HVACR - Heating, Ventilating, Air Conditioning, Refrigeration sales, service, installation, of air conditioning, refrigeration equipment, UV-Lighting, Mold control, IAQ clean indoor air quality, Alergies controlling equipment, energy cost savings equipment from 14-SEER to 24.5-SEER. SEER stands for Seasonal Energy Efficiency Ratings. Basically means what the operating cost of the equipment is weekly, monthly, annually.