What We Do
Commercial Services Built for Demanding Environments
From rooftop HVAC installs to full electrical fit-outs, we deliver reliable mechanical and electrical systems for commercial and industrial clients across Nassau and Suffolk County.
Three Core Disciplines. One Trusted Contractor.
All Environmental Services has been installing, maintaining, and servicing commercial HVAC, refrigeration, and electrical systems for over 25 years. Every project is handled by licensed technicians who understand the demands of commercial environments — tight timelines, code compliance, and systems that simply cannot fail.
HVACCommercial HVAC Installation & Service
Engineered comfort for offices, retail, restaurants, and industrial facilities.
We design and install commercial HVAC systems that keep your building comfortable year-round while minimizing energy costs. From rooftop packaged units and split systems to multi-zone VRF installations, our team handles projects of every scale — new construction, retrofits, and full replacements.
- Rooftop packaged unit installation & replacement
- Split system & mini-split installation
- Multi-zone VRF / VRV systems
- Ductwork design, fabrication & installation
- Preventive maintenance contracts
- Emergency repair & 24/7 service
RefrigerationCommercial Refrigeration Systems
Cold storage and display refrigeration for food service, retail, and industrial use.
Keeping product cold is non-negotiable. We install and service walk-in coolers and freezers, reach-in display cases, supermarket refrigeration systems, and industrial cold storage. Our technicians are EPA 608 certified and experienced with all major refrigerant types including low-GWP alternatives.
- Walk-in cooler & freezer installation
- Supermarket display case systems
- Industrial cold storage & blast freezers
- Refrigerant leak detection & repair
- EPA 608 certified technicians
- Preventive maintenance & 24/7 emergency service
ElectricalCommercial Electrical Systems
Licensed electrical work for new construction, renovations, and tenant fit-outs.
Our licensed electricians handle the full scope of commercial electrical work — from service upgrades and panel installations to lighting retrofits and power distribution for new builds. We work closely with general contractors, property managers, and facility teams to keep projects on schedule and up to code.
- Electrical service upgrades & panel installation
- Power distribution & branch circuit wiring
- Lighting installation & LED retrofits
- Tenant fit-out & new construction wiring
- Emergency generator hookup & transfer switches
- Code compliance inspections & corrections
Why Contractors & Property Managers Choose Us
25+ Years in the Field
Decades of hands-on experience with commercial systems across Long Island.
Licensed & Insured
Fully licensed in New York State. Comprehensive liability and workers' comp coverage on every job.
24/7 Emergency Response
When a system goes down, we pick up. Emergency service available around the clock.
Single-Source Contractor
HVAC, refrigeration, and electrical under one roof — fewer vendors, simpler coordination.
Ready to Get Started?
Tell us about your project and we'll put together a detailed quote — usually within 24 hours.