AA Service Co.

AA Service Co., based in Northbrook, IL 60062, has been delivering trusted heating, cooling, plumbing, sewer, and electrical services for over 50 years. As a family-owned business with a strong tradition, we are known for our fast response, fair pricing, and exceptional service quality. Our team of N.A.T.E.-certified experts continuously trains to ensure the best solutions for your home or business.

We specialize in furnace installation, providing reliable, energy-efficient heating systems ready to handle even the coldest winters. We also offer AC repair, with quick diagnostics and repairs to keep your space comfortable during hot summer months. Our regular maintenance programs help extend the life of your equipment, reduce energy costs, and prevent expensive breakdowns.

In addition to heating and cooling, we offer full plumbing and sewer support. Our plumbing repair services include emergency interventions, pipe replacement, leak detection, and sewer cleaning and repairs. We take pride in our “Planned Maintenance Program,” which offers clients discounts, priority service, and detailed system safety checks throughout the year, ensuring your systems remain safe and functional every season.

Our services also include modern solutions such as geothermal systems, Unico high-velocity systems, mini-split air conditioners, snowmelt systems, and in-floor radiant heating. We work exclusively with trusted brands to guarantee long-lasting and high-quality installations for every client.

AA Service Co. enjoys strong trust within the local community and holds an A+ rating from the Better Business Bureau. Clients recommend us for our clear estimates, professional communication, and reliable service with no hidden costs.

Visit our office Monday through Friday from 7:00 AM to 5:00 PM, with emergency service available on weekends. AA Service Co. is your partner for comfort, safety, and reliability in your home or business year-round.