HVAC · Amherst, NH

HVAC Repair Costs

Heating, cooling, and ventilation equipment. Estimates below are localized to labor and material rates in the Amherst, NH area (zip prefix 030). Enter your exact zip to refine.

Showing local estimates for Amherst, NH (03031)

Major$4,048 – $12,144

Boiler - end of life

Replace boiler

Major$4,048 – $10,120

Heat pump - end of life

Replace heat pump

Major$3,036 – $8,096

Furnace - end of life

Replace furnace

Major$3,036 – $8,096

Furnace - cracked heat exchanger

Replace furnace (not repairable)

Major$2,530 – $7,084

AC condenser - end of life

Replace AC condenser unit

Moderate$206 – $1,547

Ductwork leaking/disconnected

Seal or reconnect ductwork

Moderate$155 – $1,547

AC not cooling properly

Diagnose and repair (refrigerant/coil/etc.)

Minor$191 – $953

Ductwork not insulated (in uncond. space)

Insulate accessible ductwork

Major$206 – $825

Flue/vent pipe improper installation

Correct flue pipe installation

Minor$102 – $508

Baseboard heater damage/not working

Repair or replace baseboard heaters

Moderate$103 – $514

Combustion air supply inadequate

Add combustion air vent

Minor$103 – $411

Fireplace damper not working

Repair or replace fireplace damper

Minor$104 – $311

Gas fireplace - service needed

Professional gas fireplace service

Minor$51 – $304

Thermostat not working properly

Replace thermostat

Major$78 – $311

Gas line not capped/improper connection

Cap or repair gas line

Minor$52 – $259

Condensate drain line clogged/missing

Clear or install condensate drain

Minor$26 – $103

AC refrigerant line insulation missing

Re-insulate refrigerant lines

Minor$5 – $30

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.