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About GTS Alliance Mechanical Inc.
GTS Alliance Mechanical Inc. operates as an HVAC contractor serving New York City and surrounding boroughs. The business maintains a 5-star rating from 36 customer reviews, reflecting consistent service quality across residential and light commercial projects. Reviewers mention the contractor handles mini-split ductless systems, PTAC unit replacements, and complete heating and cooling system installations.
The contractor differentiates through specialization in modern ductless technology and responsive service. Customer feedback highlights competitive pricing compared to other area contractors, with one reviewer explicitly noting the cost advantage after receiving quotes from multiple companies. The team addresses uncommon repair scenarios, including rust repair on existing sleeves and custom fitting challenges that arise when new units do not match original installations.
Multiple reviewers specifically credit Vincent, a technician with the company, for handling same-day and short-notice service calls. He diagnosed refrigerant issues causing heating failure in a ductless system, resolved PTAC sleeve rust problems, and installed mini-split units described as flawless and super quiet. A reviewer noted Vincent explained every step of the work and answered all questions, demonstrating the communication style customers appreciate.
What Customers Say
All 36 reviews award 5 stars, with at least seven reviewers specifically naming Vincent as the technician who delivered the service. Multiple customers mention same-day or short-notice arrival, while positive feedback consistently cites diagnostic skill, fair pricing, and efficient work completion.
Services
Mini-Split & Ductless System Services
Installation, repair, and maintenance of mini-split and ductless split units including refrigerant diagnostics and system optimization.
PTAC Unit Replacement
Replacement of packaged terminal air conditioner units with custom fitting and sleeve repair services.
Central Air System Installation
Installation and replacement of traditional central air conditioning systems, including older system upgrades.
Heating System Services
Furnace installation and repair, including emergency heating system diagnostics and repair.
Commercial HVAC Systems
Commercial HVAC system replacement and installation for business properties.
Water Heater Installation
Water heater installation as part of complete system replacement projects.