Alter Harry Co

National Air Duct Maintenance Corporation, based in Chicago, IL, has been providing comprehensive HVAC ductwork and equipment maintenance services since 1970. With a focus on enhancing indoor air quality, their experienced engineering consultants offer expertise in air handling system maintenance, setup of indoor air quality monitoring, and improvement of work environments to reduce health problems, increase productivity, and lower energy and maintenance costs. With a strong commitment to eliminating the adverse effects of poor air quality, National Air Duct Maintenance Corporation offers a range of services aimed at improving the overall indoor environment. Their dedication to proper maintenance of air handling systems, including periodic cleaning of all system parts, ensures the highest standards of indoor air quality for commercial and industrial buildings, addressing issues such as sick building syndrome and its associated health risks.Generated from the website

Harry's Refrigeration Air Conditioning & Heating Service is a trusted provider of HVAC services in the Chicago, IL area. Specializing in refrigeration, air conditioning, and heating systems, the company offers reliable solutions for both residential and commercial clients. With a team of experienced technicians, Harry's Refrigeration Air Conditioning & Heating Service is dedicated to ensuring optimal indoor comfort and climate control. Customers can rely on the company for efficient repairs, maintenance, and installations to meet their heating and cooling needs. Generated from their business information

Shamrock Plumbing Sales, Inc. is a reputable manufacturers' representative agency based in Chicago, Illinois, with over 70 years of experience in the industry. They specialize in marketing and promoting plumbing supplies and heating equipment for residential, commercial, and industrial use throughout Illinois and Northwest Indiana. With a team of highly experienced sales executives, Shamrock Plumbing Sales, Inc. has established strong relationships with wholesalers, specifiers, and major manufacturing companies. They are dedicated to providing superior sales service and after-sales support to ensure customer satisfaction.Generated from the website