HVAC · Flagstaff, AZ

HVAC Repair Costs

Heating, cooling, and ventilation equipment. Estimates below are localized to labor and material rates in the Flagstaff, AZ area (zip prefix 860). Enter your exact zip to refine.

Showing local estimates for Flagstaff, AZ (86001)

Major$3,745 – $11,236

Boiler - end of life

Replace boiler

Major$3,745 – $9,363

Heat pump - end of life

Replace heat pump

Major$2,809 – $7,491

Furnace - end of life

Replace furnace

Major$2,809 – $7,491

Furnace - cracked heat exchanger

Replace furnace (not repairable)

Major$2,341 – $6,554

AC condenser - end of life

Replace AC condenser unit

Moderate$185 – $1,385

Ductwork leaking/disconnected

Seal or reconnect ductwork

Moderate$138 – $1,385

AC not cooling properly

Diagnose and repair (refrigerant/coil/etc.)

Minor$183 – $916

Ductwork not insulated (in uncond. space)

Insulate accessible ductwork

Major$185 – $738

Flue/vent pipe improper installation

Correct flue pipe installation

Minor$93 – $467

Baseboard heater damage/not working

Repair or replace baseboard heaters

Moderate$93 – $463

Combustion air supply inadequate

Add combustion air vent

Minor$93 – $370

Fireplace damper not working

Repair or replace fireplace damper

Minor$92 – $276

Gas fireplace - service needed

Professional gas fireplace service

Minor$47 – $281

Thermostat not working properly

Replace thermostat

Major$69 – $276

Gas line not capped/improper connection

Cap or repair gas line

Minor$46 – $230

Condensate drain line clogged/missing

Clear or install condensate drain

Minor$23 – $93

AC refrigerant line insulation missing

Re-insulate refrigerant lines

Minor$5 – $28

Furnace - dirty/clogged filter

Replace furnace filter

About These Estimates

These estimates are based on national averages adjusted for local labor and material costs using BLS and BEA data. Actual costs vary based on specific conditions, contractor availability, and project complexity. Always obtain multiple quotes from licensed local contractors.