Irvine Valley Air Conditioning (IVAC) has been a leading commercial Heating, Ventilation, and Air Conditioning contractor sin ... ce 1984, and we specialize in HVAC construction. From tenant improvements to ground up construction, our team of experienced construction professionals can assist you in maximizing comfort and minimizing cost. We know how important comfort is to the Southern California area, and we know that it could be the largest expense to your project. Let IVAC help design and build you the perfect HVAC system to meet your project's needs. We also have a team of highly trained service technicians to help when things aren't so comfortable. Available 24/7, 365 days a year, our service technicians are there when you need them. Our HVAC maintenance program has been proven to reduce energy costs by up to 30%. Keeping your equipment in perfect working order is the key to this, and our HVAC maintenance program is designed to do just that. read more