Business Details
25 Years
experience
Emergency
services
Your Trusted HVAC Partner in Long Island and NYC
Founded in 2001, D & S Mechanical Services has established itself as a trusted provider of commercial and industrial HVAC solutions. Our family-owned business combines decades of hands-on experience with a commitment to technical excellence, offering 24/7 emergency services to minimize operational disruptions for our clients. Our team of EPA, OSHA-certified and Aeon-trained technicians specializes in HVAC installation, repair, and maintenance, serving Long Island and New York City's five boroughs. We maintain rigorous safety standards through ongoing staff training and invest in cutting-edge technology to deliver energy-efficient solutions. Our comprehensive service portfolio includes boiler maintenance, air purification systems, and building automation, backed by a 30-day labor warranty.As an approved vendor for Johnson Controls Facility Explorer systems, we provide remote monitoring capabilities and annual inspection programs to optimize system performance. Our customer-centric approach ensures personalized attention to every project, with transparent pricing and no hidden fees. We serve Nassau County, Suffolk County, and all five NYC boroughs, maintaining strong relationships with manufacturers to honor all material warranties. Our dedication to quality has made us a preferred partner for commercial and industrial clients seeking reliable climate control solutions.
Services
HVAC Installation
Boiler Repair
Air Purification
Building Automation
Emergency Services
Geothermal Systems
Duct Cleaning
Energy Audits
Steam Plant Maintenance
System Retrofits
Details
- Year established: 2001
Highlights and features
- We offer 24/7 emergency HVAC services for commercial operations
- Our team includes EPA, OSHA-certified and Aeon-trained technicians
- 30-day labor warranty on all installation and repair services
- Family-owned since 2001 with proven industry expertise
- Free estimates for all commercial HVAC projects
Services
HVAC Installation
We provide complete HVAC system installation for commercial and industrial properties, handling all fuel types including geothermal. Our factory-trained technicians ensure proper system sizing and energy-efficient implementation. With expertise in both new construction and system replacements, we guarantee optimal climate control performance for your business operations.
Emergency Repairs
Our 24-hour emergency repair service minimizes business downtime with rapid response to HVAC system failures. Certified technicians are available at all hours to address critical heating and cooling issues. We maintain a fleet of fully equipped service vehicles to handle urgent repairs across Long Island and NYC's five boroughs.
Building Automation
We implement advanced building automation systems for HVAC efficiency optimization. Our Johnson Controls Facility Explorer solutions enable remote monitoring and control of climate systems. This service improves energy management while maintaining ideal operating conditions for commercial environments through smart automation technology.
Air Purification
Our air purification services enhance workplace health with commercial-grade filtration systems. We install and maintain energy recovery ventilators, dehumidifiers, and industrial air cleaners. Specializing in dust, odor, and contaminant control, we create healthier environments for businesses while ensuring regulatory compliance with air quality standards.
Boiler Maintenance
We offer comprehensive boiler services including annual inspections, efficiency analysis, and emergency repairs. Our technicians handle all boiler types from cast iron to high-pressure steam systems. With specialized equipment for retubing, combustion testing, and code compliance, we ensure safe and efficient operation of industrial heating systems.
Questions
What areas do you service?
We serve all of Long Island including Nassau and Suffolk Counties, plus New York City's five boroughs: Manhattan, Brooklyn, Queens, Bronx, and Staten Island.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency HVAC services with rapid response times to minimize business disruptions for commercial and industrial clients.
What HVAC brands do you work with?
We service all major HVAC brands including Carrier, Trane, Greenback, and Johnson Controls systems for both installation and repair needs.
Are your technicians certified?
Our team includes EPA, OSHA-certified and Aeon-trained technicians who maintain current industry certifications for commercial HVAC systems.
Do you offer warranties on services?
We provide a 30-day labor warranty on all installation and repair services, plus we honor all manufacturer material warranties.
Can you handle industrial HVAC needs?
Yes, we specialize in industrial HVAC systems including process cooling, server room climate control, and large-scale commercial installations.
