Quality Assurance and Quality Control are two very closely related concepts and because of that close relationship they are often confused and one is inappropriately used as a substitute for the other. Quality Assurance is a process focused concept, where the processes are put in place to ensure ...
The average cost for a new furnace is approximately $1,400 for the unit and includes no other elements costs which are used for installing the furnace. The price of a new air conditioner is between $600-$3,000 which depends upon the brand, model and size. The average cost for a new air conditioner for a 2 bedroom / 1 bath house is approximately $1,200 which is just for the unit and does not include any installation costs. The coil of the new furnace costs around $300- $600 and that of a new air conditioner costs approximately $400.
1 For an 1,800 square-foot house, a new 13-SEER unit Lennox air conditioner will cost around $3,000 to $4,000, while a new 16-SEER unit will cost you about $5,000 to $6,000 for super-efficient units.2  For instance, the Lennox Merit series price ranges from $1,200 to $5,700. On the other hand, the Lennox Elite series price ranges from $2,300 to $7,000, while the Lennox Signature collection price ranges from $3,200 to $8,000. 2  In the end, the costs will greatly depend on the model; plan on spending anywhere from $2,100 to as much as $8,000 for a Lennox air conditioner.