How much does hvac work cost?

• AC repair$150–$1,138
  • One unit · $150–$650 — Single system or unit
  • Two or more units · $263–$1,138 — Several systems, zoned home
• AC installation & replacement$3,500–$11,250
  • Same-type replacement · $3,500–$7,500 — Swap existing equipment, ducts and wiring stay
  • System change or new install · $5,250–$11,250 — New lines, ducts or electrical work
• Central air conditioning service$75–$350
  • One unit · $75–$200 — Single system or unit
  • Two or more units · $131–$350 — Several systems, zoned home
• Furnace repair$150–$1,138
  • One unit · $150–$650 — Single system or unit
  • Two or more units · $263–$1,138 — Several systems, zoned home
• Furnace installation & replacement$3,000–$9,750
  • Same-type replacement · $3,000–$6,500 — Swap existing equipment, ducts and wiring stay
  • System change or new install · $4,500–$9,750 — New lines, ducts or electrical work
• Heat pump repair & install$150–$12,000
  • Repair (one unit) · $150–$650 — Something stopped working: diagnose and repair one heat pump.
  • Same-type replacement · $4,000–$8,000 — Swap existing equipment, ducts and wiring stay
  • System change or new install · $6,000–$12,000 — New lines, ducts or electrical work
• Mini-split / ductless install$3,000–$10,500
  • Same-type replacement · $3,000–$7,000 — Swap existing equipment, ducts and wiring stay
  • System change or new install · $4,500–$10,500 — New lines, ducts or electrical work
• Mini-split repair$150–$1,138
  • One unit · $150–$650 — Single system or unit
  • Two or more units · $263–$1,138 — Several systems, zoned home
• Thermostat installation$120–$525
  • One unit · $120–$300 — Single system or unit
  • Two or more units · $210–$525 — Several systems, zoned home
• Ductwork installation & repair$850–$7,000
  • Up to 10 vents · $850–$4,250 — Average home
  • More than 10 vents · $1,400–$7,000 — Large or two-story home
• Duct sealing$340–$2,100
  • Up to 10 vents · $340–$1,275 — Average home
  • More than 10 vents · $560–$2,100 — Large or two-story home
• Air duct cleaning$255–$980
  • Up to 10 vents · $255–$595 — Average home
  • More than 10 vents · $420–$980 — Large or two-story home
• Refrigerant recharge$200–$1,050
  • One unit · $200–$600 — Single system or unit
  • Two or more units · $350–$1,050 — Several systems, zoned home
• HVAC tune-up & maintenance$75–$350
  • One unit · $75–$200 — Single system or unit
  • Two or more units · $131–$350 — Several systems, zoned home
• Air handler service$150–$1,050
  • One unit · $150–$600 — Single system or unit
  • Two or more units · $263–$1,050 — Several systems, zoned home
• Evaporator coil service$400–$2,100
  • One unit · $400–$1,200 — Single system or unit
  • Two or more units · $700–$2,100 — Several systems, zoned home
• Condenser coil service$150–$1,225
  • One unit · $150–$700 — Single system or unit
  • Two or more units · $263–$1,225 — Several systems, zoned home
• Blower motor repair$150–$1,050
  • One unit · $150–$600 — Single system or unit
  • Two or more units · $263–$1,050 — Several systems, zoned home
• Capacitor replacement$120–$700
  • One unit · $120–$400 — Single system or unit
  • Two or more units · $210–$700 — Several systems, zoned home
• Indoor air quality service$300–$2,625
  • One unit · $300–$1,500 — Single system or unit
  • Two or more units · $525–$2,625 — Several systems, zoned home
• Air purifier & UV light install$400–$2,625
  • One unit · $400–$1,500 — Single system or unit
  • Two or more units · $700–$2,625 — Several systems, zoned home
• Whole-house humidifier install$400–$2,100
  • One unit · $400–$1,200 — Single system or unit
  • Two or more units · $700–$2,100 — Several systems, zoned home
• Dehumidifier installation$1,300–$5,250
  • One unit · $1,300–$3,000 — Single system or unit
  • Two or more units · $2,275–$5,250 — Several systems, zoned home
• Boiler repair & install$350–$12,000
  • Same-type replacement · $350–$8,000 — Swap existing equipment, ducts and wiring stay
  • System change or new install · $525–$12,000 — New lines, ducts or electrical work
• Attic fan & ventilation$300–$2,100
  • One unit · $300–$1,200 — Single system or unit
  • Two or more units · $525–$2,100 — Several systems, zoned home
• Emergency HVAC service$150–$1,400
  • One unit · $150–$800 — Single system or unit
  • Two or more units · $263–$1,400 — Several systems, zoned home
• Window AC unit installation$75–$438
  • One unit · $75–$250 — Single system or unit
  • Two or more units · $131–$438 — Several systems, zoned home

Timing changes the price. These notes say when to do the job and what to ask for.

Marcela León·Sep 6, 2026

Your carbon monoxide detector is probably in the wrong place

No smell, no color, and the early symptoms read like the flu. The placement rule has two halves, and almost nobody knows the second one.

Marcela León·Sep 4, 2026

The $140 tune-up that prevents the $400 call on the first cold night

Your furnace has been off for seven months and it rarely fails from anything serious: it fails from dust. Here is what checking it now costs, and what waiting costs.