O'Brien Heating & Cooling: Certified HVAC Repair Serving Waukegan, IL 60085

Frequent repairs on aging equipment are a common issue for local homeowners. At O'Brien Heating & Cooling, we provide a thorough, honest assessment. We'll explain your repair options and, if it's more cost-effective, discuss energy-efficient replacement systems that can improve your home's comfort and lower utility bills. Our goal is to help you make an informed decision that fits your Waukegan home's needs and your budget.

Yes, we do. Our licensed and insured team has the expertise to handle HVAC systems for both homes and businesses in the Waukegan area. Whether it's a routine maintenance check for your office building's boiler or an emergency repair for a restaurant's air conditioner, we provide prompt, reliable service to keep your property comfortable and operational.

Our installation service is comprehensive. We handle the entire process, from helping you select the right energy-efficient system for your home to the final inspection. This includes proper sizing, gas system connections (if applicable), ductwork evaluation, and a clean, professional installation. We ensure the system is set up correctly for optimal performance and longevity, backed by our licenses and insurance for your peace of mind.