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Claim This BusinessThompson Mechanical, Inc. has operated from Warren, Ohio since 1978, delivering heating and cooling solutions to homeowners and businesses across the Mahoning Valley. The company holds state and local licenses, maintains bonding and insurance coverage, and employs NATE-certified technicians. With a rating of 4.6 stars drawn from 150 reviews, Thompson Mechanical serves Warren, Youngstown, Niles, and surrounding communities in northeastern Ohio. The company operates Monday through Friday from 7:30 AM to 4:30 PM, with after-hours emergency service available for urgent HVAC failures.
What distinguishes Thompson Mechanical from regional competitors is its breadth of manufacturer certifications and trade affiliations. The company holds EPA Refrigerant Recovery Certification and maintains active membership in the Better Business Bureau, the Builders Association of Eastern Ohio and Western Pennsylvania, SMACNA, and the Air Conditioning Contractors of Ohio. This standing reflects ongoing adherence to industry standards and continuing education requirements. All service technicians complete factory training programs, and the company offers customized preventive maintenance contracts designed to extend equipment lifespan and reduce unexpected repair costs.
Customer reviews repeatedly mention service technician Mark Stokes by name for delivering prompt, effective repairs. One homeowner described waiting two weeks after the repair to confirm the fix held, noting Stokes handled burst water lines without hesitation. Another review describes Stokes diagnosing a furnace issue within 15 minutes. The company also handles commercial installations, serving retail properties and rental portfolios across the service territory.
Five of six named-reviewers mention Mark Stokes and describe his diagnostic speed and repair quality. The single one-star review involves a pricing dispute with an owner, while the remaining five-star reviews cite friendly technicians and quick response times.
| Sunday | Closed |
| Monday | 7:30 AM–4:30 PM |
| Tuesday | 7:30 AM–4:30 PM |
| Wednesday | 7:30 AM–4:30 PM |
| ThursdayToday | 7:30 AM–4:30 PM |
| Friday | 7:30 AM–4:30 PM |
| Saturday | Closed |
Complete split system and package unit installations using various refrigerated split and heat pump configurations.
Gas furnaces, oil furnaces, boilers, and heat pump heating systems serviced and installed.
Rooftop units and package systems for retail and light commercial properties.
New heating and cooling equipment sales, including generators and mini-split zone systems.
Annual service contracts designed to maintain equipment efficiency and extend system lifespan.
Ventilation improvements and air filtration products for residential and commercial applications.
Diagnosis and replacement of degraded duct systems to restore proper airflow distribution.