Aerco International and Asbestos-Containing HVAC Equipment

Aerco International is an American manufacturer of commercial and industrial heating and hot water equipment, known primarily for its boilers, water heaters, and related HVAC systems. The company’s products were widely specified for institutional, commercial, and industrial buildings across the United States from the mid-twentieth century onward. According to asbestos litigation records, certain Aerco equipment manufactured and sold during the peak era of asbestos use — roughly the 1940s through the early 1980s — contained asbestos-containing components or was installed alongside asbestos-containing insulation materials as part of standard industry practice.

Workers who installed, serviced, repaired, or removed Aerco heating equipment during this period may have encountered asbestos-containing materials. Families researching occupational exposure histories and attorneys documenting jobsite asbestos contact will find the following reference information relevant to understanding Aerco’s role in the broader landscape of asbestos-containing HVAC products used on American worksites.


Company History

Aerco International has operated as a U.S.-based manufacturer of commercial and institutional heating equipment for decades. The company’s core product lines have historically centered on high-efficiency boilers, water heaters, and heat exchangers designed for large-scale applications such as hospitals, schools, universities, hotels, and office buildings. Aerco equipment was frequently specified by mechanical engineers and contractors as part of central heating systems in buildings constructed or renovated from the post-World War II era through the 1980s.

During the mid-twentieth century, the HVAC and boiler manufacturing industry broadly relied on asbestos as a component material. Asbestos was used throughout the industry as an insulating material within boiler casings and fireboxes, as rope and gasket packing around high-heat connections, and within refractory cements and insulating boards designed to contain and direct heat. These uses reflected standard engineering practice of the era, when asbestos was widely understood to be an effective, durable, and fire-resistant material. Aerco, like many manufacturers of heating equipment active during this period, produced or supplied products that court filings document as having contained asbestos materials or having required asbestos-containing accessory components for proper installation and function.

Aerco is understood to have substantially ceased the use of asbestos-containing materials in its products by approximately the early 1980s, consistent with broader regulatory pressure from the U.S. Environmental Protection Agency and the Occupational Safety and Health Administration during that period, as well as the growing recognition of asbestos-related disease liability in American industry.


Asbestos-Containing Products

According to asbestos litigation records, plaintiffs alleged that certain Aerco boilers and water heating equipment manufactured during the 1940s through approximately the early 1980s contained or required asbestos-containing components as part of their standard construction or installation. Court filings document that the following categories of asbestos-containing materials were associated with Aerco heating equipment during this era:

Boiler Insulation and Refractory Materials. Plaintiffs alleged that boiler units manufactured by Aerco during the relevant period incorporated asbestos-containing refractory cement, insulating board, and block insulation within the firebox and combustion chamber areas. These materials were designed to withstand the extreme temperatures generated during boiler operation and were standard components of boiler construction during this period.

Rope and Braided Packing. Court filings document allegations that asbestos rope and woven packing materials were used around boiler doors, access panels, and pipe connections in Aerco equipment. This type of packing was intended to create a heat-resistant seal at high-temperature junctions and was an industry-standard component in boiler construction for much of the mid-twentieth century.

Gaskets. According to asbestos litigation records, plaintiffs alleged that asbestos-containing gaskets were used at pipe flanges, valve connections, and other mechanical joints integral to Aerco boiler and water heater systems. Asbestos gasket materials were commonly specified for pressurized, high-temperature systems throughout the HVAC industry during this era.

Thermal Insulation Applied During Installation. Court filings document that Aerco heating equipment was routinely installed with asbestos-containing pipe insulation, block insulation, and finishing cements applied by insulation contractors and pipefitters as part of standard mechanical system installation. While these materials were not manufactured by Aerco, workers involved in installing, maintaining, and removing Aerco equipment were frequently exposed to asbestos-containing insulation applied in proximity to the company’s products.

It should be noted that the specific product models associated with asbestos content in litigation records have not been comprehensively catalogued in publicly available sources. Workers and attorneys seeking to establish product-specific exposure documentation should consult deposition records, product identification databases maintained by asbestos litigation defendants, and occupational histories developed in conjunction with experienced asbestos attorneys.


Occupational Exposure

The workers most likely to have encountered asbestos-containing materials associated with Aerco heating equipment include those employed in the installation, maintenance, repair, and eventual removal of commercial and institutional heating systems. According to asbestos litigation records, the following trades and occupational groups have alleged exposure in connection with Aerco and similar HVAC equipment:

Boiler Operators and Boilermakers. Workers who regularly serviced boilers — replacing gaskets, packing boiler doors, relining fireboxes, and repairing insulation — performed tasks that plaintiffs alleged generated significant quantities of asbestos-containing dust in confined mechanical spaces.

Pipefitters and Steamfitters. Tradespeople who connected, repaired, and modified the piping systems associated with boilers and water heaters regularly cut, fitted, and handled asbestos-containing pipe insulation and gasket materials. Court filings document that this work frequently occurred in close proximity to boiler equipment manufactured by multiple companies, including Aerco.

Insulation Workers (Insulators). Workers who applied and removed thermal insulation from boiler systems and associated piping were among the most heavily exposed to airborne asbestos fibers in the HVAC trades. Plaintiffs alleged that insulators working on Aerco boiler installations were routinely exposed to asbestos-containing block insulation, blanket insulation, and finishing cements applied directly to or adjacent to Aerco equipment.

HVAC Mechanics and Building Maintenance Workers. Maintenance personnel employed at hospitals, schools, universities, hotels, and other large commercial or institutional facilities who serviced and repaired boiler systems containing Aerco equipment may have disturbed asbestos-containing gaskets, packing, and insulation in the course of routine maintenance work.

Construction Trades. General construction workers, laborers, and sheet metal workers involved in building mechanical system installation may have been present in areas where asbestos-containing materials associated with Aerco boiler installations were mixed, applied, or disturbed.

Asbestos-related diseases, including mesothelioma, asbestos lung cancer, and asbestosis, typically develop decades after the initial period of exposure. Workers employed in HVAC and building mechanical trades during the 1940s through 1980s who have received such diagnoses may have relevant exposure histories connected to the types of products documented in asbestos litigation records involving Aerco and similar manufacturers.


Aerco International has been named as a defendant in asbestos personal injury litigation. According to asbestos litigation records, plaintiffs have alleged that Aerco manufactured, sold, or supplied asbestos-containing HVAC equipment that caused or contributed to asbestos-related illness. Court filings document that these claims have been pursued in civil courts. Aerco International has not established an asbestos bankruptcy trust fund, meaning that claims against the company, if pursued, would proceed through the civil tort system rather than through a trust claims process.

Because Aerco does not have a trust fund, individuals seeking compensation for asbestos-related illness allegedly connected to Aerco equipment must file claims through traditional civil litigation. Aerco’s legal status as an ongoing company — rather than a bankrupt entity — means that any recovery would be sought directly from the company in court proceedings.

Workers and families researching Aerco-related asbestos exposure should be aware that civil asbestos claims are subject to statutes of limitations that vary by state and by disease type. Consulting with an attorney experienced in asbestos litigation as soon as a diagnosis is received is important to preserving legal rights.


Trust Fund: Aerco International does not have an established asbestos bankruptcy trust fund. Compensation claims cannot be submitted through a trust process.

Civil Litigation: Individuals diagnosed with mesothelioma, asbestos-related lung cancer, or asbestosis who have an occupational history involving Aerco boilers, water heaters, or associated HVAC equipment may have grounds to pursue civil litigation. According to asbestos litigation records, such claims have been filed against Aerco in connection with alleged asbestos exposure from its heating products.

Other Trust Funds: Workers who were exposed to Aerco equipment were frequently exposed simultaneously to products from other manufacturers — including insulation manufacturers, gasket manufacturers, and valve makers — many of whom have established asbestos bankruptcy trust funds. An experienced asbestos attorney can evaluate a complete occupational history to identify all potential sources of compensation, which may include trust fund claims against other defendants alongside civil claims against Aerco.

Next Steps: Workers and families seeking to understand exposure history, pursue a diagnosis evaluation, or explore legal options should consult with a qualified asbestos disease physician and an attorney with documented experience in asbestos personal injury claims.