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Houston Residential Pricing · May 2026

HVAC System Estimator

Enter house, equipment, ductwork, controls, vent, and access conditions, then choose whole-house HVAC, condenser, air handler, furnace, heat pump, mini-split, ductwork, registers, returns, thermostat, line set, condensate, platform, exhaust, dryer vent, electrical, gas, startup, code, access, and permit allowances.

HVAC system pricing is a baseline estimate. HVAC work must be verified by a licensed HVAC contractor. Verify Manual J/load calculation, equipment sizing, duct design, refrigerant line set, electrical requirements, gas/furnace requirements, condensate drain, float switch, attic access, service platform, permits, inspections, local code requirements, and subcontractor pricing before final use. This scope may overlap with room-level HVAC registers, bathroom exhaust fans, laundry dryer vents, thermostat items, exterior condenser/electrical items, and ceiling repair items.

HVAC System Dimensions

HVAC system scopes may overlap with room-level HVAC registers, bathroom exhaust fans, laundry dryer vents, thermostat items, ceiling patching, exterior condenser work, and electrical service items.

Use this section when estimating house-wide HVAC replacement, ductwork, registers, returns, thermostat, and system startup instead of room by room.

HVAC pricing changes significantly based on tonnage, Manual J/load calculation, attic access, duct condition, equipment location, electrical requirements, refrigerant line condition, drain routing, permits, and code.

HVAC work must be verified by a licensed HVAC contractor.

HVAC System Quantities
House sqft
1800
Systems
1
Tonnage
3 ton
Condensers
1
Air handlers
1
Furnaces
0
Heat pumps
0
Mini-split heads
0
Duct runs
12
Supply registers
12
Return grilles
2
Thermostats
1
Bath exhaust fans
2
Dryer vents
1
Line set LF
35
Condensate LF
40
Platforms
1
Equip. location
attic
Duct condition
partial-replace
System type
split-system
Stories
1

HVAC System

Whole-House HVAC System
HVAC System
each
Requires verification
hvaccondenserair-handlerthermostat
Total
$9,000
1.00
Material
$4,800
Labor
$4,200
Allowance
$0
Includes: 2 ton condenser allowance, air handler allowance, thermostat allowance, standard startup, basic materials

HVAC System Packages

Full HVAC System Packages
HVAC System Packages
package
Requires verification
hvacductworkregistersreturnsthermostat
Total
$16,000
1.00
Material
$8,500
Labor
$7,500
Allowance
$0
Includes: small house HVAC system allowance, condenser and air handler allowance, partial duct allowance, thermostat, startup/testing, verify sizing and conditions

Condenser

Condenser Replacement
Condenser
each
Requires verification
hvaccondenserelectrical
Total
$4,500
1.00
Material
$2,600
Labor
$1,900
Allowance
$0
Includes: 2 ton condenser allowance, set condenser, reconnect line set where compatible, startup/test

Air Handler

Air Handler Replacement
Air Handler
each
Requires verification
hvacair-handlerplumbingelectrical
Total
$5,000
1.00
Material
$2,500
Labor
$2,500
Allowance
$0
Includes: air handler allowance, remove existing unit, install replacement, connect drain/electrical as applicable, startup/test

Furnace

Furnace / Gas Heat
Furnace
each
Requires verification
hvacfurnacegas
Total
$0
0.00
Material
$0
Labor
$0
Allowance
$0
Includes: gas furnace allowance, remove existing furnace, install replacement, gas/vent connection allowance, startup/test

Heat Pump

Heat Pump
Heat Pump
each
Requires verification
hvacheat-pumpelectrical
Total
$0
0.00
Material
$0
Labor
$0
Allowance
$0
Includes: heat pump equipment allowance, air handler allowance, thermostat allowance, startup/test

Mini-Split

Mini-Split System
Mini-Split
each
Requires verification
hvacmini-splitelectrical
Total
$0
0.00
Material
$0
Labor
$0
Allowance
$0
Includes: mini-split equipment allowance, wall head, line set allowance, basic install/startup

Ductwork

Ductwork
Ductwork
each
Requires verification
hvacductwork
Total
$4,200
12.00
Material
$1,500
Labor
$2,700
Allowance
$0
Includes: flexible duct allowance, fittings/tape/mastic allowance, install duct run
Plenum / Transition / Duct Sealing
Ductwork
each
Requires verification
hvacductwork
Total
$1,000
1.00
Material
$350
Labor
$650
Allowance
$0
Includes: supply plenum allowance, fabricate/install, seal connections

Registers

Supply Registers
Registers
each
hvacregisters
Total
$840
12.00
Material
$300
Labor
$540
Allowance
$0
Includes: supply register allowance, remove existing register, install replacement

Returns

Return Grilles
Returns
each
hvacreturns
Total
$320
2.00
Material
$130
Labor
$190
Allowance
$0
Includes: return grille allowance, remove existing grille, install replacement

Controls

Thermostat
Controls
each
hvacthermostatelectrical
Total
$200
1.00
Material
$75
Labor
$125
Allowance
$0
Includes: standard thermostat allowance, install and test

Refrigerant Lines

Refrigerant Line Set
Refrigerant Lines
lf
Requires verification
hvaccondenser
Total
$1,400
35.00
Material
$630
Labor
$770
Allowance
$0
Includes: refrigerant line set allowance, insulation, fittings, installation labor

Condensate

Condensate Drain / Secondary Pan
Condensate
lf
Requires verification
hvacplumbing
Total
$480
40.00
Material
$140
Labor
$340
Allowance
$0
Includes: condensate drain pipe allowance, fittings, routing, test flow

Equipment Support

Equipment Platform / Attic Access
Equipment Support
each
Requires verification
hvacceiling-repair
Total
$1,100
1.00
Material
$350
Labor
$750
Allowance
$0
Includes: platform material allowance, build support platform, basic access coordination

Exhaust / Ventilation

Bathroom Exhaust Fans
Exhaust / Ventilation
each
Requires verification
hvacbathroom-exhaustelectrical
Total
$700
2.00
Material
$250
Labor
$450
Allowance
$0
Includes: exhaust fan allowance, remove existing fan, install replacement, connect to existing duct/electrical where compatible

Dryer Vent

Dryer Vent
Dryer Vent
each
hvacdryer-ventlaundry
Total
$150
1.00
Material
$35
Labor
$115
Allowance
$0
Includes: dryer vent hood allowance, remove existing hood, install replacement, seal perimeter

Electrical Coordination

Electrical / Disconnect Coordination
Electrical Coordination
each
Requires verification
hvacelectrical
Total
$350
1.00
Material
$85
Labor
$265
Allowance
$0
Includes: AC disconnect allowance, remove existing disconnect, install replacement, testing

Gas Coordination

Gas / Furnace Coordination
Gas Coordination
each
Requires verification
hvacgasfurnace
Total
$400
1.00
Material
$95
Labor
$305
Allowance
$0
Includes: furnace gas connection allowance, shutoff check, connect furnace, leak check

Startup / Testing

Startup / Testing / Balancing
Startup / Testing
each
Requires verification
hvac
Total
$500
1.00
Material
$75
Labor
$425
Allowance
$0
Includes: startup system, basic temperature split check, thermostat check, basic operation test

Code Corrections

Code Corrections / Unknown Conditions
Code Corrections
allowance
Requires verification
hvaccode-corrections
Total
$1,500
1.00
Material
$0
Labor
$0
Allowance
$1,500
Includes: minor HVAC code correction allowance only, verify drain, float switch, disconnect, platform, and access

Access

Access / Difficult Conditions
Access
allowance
Requires verification
hvac
Total
$3,500
1.00
Material
$0
Labor
$0
Allowance
$3,500
Includes: difficult attic HVAC access allowance only, verify attic clearance, heat, insulation, platform, and equipment path

Permit / Inspection

Permit / Inspection
Permit / Inspection
allowance
Requires verification
hvacpermit
Total
$650
1.00
Material
$0
Labor
$0
Allowance
$650
Includes: HVAC permit allowance only, verify jurisdiction requirements
HVAC System Estimate
Major Rehab

Houston Residential Pricing · May 2026

Selected Packages (0)
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Material$0
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Allowance$0
HVAC System Subtotal$0
Grand Total
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HVAC system pricing is a baseline estimate. HVAC work must be verified by a licensed HVAC contractor. Verify Manual J/load calculation, equipment sizing, duct design, refrigerant line set, electrical requirements, gas/furnace requirements, condensate drain, float switch, attic access, service platform, permits, inspections, local code requirements, and subcontractor pricing before final use. This scope may overlap with room-level HVAC registers, bathroom exhaust fans, laundry dryer vents, thermostat items, exterior condenser/electrical items, and ceiling repair items.