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Claim This BusinessAbout Cornerstone Mechanical Inc
Cornerstone Mechanical Inc operates as an HVAC contractor serving New York, NY. The business holds a 5-star rating across 3 customer reviews, reflecting consistent service quality appreciated by local clients. The company focuses on heating and cooling system repair and maintenance for residential properties throughout the city.
What distinguishes Cornerstone Mechanical Inc is their ability to diagnose and resolve heating issues that stumped previous service attempts. Reviewers specifically mention the team's skill in identifying root causes of system failures, going beyond surface-level repairs to address underlying problems.
One reviewer detailed an experience where technicians John and James resolved a persistent heating problem in their apartment where heaters were blowing cold air. The team had visited previously without success, but Cornerstone Mechanical Inc identified the exact issue. They also provided creative suggestions for addressing insulation concerns in a rental property, demonstrating both technical expertise and thoughtful customer care.
What Customers Say
All three reviews award 5 stars, with customers specifically praising the team's diagnostic abilities and mentioning technicians John and James by name for their kindness and problem-solving approach.
Services
Heater Repair & Troubleshooting
Diagnostic services to identify and fix heating system failures including issues where heaters blow cold air despite thermostat commands.
AC Repair & Maintenance
Air conditioning system repair and preventive maintenance for residential properties throughout New York.
System Diagnostics
Comprehensive inspection to determine root causes of HVAC problems, including issues other contractors could not resolve.
Heating System Tune-Ups
Preventive maintenance services to optimize heating system performance and extend equipment lifespan.
Emergency HVAC Service
Urgent repair services for system failures that create immediate comfort or safety concerns.