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Central AC Replacement Cost in Mississauga

Central AC Replacement in Mississauga typically costs $3,000 – $7,000
Replace Central AC Replacement (existing ducts) · excludes 13% HST · updated in 2026 year 10 month

Replacing Central AC Replacement generally costs $3,000–$7,000, new installation $3,500–$8,500; compressor-only replacement averages $1,200.

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Estimate $3,000 – $7,000 (before tax)
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Price ranges

WhatPrice
Replace Central AC Replacement (Existing Ductwork)$3,000 – $7,000
New Central Air Conditioning Installation$3,500 – $8,500

Usually includes: Outdoor unit, indoor coil, connections, and labor (most quotes). Excludes 13% HST.

What affects the price

  • Labour: HVAC technician around $85–$150 / hr

Local notes for Mississauga

  • Scattered city-specific data only (e.g., Mississauga $3,900–$4,900, Brampton $4,600–$5,600, source: website summary); overall, city price differences in Greater Toronto Area are minimal.
  • Gas equipment in Ontario (gas Furnaces, gas Water Heaters) must be installed by TSSA-registered contractors; someone was fined over $7,000 for unauthorized gas Furnaces installation without TSSA approval (TSSA Enforcement Notice).

Saving money & avoiding pitfalls

  • If Furnaces is nearing end of life, also ask about heat pump quotes: heat pumps provide heating and cooling and have rebates.

FAQ

How much to replace Furnaces along with the air conditioner?

We couldn't find reliable bundled prices for Greater Toronto Area“Furnaces + Air Conditioning” (most online combos are US data); we suggest estimating separately per ranges above then asking for a joint quote.

Sources

Public sources used for the prices on this page (10/2026). Sources measure differently, so we use the range where most of them overlap. For reference only — actual quotes from pros take precedence.

  1. HomeStars – Air conditioning installer pages
  2. furnaceprices.ca – Mississauga / Brampton
  3. HomeStars – HVAC system cost