Business Details
25 Years
experience
Emergency
services
Your Trusted HVAC Partner in Islip Terrace, NY
D & S Mechanical Services has been a trusted provider of commercial and industrial HVAC solutions since 2001. Our family-owned business combines decades of hands-on experience with cutting-edge technology to deliver reliable heating, ventilation, air conditioning, and building management services. Our team of EPA, OSHA-certified, and Aeon-trained technicians specializes in system design, installation, maintenance, and emergency repairs across Long Island and New York's Five Boroughs.We prioritize energy efficiency, code compliance, and client satisfaction through 24/7 emergency services, free estimates, and a 30-day labor warranty. As an approved Johnson Controls Facility Explorer vendor, we offer advanced building automation systems to optimize operational efficiency. Our commitment to ongoing safety training ensures every project meets the highest industry standards while maintaining transparent communication with clients throughout the service process.
Services
HVAC Installation
Boiler Services
Air Purification
Building Management
Emergency Repairs
Geothermal Systems
Ductless AC Units
Energy Audits
System Maintenance
Code Compliance
Details
- Year established: 2001
Highlights and features
- Family-owned since 2001 with 24 years of industry experience
- EPA, OSHA-certified and Aeon-trained professional technicians
- 24/7 emergency services with rapid response times
- 30-day labor warranty on all service work
- Approved Johnson Controls Facility Explorer vendor for automation systems
Associations and certifications
- EPA
- OSHA
- Aeon
- Johnson Controls Facility Explorer
Services
HVAC Installation
We provide complete HVAC system installations for commercial and industrial properties. Our certified technicians handle all makes and models, including high-efficiency units and geothermal systems. Every installation includes system load calculations and code compliance checks to ensure optimal performance and energy efficiency.
Boiler Services
Our factory-trained experts perform boiler maintenance, repairs, and installations for steam and hot water systems. Services include combustion analysis, retubing, efficiency testing, and safety valve inspections. We service all fuel types including natural gas, oil, and electric boilers up to 150 HP.
Air Purification
We install and maintain advanced air purification systems for commercial spaces. Our solutions include HEPA filters, UV germicidal lights, and energy recovery ventilators. Our EPA-certified technicians ensure proper system integration with existing HVAC infrastructure for improved air quality and regulatory compliance.
Building Management
Our Johnson Controls Facility Explorer systems provide remote monitoring and control of commercial HVAC operations. We offer annual inspections, energy management programming, and system integration services to optimize building efficiency while maintaining occupant comfort and safety standards.
Emergency Repairs
We provide 24/7 emergency HVAC repair services for commercial and industrial clients. Our rapid response team handles system breakdowns, refrigerant leaks, and equipment failures with same-day service. All emergency repairs include a 30-day labor warranty for client peace of mind.
Questions
What areas do you service?
We serve all of Long Island and New York City's Five Boroughs, including commercial and industrial properties in Nassau, Suffolk, Queens, Brooklyn, Manhattan, The Bronx, and Staten Island.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency HVAC repair services with rapid response times for commercial and industrial clients across our service area.
What HVAC systems do you specialize in?
We specialize in commercial and industrial HVAC systems including geothermal heating, ductless mini-splits, central air conditioning, boiler systems, and building automation controls.
Are your technicians certified?
Yes, all our technicians are EPA and OSHA-certified, with additional Aeon training for advanced HVAC system diagnostics and repairs.
Do you offer warranties on services?
We provide a 30-day labor warranty on all service work, and honor all manufacturer warranties for replacement parts and equipment.
How can I request service?
Call us at 631-581-4490 anytime for immediate assistance, or contact us through our website for scheduled maintenance and system consultations.
