Certificate II and III in Business. Covering the essential skills and knowledge you need to succeed in a business environment. Topics include: using digital technology, professional communication, producing business documents. Certificate II and III in Retail Operations.
However, all of that energy efficiency comes at a price! The average gas furnace with a 90% AFUE (thatâs the rating that determines just how energy-efficient your furnace is) will cost you about $2,500 (and, of course, that doesnât include installation costs. Count on spending about $2,000 to have your new furnace installed).
1 This does n0t include the installation cost. 2  A gas furnace that uses a central heating system can cost $1,000 to $3,500. 3  If the ventilation system needs to be re-worked, this can add onto the cost. 4  A basic gas furnace with an AFUE of 80% can range from $500 to $1,200. A gas furnace that uses a central heating system can cost $1,000 to $3,500. 2  If the ventilation system needs to be re-worked, this can add onto the cost. 3  A basic gas furnace with an AFUE of 80% can range from $500 to $1,200.