Infinity 21 24ANB1 Central Air Conditioner Price and Cost 2026

The Infinity 21 24ANB1 price and typical installed cost vary by tonnage, ductwork, region, and electrical work; most U.S. buyers pay between $4,000 and $9,500 installed. Assumptions: 3-ton unit, standard single-family home, average ductwork, accessible installation.

Item	Low	Average	High	Notes
Installed 24ANB1 (complete)	$4,000	$6,500	$9,500	Includes unit, basic install, refrigerant lines, start-up
Unit Only (3-ton)	$2,200	$3,200	$4,500	Wholesale/retail price for condenser only
Duct Repair/Upgrade	$500	$1,800	$5,000	Depends on extent and materials
Electrical/Panel Upgrade	$300	$900	$2,500	Service size, disconnect vs panel work

Typical Installed Price For An Infinity 21 24ANB1 Unit

Most homeowners installing a 3-ton Infinity 21 24ANB1 should budget roughly $5,500-$7,500 for a standard job. Assumptions: 3-ton (36,000 BTU), SEER ~21 rated model, single-family home, one-hour pickup and basic refrigerant line set under 25 ft.

Low-end jobs (simple like-for-like swap, good access) run about $4,000-$5,000. Average jobs with minor duct sealing and standard electrical checks run $6,000-$7,500. High-complexity installs—long line sets, new pads, significant duct replacement, or panel upgrades—reach $8,000-$9,500.

Breakdown Of Installation Quote Components

Unit cost, labor, and necessary equipment typically account for the bulk of the total installed price.

Materials	Labor	Equipment	Permits	Delivery/Disposal
$2,200-$4,500 (unit); $100-$400 lines & fittings	$750-$2,200 (installation)	$150-$600 (crane/pad/tools)	$50-$300	$50-$300

Assumptions: Midwest labor rates, normal access, 6-12 labor hours.

How Tonnage, Line Length, And Ductwork Change The Quote

Tonnage changes price roughly $500-$1,200 per 0.5-ton increment due to larger compressors and increased refrigerant needs. Examples: 2.5-ton to 3.5-ton difference impacts both unit cost and labor.

Line set length: installs under 25 ft typically included; add $50-$150 per additional 10 ft and $200-$600 if a vacuum/recharge and extra brazing are needed for runs over 50 ft. Ductwork: sealing and small repairs $500-$1,500; full trunk replacement or major resizing $2,000-$5,000.

Electrical, Permit Levels, And Site Conditions That Raise Prices

Upgrading a service panel or adding a 60A disconnect can add $400-$2,000 to the job depending on permit and electrician rates. Assumptions: existing 100A service vs required 200A upgrade, suburban area.

Permits vary: $50-$300 for simple mechanical permits; if transformer, service upgrade, or meter changes are needed, municipality fees and inspections can push costs higher. Hard-to-access rooftops or multi-story lifts increase equipment fees by $300-$1,200.

Ways To Lower Installed Cost For The 24ANB1 Unit

Choosing a right-sized unit, scheduling in shoulder season, and getting three written quotes typically reduce the installed price by 10-25%. Assumptions: comparing licensed contractors, avoiding peak summer rush.

Scope control: repair ducts instead of full replacement when possible; opt for contractor-supplied standard pad instead of premium options; avoid bundled “premium” filter or accessory add-ons unless needed. Provide clear access and remove obstacles to reduce labor hours.

Price Differences Between Regions, City Types, And Coastal Areas

Expect 10%-25% higher installed prices in coastal or high-cost urban markets and 5%-15% lower in rural interior regions. Example deltas: Northeast/West Coast +15%-25%; Midwest -5%-10%.

Labor rates: $75-$125 per hour in big metro areas vs $55-$90 in smaller towns. Contractor availability and permit processing times also drive effective cost through scheduling delays or rush fees.

Three Real Quote Examples With Specs, Labor, And Totals

Example	Specs	Labor Hours	Per-Unit Costs	Total
Basic Swap	3-ton 24ANB1, 15 ft lines, no duct work	6 hrs	Unit $2,700; Labor $900	$4,000-$4,500
Standard Install	3.5-ton, 30 ft lines, minor duct sealing	10 hrs	Unit $3,400; Labor $1,400	$6,000-$6,800
Complex Replace	4-ton, 60 ft lines, new pad, panel upgrade	18 hrs	Unit $4,200; Labor $2,700	$8,500-$9,500

Assumptions: quoted totals include basic permits and disposal; electrician billed separately where noted.

Common Add-Ons, Maintenance Costs, And Warranty Options

Extended warranties and maintenance plans add $150-$600 annually or a one-time $400-$1,200 depending on coverage level. Assumptions: manufacturer limited warranty standard, labor warranties vary by contractor.

Typical add-ons: smart thermostats $150-$400, surge protection $75-$250, augmented filtration $200-$800. Annual maintenance visits run $80-$200 and can extend efficiency and reduce repair costs over time.