Software as a service (SAAS) services featuring software for evaluating, measuring and verifying the energy efficiency and performance of real property, its components, namely, heating, lighting, power, electricity, ventilation, air conditioning, insulation, framing, ingress, egress, square footage, refrigeration, windows, doors, conduits, structural materials and related energy savings projects and systems; Software as a service (SAAS) services featuring software for tracking, measuring and verifying utility bills, resource energy meters, sensor measurement energy results, energy savings projects, performance contracts and retrofit projects; Software as a service (SAAS) services featuring software for producing recommendations for efficiency improvements in the field of engineering, mechanical engineering, civil engineering, electrical engineering, plumbing engineering, energy engineering, auditing and management, software engineering, certified geo-exchange designs, computer-generated modeling and graphics, installation of real property, its components, namely, heating, lighting, power, electricity, ventilation, air conditioning, insulation, framing, infrastructure, ingress, egress, square footage, refrigeration, windows, doors, conduits, structural materials, engineering surveying, environmental engineering, testing, inspection, measuring and verification of real property, its components, namely, heating, lighting, power, electricity, ventilation, air conditioning, insulation, framing, ingress, egress, square footage, refrigeration, windows, doors, conduits, structural materials