Heating and cooling costs, system comparisons and free sizing calculators for 2026.
Quick answer: Replacing a gas furnace costs $3,000 to $7,000 installed in 2026, averaging around $5,000. High-efficiency condensing models run $5,500 to $8,500+, while electric and oil furnaces land in their own ranges. One big change this year: the federal 25C tax credit expired on December 31, 2025, so equipment installed in 2026 gets no…
Quick answer: In 2026, a central AC system costs $5,000 to $12,000 installed, while a ductless mini-split costs $3,000 to $10,000 depending on zones. Central wins for whole-house cooling with existing ducts; mini-splits win for zoned control, additions, and homes without ductwork. If your house already has ducts in good shape, the decision is easy….
Quick answer: Replacing a full HVAC system costs $7,000 to $15,000 on average in 2026, installed. A central AC alone runs $4,000 to $8,000, a furnace $3,000 to $7,000. Your home size, efficiency rating, and whether you need new ductwork decide where you land in that range. Nothing fails at a worse time than heating…
