Buyers typically pay $18,000-$45,000 for a 20 ton rooftop unit (RTU) installed; the main cost drivers are equipment efficiency, rooftop access, ductwork condition, and local labor rates. This article explains 20 ton rooftop unit cost ranges, per-unit equipment pricing, and common fees to expect.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| 20 Ton RTU Equipment | $8,000 | $12,000 | $22,000 | Basic to high-efficiency models |
| Installation (labor & rigging) | $6,000 | $12,000 | $18,000 | Includes crane, crew, 1-3 days |
| Ductwork & Controls | $2,000 | $6,000 | $12,000 | Repairs or controls upgrade |
| Total Installed | $18,000 | $30,000 | $52,000 | Assumptions: Commercial rooftop, standard access, Midwest labor. |
Typical Total Price For A 20 Ton Rooftop Unit
For a straight replacement with matching capacity, most U.S. projects land between $18,000 and $35,000 total installed. Averaging about $30,000 covers mid-efficiency equipment plus crane lift and basic controls.
Assumptions: Standard 20 ton RTU, 100-200 feet rooftop lift, medium-complexity rooftop curb, commercial single zone.
Materials, Labor, Equipment, Permits Breakdown
| Materials | Labor | Equipment | Permits | Delivery/Disposal |
|---|---|---|---|---|
| $8,000-$22,000 (unit) | $4,000-$14,000 | $1,500-$6,000 (crane, rigging) | $200-$1,200 | $300-$2,000 |
Material (the RTU) and crane/rigging are often the single largest line items on the quote.
How Unit Specifications Change The Final Quote
Efficiency, refrigerant type, and economizers change price materially: basic 13-14 SEER units are lowest cost; 16+ SEER or low-GWP refrigerants raise equipment price by 15%-50%. Upgrading SEER from 14 to 16 typically adds $1,500-$4,000 to equipment cost.
Other numeric drivers: rooftop curb condition (replace curb adds $800-$3,000), rooftop height over 40 feet often triggers crane surcharges of $1,000-$4,000, and variable air volume or multi-zone controls can add $2,000-$8,000.
Practical Ways To Reduce The 20 Ton RTU Price
Choose a standard-efficiency unit, schedule work off-peak season, and prepare the rooftop to avoid extra crane time. Reusing existing curb and controls when safe can cut $2,000-$7,000 from the total.
Other cost controls: get three competitive quotes, bundle multiple rooftop replacements for contractor efficiency discounts, and accept manufacturer-standard rather than premium warranties to lower upfront price.
How Prices Vary By U.S. Region And Market Type
| Region/Market | Typical Delta vs. National | Why |
|---|---|---|
| Northeast (urban) | +10% to +30% | Higher labor, crane permits, traffic/logistics |
| South/Southeast | -5% to +10% | Lower labor but hotter climates often need higher-efficiency units |
| West Coast | +15% to +35% | Higher equipment, stricter codes, low-GWP refrigerant costs |
| Midwest (suburban) | ±0% | Median labor and equipment costs |
Expect coastal metro areas to pay 10%-30% more than the Midwest baseline for similar work.
Installation Time, Crew Size, And Hourly Rates To Budget
Typical install duration is 10-36 hours of crew time (1-3 working days) with a 3-6 person crew. Budget labor at $75-$125 per hour per technician depending on region and union status.
Example: 3 techs × 12 hours × $95/hr ≈ $3,420 in labor plus crane rental and travel.
Common Add-Ons, Removal, And Disposal Fees That Increase The Quote
Expect line items for refrigerant recovery ($200-$900), curb replacement ($800-$3,000), rooftop safety gear ($150-$600), and old unit disposal ($200-$1,200). Refrigerant retrofit for R-410A to low-GWP refrigerant can add $2,000-$6,000.
Electrical service upgrades or new breakers can add $1,000-$6,000 depending on distance to the panel and required disconnects.
Three Real-World Quotes For Typical 20 Ton Rooftop Jobs
| Scenario | Specs | Labor Hours | Total |
|---|---|---|---|
| Basic Replace | 20T 13 SEER, curb reused, Midwest | 16 hrs (4 techs) | $18,500 ($8,500 equipment, $6,000 install, $2,000 misc) |
| Mid-Efficiency Upgrade | 20T 16 SEER, new curb, economizer | 24 hrs (5 techs) | $31,200 ($13,500 equip, $10,500 install, $7,200 controls/curb) |
| Premium Retrofit | 20T high-eff, low-GWP refrigerant, 50ft lift | 36 hrs (6 techs) | $48,700 ($20,000 equip, $16,000 crane+install, $12,700 electrical/retrofit) |
These examples illustrate how equipment choice, curb work, and rooftop logistics drive the final installed price.