligible for additional incentives based on their performance and ability to maintain ProChang's service standards.
You can check the technician's status through the ProChang app. If the technician is delayed by more than 30 minutes, please contact our Customer Service team so we can assist with coordination or arrange an alternative technician where available.
Our Customer Service team is available daily from 9:00 AM to 6:00 PM.
Pay Later allows eligible customers to book a service without making an upfront payment. Payment can be made after the technician has completed the service.
You can choose from the following payment methods:
- Credit Card
- PromptPay
- Mobile Banking
- Pay Later
ProChang is a professional home service platform providing screened and qualified technicians for home repair, maintenance, and installation services.
Our services cover a wide range of home maintenance needs, including air conditioning, electrical work, plumbing, general repairs, installation, and other home improvement services. Customers can conveniently book services through the ProChang app.
ProChang provides a wide range of home repair, maintenance, and improvement services, including:
- Air conditioning services
- Electrical work
- Plumbing
- General home repairs
- Painting
- Roof repairs
- Appliance installation
- Remodeling and renovation
For jobs that require further assessment, our technicians can conduct an on-site inspection to identify the issue and recommend an appropriate repair solution before work begins.
What areas of the home can ProChang assist with?
Our technicians can assist with various areas and systems within your home, including air conditioning, electrical systems, plumbing, roofs, bathrooms, walls, ceilings, appliances, and general home repairs.
For renovation or more complex repair work, our team can inspect the site and recommend solutions based on the actual condition of the property.
How does the inspection and assessment process work?
Our technician will inspect the affected area to identify the issue and assess its possible cause.
After the inspection, we will recommend an appropriate repair method and provide details of the proposed work and estimated costs for your consideration before proceeding.
How can I contact ProChang?
📧 Email: support@prochang.com
📞 Tel: 093-939-7898
📍 LINE Official: @ProChang
Yes. ProChang provides a service warranty depending on the type of work performed. Typical warranty periods include:
- Plumbing: 3–6 months
- Electrical work: 3–6 months
- Air conditioning services: 30–45 days
Note: The warranty only covers issues resulting directly from the services performed by ProChang. Warranty periods and conditions may vary depending on the specific service and scope of work.
