Most U.S. homeowners pay between $3,200 and $11,500 to replace a gas pack (packaged gas/electric unit); major drivers include tonnage, efficiency, installation complexity, and local labor rates. This article lists typical gas pack replacement cost ranges, per‑ton pricing, and practical ways to lower the final price.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Full Gas Pack Replacement (2–5 ton) | $3,200 | $6,500 | $11,500 | Includes unit, basic install, disposal. Assumptions: suburban access, mid-efficiency. |
| Per Ton Installed | $1,100/ton | $1,650/ton | $2,300/ton | Range varies with SEER, brand, rooftop vs curb. |
| Labor Only (per hour) | $75/hr | $100/hr | $125/hr | Includes 2–4 technicians; complexity adds hours. |
Typical Total Price For Gas Pack Replacement
Expect a common replacement total of about $4,000-$8,000 for a 3-ton mid-efficiency gas pack in a typical U.S. home.
Low-end jobs (straight swap, 2-ton, basic 80% furnace + 13 SEER AC) run $3,200-$4,500. Average projects (3–4 ton, 80–92% AFUE, 14–16 SEER) run $5,500-$7,500. High-end replacements (roof curb work, 5+ ton, 16+ SEER, high-efficiency furnace) can be $8,500-$11,500 or more. Assumptions: single-family home, normal access, no major ductwork changes.
Material, Labor, Equipment, Permits That Make Up The Quote
| Materials | Labor | Equipment | Permits | Delivery/Disposal |
|---|---|---|---|---|
| $2,200-$8,000 (unit cost varies by ton & SEER) | $750-$2,500 () | $150-$900 (crane, lift, special rigging) | $50-$400 (local) | $75-$400 (old unit removal, dumpster) |
Material (the packaged unit) is typically 50–75% of the installed cost; labor and equipment account for most of the rest.
Example cost drivers inside the table: higher-SEER units carry higher material costs; rooftop installs add crane or lift equipment fees; permits vary by city.
How Size, Tonnage, And SEER Rating Change The Final Quote
Unit capacity and efficiency are the single largest numeric drivers — expect roughly $600-$1,200 extra per additional ton and $300-$1,000 premium for higher SEER tiers.
Specific thresholds: replacing with a 2-ton unit is commonly $3,200-$4,500, 3-ton $4,500-$7,000, 4-ton $6,000-$9,000, 5-ton $8,000-$11,500. Upgrading from 13 SEER to 16 SEER often adds $800-$2,000 to unit cost. Rooftop curb modifications or structural work can add $1,000-$4,000.
Practical Choices To Lower Gas Pack Replacement Price
Prioritize matching tonnage and avoiding unnecessary efficiency upgrades at replacement to keep upfront costs down.
Other tactics: schedule during shoulder seasons to avoid peak HVAC demand, accept standard delivery without expedited crane service, and provide accessible staging area to reduce labor hours. Getting 3 written quotes and asking contractors to list line-item labor hours prevents hidden markups.
How Regional Market Differences Affect Replacement Pricing
Expect coastal urban areas to be 10–25% higher than Midwest or rural markets due to labor and permit differences.
Typical deltas: Northeast/West Coast: +15–25% vs. national average; Southeast: +0–10%; Midwest/rural: -5–15%. Cold‑climate installs sometimes require higher AFUE furnaces, adding $500-$1,500 versus minimal‑heat locales. Assumptions: regional labor and permitting norms.
Typical Labor Time, Crew Size, And How That Affects Price
Most full gas pack replacements take 8–18 hours of crew time; labor cost typically runs $600-$2,000 per job depending on crew size and hourly rates.
Common scenarios: one-day swap with two technicians (8–12 hours) for straightforward ground installs; rooftop or curb work may need a 3–4 person crew and 12–18 hours. Labor rates used: $75-$125 per hour.
Common Add‑Ons, Removal Fees, And Permit Costs To Budget For
| Item | Low | Average | High |
|---|---|---|---|
| Old Unit Removal & Disposal | $75 | $150 | $400 |
| Crane/Lift Rental (rooftop) | $400 | $900 | $2,000 |
| Duct Repair or Transition Work | $300 | $900 | $3,000 |
| Permit & Inspection | $50 | $200 | $600 |
Always add 10–20% contingency for unforeseen repairs found during replacement, such as rusted curb or electrical upgrades.
Three Real‑World Quote Examples With Specs And Pricing
| Example | Specs | Labor Hours | Total Price |
|---|---|---|---|
| Budget Swap | 2 ton, 13 SEER, ground unit, simple tie‑in | 8 hrs (2 techs) | $3,200-$4,400 |
| Typical Replacement | 3.5 ton, 14 SEER, curb mount, minor duct transitions | 12 hrs (3 techs) | $5,800-$7,200 |
| High‑Complexity | 5 ton, 16 SEER, rooftop, crane, curb rebuild | 16–24 hrs (3–4 techs) | $9,500-$13,500 |
These examples illustrate how tonnage, SEER, and access combine to create the final quote; compare specifics when requesting bids.