HVAC Company Serving Lake Forest, IL

Illinois winters require a heating system you can rely on. TRG Heating & Cooling provides complete heating services in Lake Forest, IL, including new installations, routine maintenance, and expert repairs. Whether you are upgrading an outdated system or addressing an unexpected breakdown, our team is ready to help. 

Energy efficiency is a top priority for many Lake Forest homeowners. TRG Heating & Cooling offers modern, high-efficiency heating systems designed to improve comfort while lowering utility costs. From advanced furnaces to heat pump systems and high velocity solutions, we help you select the best option for your home or business. 

We install, repair, and maintain a wide range of heating systems, including:

• Gas & Electric Furnaces
• Heat Pumps
• Hydronic Boiler Systems
• Rooftop Heating Units
• Traditional & Tankless Water Heaters (Gas & Electric)
• High Velocity Heating Systems – SpacePak & Unico

If your heating system is producing uneven temperatures, unusual noises, or higher-than-normal energy bills, our technicians will diagnose the issue and provide effective, reliable solutions. Preventative maintenance plans are also available to help extend system lifespan and reduce the risk of mid-winter breakdowns.

Keep your indoor spaces cool and comfortable throughout Lake Forest's hot, humid summers with our expert cooling solutions. We provide professional installation, service, and maintenance for the following systems:

• Central Air Conditioning Systems
• Air Handler Units
• Heat Pumps
• High Velocity Cooling Systems – SpacePak & Unico
• Rooftop Units

Our technicians service all major HVAC brands, focusing on efficiency, reliability, and peak system performance. Regular maintenance not only helps prevent unexpected breakdowns but also lowers long-term repair expenses, extends the life of your equipment, and ensures steady, dependable comfort during periods of extreme heat.

Proper heating goes hand-in-hand with healthy indoor air. We offer indoor air quality solutions that enhance heating performance and overall comfort, including:

• Powered & Steam Humidifiers
• Advanced Indoor Air Quality (IAQ) Products
• Professional Duct Cleaning
• High-Efficiency Air Filtration Systems
• Smart & Traditional Thermostats

These solutions help maintain balanced humidity, reduce allergens, and improve airflow during the heating season.

Mini Split systems are an excellent choice for energy-efficient heating in Lake Forest homes. These systems use inverter technology to adjust output based on real-time demand, reducing energy waste and providing consistent comfort. Mini Splits are ideal for room additions, older homes, and spaces without existing ductwork, while also improving indoor air quality through advanced filtration and dehumidification. 

Ecobee Smart Thermostats help Lake Forest homeowners take control of their heating costs. With real-time energy usage tracking and personalized efficiency tips, Ecobee can help reduce heating expenses by up to 23% annually, all while maintaining optimal indoor comfort.