Trilogy is a national provider of tailored HVAC & R solutions Established in 1970, Trilogy began as a humble business special ... ising in air conditioning and has since grown to become a national provider of tailored HVAC&R solutions to a wide variety of market sectors. Backed by a team of experienced technicians, engineers and project managers who are supported by a dedicated customer service and back office team, Trilogy employs a consultative approach when working with our clients to discover the best solution to their needs. Strong ties with our sister companies Spectrum Fire & Security and Cowley Services means our clients benefit from our collective strength in Australia and New Zealand, in all areas essential to their buildings and facilities, including HVAC, refrigeration, fire, electrical and essential services. read more