Is Daikin better than Rinnai?

Is Daikin better than Rinnai depends on product category, as Daikin is primarily an HVAC brand for air conditioners and heat pumps, while Rinnai is primarily a tankless water heater brand, so they compete in different areas. Daikin Industries was founded in 1924 in Osaka, Japan, headquartered in Osaka, Japan, and is world's largest air conditioning manufacturer, known for excellent inverter heat pumps and air conditioners, costing $3000 to $8000 installed, with high efficiency up to 24 SEER and long lifespan of 15 to 20 years, averaging 4.6 stars, considered one of best for HVAC. Rinnai Corporation was founded in 1920 in Nagoya, Japan, headquartered in Nagoya, Japan, known for excellent tankless water heaters, costing $1000 to $3000, lasting 20 plus years, averaging 4.6 stars, considered one of best for tankless. For air conditioners and heat pumps, Daikin is better than Rinnai, as Rinnai does not make central air conditioners. For tankless water heaters, Rinnai is better than Daikin, as Daikin does not make tankless water heaters, though Daikin owns Goodman which makes some water heaters. So comparison is not direct, Daikin is better for HVAC, Rinnai is better for tankless water heaters, both Japanese companies, both excellent in their specialties, with Daikin being top for heat pumps and Rinnai top for tankless.