DERRYBERRY'S MECHANICAL
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Derryberry's Mechanical has served Baytown, Texas since establishing as a licensed mechanical contractor. With 18 client reviews averaging 4.5 stars, the company specializes in multi-location commercial HVAC systems alongside residential heating and cooling solutions. Owner Lisa Pennington leads a team of factory-trained technicians serving the greater Baytown metro area including neighboring communities in Chambers County.
The company's commercial HVAC division stands out for retrofit and new-construction projects requiring integrated mechanical systems. Reviewers consistently note thorough explanations of diagnostic findings before any repair work begins, helping property managers understand equipment lifecycle decisions. The team maintains flexible scheduling Monday through Friday to accommodate business owners who cannot close during standard operating hours.
Customers highlight specific technicians by name when describing positive experiences. Alesia Pennington praised the crew for navigating a complex multi-location AC replacement across her facilities, noting the team managed each zone efficiently. Oscar Arredondo from Fire Detection Company described receiving step-by-step explanations throughout his commercial system overhaul. The sole critical review references vague concerns about industry practices but cites no specific incident or technician name.
What Customers Say
Four of five detailed reviewers awarded five stars, with two explicitly praising the team's diagnostic explanations. One commercial client noted successful multi-system coordination while the negative review offers no specifics about service or personnel.
Working Hours
| SundayToday | Closed |
| Monday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| Thursday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | Closed |
Services
Commercial HVAC Installation & Retrofit
Design-build and replacement services for office buildings, warehouses, and retail spaces requiring integrated multi-zone mechanical systems.
Multi-Location System Coordination
Managing repairs or replacements across properties with separate HVAC zones, coordinating permits and timelines for each location.
Preventive Maintenance Contracts
Scheduled filter changes, refrigerant checks, and diagnostics designed to extend equipment lifespan and prevent mid-season failures.
System Diagnostics & Troubleshooting
Root-cause investigation using thermal imaging and pressure testing to accurately identify issues before recommending repairs.
Emergency HVAC Repair
Priority response for system failures during business hours, particularly heat-related emergencies that threaten inventory or occupancy.
New Construction Mechanical rough-In
Collaboration with general contractors installing ductwork, vent systems, and equipment connections for commercial building projects.