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Claim This BusinessTexas State Mechanical LLC operates as a licensed HVAC contractor based in Keller, serving the greater Fort Worth metroplex including Southlake, Trophy Club, and Colleyville. With a 4.8-star average across 17 verified client reviews, the company has earned a reputation for straightforward diagnostics and transparent pricing. Owner Sebastian Gonzalez manages service calls personally, responding to residential customers across these North Texas communities.
This contractor distinguishes itself through rapid turnaround. Reviewers consistently note same-day condenser replacements completed within hours, including one instance where Sebastian sourced and installed a replacement unit the same morning the customer reported the failure. Quote turnaround averages under two hours, according to multiple five-star reviews. The business treats clients like family, walking through repair details and recommending only essential equipment rather than pushing premium upgrades.
Sebastian handled a urgent same-day AC replacement during a summer heat wave, getting a customer back online by evening after they called at 11:30am. Multiple reviewers mention his honesty, Sebastian talked one customer out of purchasing more expensive equipment when a simpler fix resolved the issue. However, one client reported a breakdown recurrence and communication concerns following a subsequent repair attempt.
Six of seven detailed reviews award five stars, with all mentioning Sebastian by name. Same-day service appears in three reviews specifically. Negative feedback cites a recurring repair issue and professionalism concerns, while positive reviews emphasize honesty, fair pricing, and treating customers like family.
| Sunday | Closed |
| Monday | 7:30 AM–5:30 PM |
| Tuesday | 7:30 AM–5:30 PM |
| Wednesday | 7:30 AM–5:30 PM |
| ThursdayToday | 7:30 AM–5:30 PM |
| Friday | 7:30 AM–5:30 PM |
| Saturday | 7:30 AM–5:30 PM |
Identifies refrigerant leaks, capacitor issues, and compressor failures with honest recommendations.
Full system swaps completed same-day in many cases, with permit handling included.
Diagnoses furnace ignition problems, blower motor issues, and heating element failures.
Seasonal checkups to clean coils, check refrigerant levels, and extend system lifespan.
Discusses filtration upgrades and airflow improvements for residential homes.