Have some questions about keeping your home comfortable? You're not alone. Here are some of the most frequently asked questions about heating and cooling. You may also contact us directly to find out more! What to look for in a new heating or cooling system. What kind of system do I need to keep my home comfortable? What should I look for in a new furnace? What should I look for in a new heat pump or air conditioner? How do I compare the performance of heating and cooling products? Why do I need to "match" my condensing unit and outdoor coil? What should I ask my dealer (or builder) about before I purchase a system? How heating & cooling systems work. How do the components of an Indoor Comfort System work together? How do furnaces and boilers work? How do air cleaners and humidifiers work? How do heat and energy recovery ventilators work? How do thermostats work? Checking your system's health. What simple maintenance and troubleshooting can I do myself? When should I repair older equipment and when do I need to replace it? What should I do before calling for service? Saving energy and the environment. How is energy use measured? What is the EPA's Energy Star Program? Are there new refrigerant available that are safer for the environment? What is the Green Seal Program? After your system is installed. What are some things I can do help keep my operating cost down? What should I know about operating my thermostat? HVAC Terms What does this word mean?