Every job matters.

Over 55 years of experience and real focus on customer satisfaction.


As industry leaders in an ongoing quest for excellence, in Aireko Services and Installations (ASI) we combine technical expertise and practical experience in order to offer real solutions for our clients.

We are constantly searching for ways to better serve our clients and outperforming challenges. Our job is to help our clients run their businesses without worrying about everyday problems.

We work hard to earn our client’s trust, and keep great companies performing better.

We are here for our clients, 24/7.

ASI offers commercial and industrial air conditioning (HVAC) maintenance programs and repairs through custom designed programs with on-site or on-call services 24/7.

Our experienced staff is highly trained and licensed to find fast and accurate solutions.

We customize programs with the aim of keeping your mechanical, electrical, and building control systems operating at the optimum. Programs such as:

Preventive Maintenance Programs
The benefits of a well planned and executed Preventive Maintenance program result in higher energy efficiencies, increased reliability, extension of equipment life spans, reduction of untimely and sometimes costly repairs while providing a more productive work environment.

Full Labor Maintenance Programs
In addition to a well planned and executed Preventive Maintenance (PM) program, a Full-Service Labor program builds upon the PM program with a more comprehensive offering that normally includes all PM labor, 24-hour emergency labor costs, and labor to perform repair services. The benefits are many, including a more effective method for annual budgeting.

Full Service Maintenance Programs
The Full Service program is essentially all required PM services, 24 emergency service, repair and replacement Facilities and replaceable components with labor, parts, and materials costs included. The most effective way to budget for your systems needs and with much greater peace of mind for our clients.

Installation, rental, and repair of all type of HVAC Systems.

We specialize in optimizing facility equipment and critical systems so our clients can focus on improving upon their business. We partner with our clients to provide tactical facilities solutions that help customers enhance productivity, and reduce operating and capital cost.

Mobile Facilities Services
Our rapid response team is available 24 hours a day, 7 days a week.

On Site Facility Operations
A dedicated team of expert technicians maintaining and operating your facility according to your specific needs.

National Accounts & Multi Location Facility Services
We provide complete service solutions to clients with multiple locations around Puerto Rico and the Caribbean.

As a need of integrated mechanical and electrical services, ASI provides customers with a broad array of technology solutions. From building automation to fire alarm systems to custom designed remote monitoring, ASI can help your facility run at the speed of light. We can tailor technology systems to your specific needs including post installation maintenance. Remote monitoring and connect services are available in any of our maintenance packages.

Among our mechanical services we offer commercial and industrial systems for all type of building and uses.

We specialize in chilled water and HVAC systems installations, replacements and upgrades, HVAC retrofits, mechanical piping works both above ground and underground, as well as plumbing works.

We also have extensive experience in pharmaceutical and biotechnology clean room environments.

Our team of experts is able to get customized solutions that go beyond offering support; we become partners as key drivers in performance by achieving and exceeding objectives.

ASI helps clients to develop their annual capital construction budgets and offers pre-planning services, design build and turnkey services for any type of improvement or retrofit catered to every job because every job matters.

Our multidisciplinary staff seeks excellence by offering solutions to predicted or unscheduled tasks to guarantee the project’s success, on time and on budget.

Our degreed engineers, project managers, and skilled tradesmen bring all of their skills and knowledge together in the diagnostics of a facility. Whether it's the mechanical (HVAC, Plumbing) or electrical systems, general facility repairs and improvements to architectural and structural features of a building, including concrete, masonry, and finishes.

To continuously assist our clients with better alternatives regarding optimal energy solutions, ASI provides photovoltaic and microgrid services tailored to suit specific needs. With our turn-key concept that includes upgrades, repairs, monitoring, and maintenance, our energy experts can design and optimize multiple energy sources and storage solutions in order to provide more resiliency and energy savings for our customers.

Either if your company has an existing solar system or a generator, or if you want to start switching to more a reliable and energy-efficient alternative, ASI can design an integrated microgrid system to better suit your company’s needs. Also, our microgrid systems are integrated into ASI’s remote monitoring, generators and other services.

Some of the services and benefits of our solar energy and microgrid systems include:

• regular inspections of existing systems to make sure they comply with the requirements and are working properly.
• proper maintenance to maximize energy production and savings.
• system upgrades to include the integration of additional renewable energy sources, energy storage and microgrids.
• real-time remote monitoring and reports of energy storage and usage.
• business continuity with reliable and continuous power during utility outages.
• energy independence for business continuity and faster recovery after catastrophic events.
• additional direct energy savings from renewable energy sources and less maintenance and fuel dependency.
• promotes environment conservation with the integration of renewable energy and intelligent management of energy sources to help reduce the use of fossil fuels.

ASI provides boiler sales and services to Puerto Rico and the Caribbean region. With a staff of over 40 well-trained, expert multidisciplinary engineers and technicians, ASI continues to guarantee the best planning, installation, commissioning and maintenance of steam generation and hydronic systems. 24/7 repairs, troubleshooting, preventive and corrective maintenance services are available for all steam applications. ASI is also the exclusive representative of Cleaver Brooks boilers for Puerto Rico, and US and British Virgin Islands.

Sales, rental, installation, and repair of all type of steam generation and hydronic systems.

Companies, big or small, who own one or more generators, or those who rely on gensets extensively for prime power, require constant maintenance. ASI’s Full Power Generator Services provides a reliable maintenance schedule that complies with the manufacturer’s requirements to ensure maximum service time for the generator and proper operation when it is needed to provide power.

As part of the regular maintenance services, our gensets experts will:

• check all parts and replace those that are not properly functioning.
• install and replace parts using the standard National Electrical Code.
• our staff will keep you up-to-date with all local and federal certifications to avoid penalties or liabilities.
• help prevent and maintain your generators in optimum capacity to ensure business continuity.

Our services also include:

• repair and maintenance of all brands of emergency generator sets and automatic transfer switches.
• regular cleanups, painting and anticorrosive treatments.
• sound barrier installations or modifications to minimize noise.
• oil change and fluid checkups.
• cranes and heavy equipment loading and transport.
• permit renewals.
• on-site fuel delivery.
• boom truck rental.
• emergency generator rental.
• remote monitoring.

Other component of our Business Continuity offerings is potable water management. ASI can provide installations, repairs and maintenance of all water pumping systems and cisterns. Using our remote monitoring system, ASI can prevent water supply failures that can cost a fortune in business interruption and community impact. Commercial, industrial and condominium services are available.

About Us

Aireko Services and Installations (ASI) has been planning, building and maintaining HVAC-R, mechanical, and electrical projects since 1963 in over 50 industrial, commercial and institutional facilities in Puerto Rico and the Caribbean.

As part of Aireko Enterprises and with over 60 employees, ASI combines experience, reliability and customization for all your facilities needs to assist in making your place of business, a better place to do business.

With business alliances with other US based construction services leaders, ASI has access to a great number of resources and expertise unrivaled by other companies.

Also, all those years of experience and great business results guarantee great relationships with the local workforce, vendors, subcontractors, and government agencies in varied contracting methods.

Josen Rossi
Chairman of the Board &
Executive Owner

BSCE, Cornell University 1980
MBA, University of Virginia 1989

Mr. Rossi is Chairman and majority owner of AIREKO General Construction. Josen has managed civil, institutional and industrial jobs for the Company since 1980, and is particularly experienced in fast track CM/GC and Design-Build Construction. He has also directed the development of AIREKO’s computerized estimating, cost control, and management systems.

Mr. Rossi is also actively involved through the company and personally in community and industry associations such as the Puerto Rico Manufacturer Association, the AIREKO Foundation, and the Young Presidents Organization.

Waldemar Toro
President & Board Member

BSEE – Polytechnic University of Puerto Rico MS Construction Management – Polytechnic University of Puerto Rico

Mr. Toro has over 20 years of experience in the electrical and mechanical disciplines, as well as the construction management fields, overseeing multimillion-dollar projects in both the public and private sector, including industrial, institutional, commercial and residential projects.

As General Manager of Aireko Services and Installations (ASI) he is committed to helping clients maximize operating results to excel in the overall achievement of their development objectives, as a one single source for HVAC and electrical upgrades and shutdowns, tenant improvements, and general construction maintenance services. He is a member of the IEEE and PMI.

Lorenzo Dragoni, P.E.
Board Member

BSME, University of Puerto Rico - Mayagüez Campus 1964 - P.R. License 4507

Mr. Dragoni has had ample experience in plant engineering, mechanical contracting, and general construction of industrial plants. He has pioneered the construction of special mechanical projects in Puerto Rico and Central America such as solar energy systems, and custom-built A/C and energy recovery systems.

He has also served as President and Board Member of Puerto Rico’s Mechanical Contractors Association, and leads Aireko’s preconstruction and construction management team, as well as the building systems maintenance and installation services.

Charles Reagan
Board Member

BSME – SUNY Syracuse

Mr. Reagan business experience includes managing the myriad of issues involved in growing and developing a privately held company including ownership and management succession, acquisitions, divestitures, sales, marketing, and LBO transactions and growth.

Prior to acquiring his company Mr. Reagan held a variety of positions in manufacturing, sales and management at the air conditioning equipment producer Carrier Corporation and the International construction firm Kimbach Company.

James Tustin Sasser
Board Member

BA, Grove City College

Partner and president of The Tustin Group (TMS LLC), a provider of advanced HVACR mechanical solutions for commercial, institutional and industrial customers in the Southern Eastern Pennsylvania, Delaware and Southern New Jersey areas. He is also a board member of Aireko Enterprises, an integrated construction services enterprise based in Puerto Rico.

Tus has been in the mechanical services industry for nearly thirty years, 20 of which have been with his own company. What was once a two-person mechanical services company in 1992 is now a multi-disciplined family of companies offering mechanical contracting and service solutions, water treatment solutions and advanced building energy management solutions to hundreds of industrial and commercial customers.

Carlos Rivera
Vice President Services Group

BSME, University of Puerto Rico at Mayaguez

Mr. Rivera is a general manager, business developer and operations leader experienced in energy, industrial and service companies. 20+ years of successful international practice in large and Fortune 500 corporations.

As Vice President of Aireko Services (ASI) he is committed to helping clients maximize results and objectives providing a single source of HVAC, Automation, Energy and Water Management Solutions.

James Gillen
Board Member

BS in Business Administration Drexel University 1984
CPA License since 1987

Mr. Gillen has over 30 years of Financial Management experience in the construction industry. He has directed due diligence and analysis on numerous acquisitions and served on various construction company Board of Directors.

He is also the Chief Financial Officer at The Tustin Group, LLC.

Steve Fluck
Board Member

Mr. Fluck has over 27 years of experience in the HVAC/R industry. He started his career as a Service Technician working on a variety of equipment from residential to industrial ammonia systems. Also, he has led several initiatives such as the implementation of a mobile solution for field technicians, centralized dispatch operations, and integration of acquisitions into the Tustin Group.

He has been at The Tustin Group for the past 15 years, working his way through the management ranks with a focus on business growth, profitability, and company culture.

Zero-Accident culture is one of the values that drive our company to success. We consistently perform to the safety, housekeeping, quality and project controls standards of our clients.

Our constant, well below industry average injury and accident record is a testament of our solid, proactive, comprehensive safety program we provide our workforce, our clients and our community.

We care about our clients; and we care about our resources. We have developed long, lasting relationships that continue to grow with trust and excellent results.

Our team of professionals excels in keeping the lines of communication open, meeting expectations, maintaining reliable and accurate reports and always focusing on the needs of our clients to find innovative ways to better serve them. We work collaboratively with our clients and, through the integration of services we can add value and offer better costs and results, while providing support and guidance for all their needs.

We are totally committed to customer satisfaction, first class service, safety and a responsible approach to the environment, resulting in a positive impact to the communities we work. Our company is committed into always finding better ways to deliver our clients vision, with zero accidents, and with lesser impact to the environment and with the best results, every time.



Postal Address:

P.O Box 11566
San Juan, PR 00922-1566

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