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About THCB Mechanical LLC
THCB Mechanical LLC holds a perfect 5.0-star rating across 20 verified reviews in Chicago, Illinois. The contractor operates with around-the-clock availability, serving residential clients throughout the city and surrounding neighborhoods. Multiple reviewers describe the team as professional and knowledgeable, with particular praise for diagnostic accuracy and fair pricing.
With no website content available, the contractor distinguishes itself through availability and service approach rather than brand partnerships or specialized certifications. Reviewers consistently note transparent pricing and thorough explanations of repair processes before work begins. The business emphasizes getting the job done efficiently while maintaining quality standards.
Several reviewers describe specific interactions with Diego, a technician mentioned across multiple five-star accounts. Rosalie Pena notes Diego arrived quickly to resolve a furnace issue. Edgar Barbosa mentions same-day troubleshooting for a noisy furnace. Victory1painting Inc describes Diego diagnosing an AC problem and explaining the repair process in detail. Dalia Hernandez reports the team has handled her projects over multiple years, recommending them to family and friends.
What Customers Say
All eight sampled reviews award five stars. Diego is named as the technician in four of eight accounts, with three reviewers noting same-day or prompt response during urgent calls. Pricing appears twice, both times described as fair.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Furnace Repair & Troubleshooting
Diagnostic and repair services for furnaces not functioning or producing unusual noises, with same-day response available.
AC Repair & Maintenance
Air conditioning diagnostics, repair, and tune-ups. Reviewers describe fair pricing and systems performing better than ever post-service.
Heating System Service
Full heating system repair and maintenance. Multiple reviewers mention furnace issues resolved by the team.
Emergency HVAC Service
24-hour availability for urgent heating and cooling needs. Reviewers note same-day arrival during emergency situations.
System Diagnostics
Thorough problem identification with clear explanation. Technicians describe issues and walk customers through repair options.