Federal Customers
A&GS Contractor Inc is a trusted industrial HVAC and refrigeration contractor in the Puerto Rico private sector. We look forward to expanding our business and expertise into the public sector by partnering with your agency to improve your environment.

Company Data
CAGE: 9DZJ6
UEI: HJS2LL2NDKP5
SBA Profile: P2923397
NAICS Codes
238220 – Plumbing, heating, and air conditioning contractor
238220 – Central cooling equipment and piping installation
238220 – Commercial freezer installation
238220 – Cooling tower installation
Set Asides
Hispanic American-owned
Small Disadvantaged Business
HUBZone Certified
100% Local to Puerto Rico
Contact Information
Capabilities
Industrial HVAC – building, maintaining, and repairing large-scale HVAC systems in hospitals, hotels, and office buildings.
Ammonia refrigeration – building and maintaining complex thermodynamic systems using natural refrigerant (ammonia) or synthetic chemicals to chill food or pharmaceutical goods to below freezing temperatures.
Mobile chiller rentals – 4 large air chillers available for rent for months or years, installation and maintenance included in our services.
Differentiators
One of the only HVAC contractors in Puerto Rico to own our air chillers, cutting out the hassle of logistics and extra fees for our customers.
One of the only IIAR certified providers of ammonia refrigeration in Puerto Rico, as well as an industry-preferred partner to many well-known stateside suppliers.
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Our president has over 30 years of technical experience in the industry, and a reputation for answering when others do not and producing quality work.
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Certified welders and refrigeration technicians on staff reduce the need for subcontracting and bottlenecks in the field.
Our business specialist is well-versed in the FAR, having received a Master's Degree in Government Contracting & Procurement, reducing complex contract issues.
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Our lead engineer has a Professional Engineer license in both Puerto Rico and Missouri, as well as a Master's Degree in Engineering, with an emphasis in thermodynamics.
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Strong, years-long partnerships with mainland suppliers like Daikon, TRANE, and Carrier, as well as local carriers to ensure streamlined supply chain.
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Ballester Hermanos – food wholesaler, 2024, Dorado PR, ammonia refrigeration
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Martin Brower – commercial project, 2019, Bayamon PR, refrigeration system
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Asociacion de Empleados del Estado Libre Asociado – government building, 2019, Hato Rey PR, water chiller replacement​
For more information on past performance, email us at kkelch@agscontractorinc.com