Replacing a central air conditioning system in a typical Houston home usually costs somewhere between the high four figures and low five figures, depending on tonnage, efficiency rating and whether the furnace or air handler is replaced too.
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Typical Houston Costs
System
Typical Installed Range
3-ton condenser and coil, standard efficiency
$6,500 to $9,500
4-ton split system, mid efficiency
$8,500 to $12,500
5-ton high-efficiency or variable-speed system
$12,000 to $18,000+
Heat pump system
$8,000 to $16,000
Ductwork replacement (added)
$3,000 to $8,000
What Drives The Price
System size in tons, which should come from a Manual J load calculation
SEER2 efficiency rating and variable-speed features
Replacing the furnace or air handler at the same time
Ductwork condition and attic access
Brand and warranty length
Repair Or Replace?
If the system is over 12 to 15 years old, needs a compressor or coil, or still uses R-22 refrigerant, replacement usually makes more sense. A rule of thumb: if the repair cost times the system’s age exceeds the cost of a new system, replace it.
Rebates And Timing
Utility programs and federal tax credits for high-efficiency heat pumps can offset part of the cost; ask your contractor what currently applies. Replacing in spring or fall, before a summer breakdown, gives you time to compare quotes.
Conclusion
Insist on a proper load calculation, compare efficiency against your expected years in the home and get at least two written quotes.
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Call to get connected with an available local HVAC technician for AC repair, furnace repair or a new system.
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