Why Choose PHD?
Heating/cooling combo systems deliver year-round comfort from a single, high-efficiency unit. At PHD Heating & Cooling, we specialize in premium installation of Carrier combo systems, performed by a licensed and insured HVAC team trained to deliver precise, engineering-grade workmanship.
As a Carrier Authorized Dealer, we install advanced combo systems designed for powerful heating performance, stable airflow, quiet operation, and reduced energy consumption. Our installations follow strict technical standards: accurate load calculations, duct system evaluation, refrigerant line configuration, combustion safety checks (for heating mode), electrical integration, and full performance testing.
Unlike large HVAC corporations that rush installs to maximize daily volume, we take a slow, careful, detail-driven approach. Every step is double-checked. Every connection is sealed correctly. We prioritize long-term reliability over speed.
All installation work is supervised by Dmytro — a PhD in Technical Sciences and former university lecturer — ensuring every system is installed with an engineering-level degree of accuracy.
We serve Chicago (West Loop, Lincoln Park, West Town, Wicker Park) and suburbs (Elmhurst, Northbrook, Wilmette, Glenview, Park Ridge).
Why Choose Us for Combo Unit Installation?
• Carrier Authorized Dealer (Bryant available on request)
• Licensed & Insured HVAC installation team
• Detailed, engineering-grade installation
• Small team = consistent, high-quality results
• OEM components & factory-approved procedures
• Free professional estimates
• Same-Day / Next-Day Installation Availability
Upgrade to reliable, year-round heating and cooling.
Schedule your free combo unit installation estimate today.
Our Latest Installations
Upgrading to a matched heating and cooling system?
We install perfectly paired equipment for top efficiency and all-season comfort.
Clean installation, precise airflow setup, and long-term reliability.