Be more comfortable in winter and save energy too. The correct humidity (35%-50%) in winter can help reduce respirtory problems. The proper humidity will protect you from dry skin caused by most heating systems.You can set your thermostat back several degrees thus saving Energy. E-Mail or call for Prices. We operate as Advance Heating & A/C- McCaskill Electric John E. McCaskill (Owner) 910 483-8654 Email : jemccaskill@gmail.com Fayetteville, North Carolina