Sub Zero Cooling & Heating provides comprehensive heating, cooling, and indoor air quality solutions to residential and commercial clients throughout Lebanon, Pennsylvania. Established in 2010, this locally owned business prioritizes energy efficiency and home comfort through modern, high-performance HVAC systems. The technical team specializes in installing advanced heat pumps, energy-efficient furnaces, and sophisticated ventilation systems that help reduce monthly utility bills. By focusing on whole-house comfort and air filtration, the company ensures healthier indoor living environments. Every project is approached with a commitment to technical precision and transparent communication, ensuring systems are sized and configured for maximum performance. Whether upgrading older heating equipment or installing smart thermostats, they help homeowners achieve greater control over their indoor climate.