We provide expert commercial HVAC services, ensuring businesses in Suffolk County stay comfortable and operational with reliable installations, repairs and maintenance.
Rose-Aire Co. is a family-owned and operated HVAC company proudly serving Nassau County, Suffolk County, and all of Long Island. As a regional market leader, we provide comprehensive heating, cooling, and mechanical contracting services for a wide range of clients, including:
High-end residential homes
Commercial properties & high-rise office buildings
Industrial facilities & warehouses
Logistics centers & multi-family residential buildings
Whether it’s new construction, renovation, design-build projects, system fabrication, or emergency HVAC services, our expert team delivers reliable solutions backed by decades of local experience. We also offer preventative maintenance programs to keep systems running efficiently year-round.
Our Long Island HVAC Services Include:
Design & Engineering – Customized HVAC solutions for residential, commercial, and industrial projects.
Professional Installation – Expert setup for new systems across Nassau and Suffolk County.
Service & Repair – Fast, dependable repairs to minimize downtime and restore comfort.
24/7 Emergency HVAC Services – Around-the-clock support when you need it most.
Commercial Maintenance Agreements – Tailored plans to extend system life and reduce operating costs.
As a leader in full-service mechanical contracting on Long Island, Rose-Aire Co. is committed to providing efficient, cost-effective, and long-lasting HVAC solutions for businesses and homeowners alike.
Contact us today to schedule HVAC services in Nassau County, Suffolk County, or anywhere across Long Island.
Breathe cleaner, healthier air with our indoor air quality solutions, including humidifier installation. We help reduce allergens, dust and dry air that can impact your comfort and well-being. Our humidifiers maintain optimal humidity levels, preventing dry skin, sinus issues and damage to wood furniture. Improve your office air quality and comfort—contact us today for expert installation and consultation!
Upgrade your property with ductless HVAC and split system installation from Rose-Aire Co., serving businesses and homeowners across Long Island, Nassau County, and Suffolk County. Perfect for buildings without existing ductwork, our energy-efficient ductless systems deliver flexible, zoned temperature control for maximum comfort.
Our licensed HVAC technicians provide seamless installation and setup, ensuring your system runs efficiently from day one. With ductless heating and cooling, you’ll enjoy:
Customizable comfort for different rooms or workspaces
Lower energy bills thanks to high-efficiency technology
Quiet operation ideal for offices, retail spaces, and homes
Year-round reliability in every season
From small businesses and office buildings to residential homes and multi-family properties, Rose-Aire Co. has the expertise to design and install the right ductless solution for your needs.
Contact us today to schedule your ductless HVAC installation in Nassau County, Suffolk County, or anywhere on Long Island.
See what your neighbors have to say...
I couldn't be happier with the service I received! The team was professional, on time and explained everything clearly. Thanks so much.
When our water heater broke down, they responded quickly and had it replaced the same day. The technicians were courteous, knowledgeable and left everything spotless. It’s hard to find such reliable service these days—these guys are the best!
We had a whole-house humidifier installed. The team at Rose-Aire was very knowledgeable and courteous. Thanks so much!
