Yes, Cost to Install Geothermal HVAC (https://houseura.com/blog/cost-to-install-geothermal-hvac/) is much more expensive than conventional HVAC. The price of an average HVAC system is about $7,000-$12,000, whereas a geothermal one will set you back $20,000-$35,000 or even more.
Nevertheless, geothermal HVAC systems are highly efficient and consume 70% less energy than conventional HVAC systems. They also have a much longer lifespan; indoor parts may last for 20-25 years, while underground loops can last for 50+ years."