https://www.bankrate.com/homeownership/hvac-installation-cost/
Installing a new HVAC system ranges on average from $5,000 to $12,500. - Several factors influence your HVAC replacement cost, including the size ...

https://www.familyhandyman.com/article/new-hvac-system-cost/?srsltid=AfmBOooDDKD2PtHoSDLxj4dDCWVl1ouPdQNLYvEuc9t4bj191AQHfLmi
It could range from $3,000 to $10,000. David says it costs about $3,000 to install a new electric furnace, and $5,000 to $8,000 to install a new ...

https://www.reddit.com/r/homeowners/comments/1aqv48a/how_much_did_you_pay_for_a_full_hvac_replacement/
Average Cost Range: $6,465 - $11,877. Total Estimate: $2,750 - $12,720. SIZE 7500 BTUs. HEATING/COOLING CAPACITY 2 Tons. AC + HEAT PUMP UNIT ...