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Business Details
50 Years
experience
Emergency
services
Trusted Commercial HVAC & Refrigeration Services
Since 1976, Day & Nite has built a reputation for excellence in commercial HVAC, refrigeration, and plumbing services, prioritizing equipment uptime through strategic approaches. Our team combines over 45 years of industry experience with cutting-edge technology and standardized operating procedures to deliver reliable, round-the-clock support for clients. We serve diverse sectors, including restaurants, healthcare facilities, and corporate clients, leveraging continuous innovation and a commitment to quality.

Our investments in training, mobile dispatch systems, and proprietary platforms like DNAS Connect ensure efficient service delivery. Headquartered in New York, weve expanded regionally while maintaining a focus on customer satisfaction and sustainable practices, including energy-efficient solutions and advanced air purification technologies.
Services
Commercial Refrigeration HVAC Services Plumbing Services Installation Services Performance Solutions Global Facilities Solutions Commercial Kitchen Service Emergency Repairs Sustainability Programs Warranty Repairs
Details
  • Year established: 1976
Highlights and features
  • We have over 45 years of experience in commercial HVAC and refrigeration services.
  • Our 24/7 emergency service ensures immediate response for critical issues.
  • Certified technicians with ongoing training and industry certifications.
  • Custom preventative maintenance programs to maximize equipment uptime.
  • Advanced technology solutions like Bi-Polar Ionization for air purification.
Associations and certifications
  • CFESA
  • MSCA STAR
What people say
Award-winning suite Experienced technicians saved the day Outstanding team Maximum uptime guarantee Industry leading technology
Services
Commercial Refrigeration
We maintain and repair commercial refrigeration systems, including deli cases, freezers, and walk-ins. Our CFESA-certified technicians ensure optimal performance for restaurants, healthcare facilities, and labs. Proactive maintenance reduces energy costs and extends equipment lifespan.
HVAC Services
Our CFC-certified technicians provide HVAC installation, repair, and maintenance for commercial properties. Services include Bi-Polar Ionization for air purification, ensuring energy efficiency and compliance with environmental standards across New York and the East Coast.
Plumbing Services
We offer full-service plumbing solutions, including emergency repairs, grease trap maintenance, and eco-friendly waste management. Our licensed plumbers serve corporate dining facilities and retail spaces, prioritizing sustainability and regulatory compliance.
Performance Solutions
Our Performance Solutions include Bi-Polar Ionization technology for air purification and energy-efficient upgrades. These programs reduce operational costs by improving HVAC and refrigeration efficiency, aligning with LEED sustainability goals.
Global Facilities Solutions
We provide consolidated vendor networks and asset management reporting for commercial clients. This includes access to advanced technology platforms and cost-saving strategies to enhance equipment uptime and operational efficiency.
People
Matthew Sher
President/CEO
Matthew Sher has led Day & Nite's strategic growth since 2020, focusing on expanding regional operations and integrating technology to improve service efficiency and client satisfaction.
Michael Berman
Chief Operating Officer
Michael Berman oversees daily operations, ensuring adherence to high service standards while driving process improvements and technological advancements across Day & Nite's service divisions.
Brett Sher
VP of Operations & Install
Brett Sher specializes in optimizing installation processes for HVAC and refrigeration systems, leveraging over two decades of experience to enhance project delivery and client outcomes.
David Sher
VP of Service
David Sher manages service delivery for Day & Nite, ensuring rapid response times and technical excellence in maintenance and emergency repairs for commercial clients nationwide.
Jeanne DeLessio
General Manager of Installation
Jeanne DeLessio leads installation operations, prioritizing precision and customer satisfaction in deploying HVAC, refrigeration, and plumbing systems for new and existing commercial facilities.
Questions
What hours does Day & Nite provide emergency HVAC and refrigeration service?
We offer 24/7 emergency services for HVAC and refrigeration issues, ensuring immediate technician response for critical equipment failures.
Which areas do Day & Nite's plumbing services cover?
Our plumbing services extend across the East Coast, including New York, New Jersey, Florida, Washington DC, and Texas, with specialized grease trap and drainage solutions.
What certifications do Day & Nite's technicians hold?
Our technicians are CFC, NYFD, MSCA STAR, and CFESA certified, with ongoing training in the latest HVAC, refrigeration, and plumbing technologies.
How can businesses reduce energy costs through Day & Nite's services?
Our Performance Solutions, including Bi-Polar Ionization and preventative maintenance, improve system efficiency, lowering energy consumption by up to 40% for commercial clients.
What types of industrial sectors does Day & Nite support?
We serve restaurants, healthcare facilities, hospitality venues, IT/critical spaces, corporate dining, and stadiums, offering tailored HVAC, refrigeration, and plumbing services.
Does Day & Nite provide manufacturer warranty repairs?
Yes, we offer authorized warranty service for leading HVAC and refrigeration brands, including Comfort-Air, Carrier, and Alto-Shaam, with on-site factory training.