HVAC Cost Guide
HVAC Replacement Cost in Missouri
Missouri homeowners can compare planning ranges for AC replacement, furnaces, heat pumps, ductwork, and complete heating and cooling systems.
HVAC Cost Calculator
Estimate HVAC repair or replacement cost
Use this as a planning range before getting contractor quotes. Final pricing depends on equipment, home layout, permits, ductwork, and labor.
Planning Ranges
Typical HVAC project costs
Use these ranges as a starting point. Final pricing depends on equipment, efficiency, access, permits, electrical work, ductwork, and installation scope.
HVAC repair
$250-$1,800+
Diagnostic work and component repairs before full replacement is necessary.
AC replacement
$6,500-$14,000+
Outdoor and indoor cooling equipment, startup, and common installation work.
Furnace replacement
$4,500-$9,500+
Heating equipment, venting, controls, and installation requirements.
Full HVAC system
$10,000-$24,000+
Matched heating and cooling equipment with controls and standard accessories.
Repair Or Replace
When HVAC replacement may make sense
Compare repair cost, remaining equipment life, warranty coverage, utility use, and comfort before deciding.
System age
Equipment is often worth evaluating for replacement around 12-15 years, especially when repairs repeat.
Comfort problems
Uneven rooms, humidity, noise, or long run times can point to equipment, airflow, or duct issues.
Project scope
Electrical, venting, drainage, controls, and ductwork should be included when they are necessary for a complete installation.
If you are comparing specific system types, review the AC replacement cost guide, furnace replacement cost guide, heat pump replacement cost guide, and HVAC sizing guide before requesting quotes.
HVAC Learning Center
HVAC replacement planning guides
Compare equipment, ductwork, sizing, financing, warranties, maintenance, and contractor questions before choosing a system.
Local Cost Guides
HVAC Replacement Cost by City
Review local AC, furnace, heat pump, ductwork, and full-system replacement considerations across the Eph Labs service area.
HVAC Replacement Cost in Missouri FAQ
How much does a complete HVAC replacement cost?
Many complete heating and cooling replacements fall between $10,000 and $24,000 or more. Equipment capacity, efficiency, ductwork, electrical work, controls, permits, and installation complexity can change the total.
Should I replace the AC and furnace at the same time?
Not always, but matched equipment can simplify compatibility, warranty, controls, and airflow. Compare the remaining life of each component and the cost of splitting the work into separate projects.
Is a heat pump worth comparing?
A heat pump can provide both heating and cooling. Compare low-temperature performance, backup heat, utility rates, electrical capacity, available incentives, and total installed cost.
Does new HVAC equipment require new ductwork?
Not automatically. Duct repair or replacement may be appropriate when ducts are undersized, damaged, disconnected, poorly insulated, or causing major comfort differences.
Are calculator results contractor quotes?
No. Calculator results are general planning ranges. A contractor should inspect the home, complete a load calculation when appropriate, and provide a written scope and quote.
Next Step
Compare HVAC estimates
Return to the estimate form to share your system details, or use the calculator for a planning range.