Here at SIX HVAC llc We Take Pride in Providing the Best Ac Installs Service to the Princeton NJ Area. Our Specialties Include Tankless Water Heaters, Condensing Boilers, Thermostat Controls, Humidifiers, Maintenance Contracts, Uv Lights, Hvac Inspections. Some Other Services We Provide Are Thermostats, Air Purifiers and Dehumidifiers. Please Give Us a Call Today for Your Estimate.