Lennox rooftop HVAC units are celebrated for their performance, versatility, and efficiency across commercial applications. For those evaluating the costs and options of Lennox 5, 7.5, 10, 20, and 25 ton rooftop units, understanding the price range, features, model differences, and related ownership costs will help you make a well-informed decision. This guide offers a comprehensive overview of prices, model breakdowns, and what to expect in today’s market.
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- Overview Of Lennox Rooftop Units
- Key Models And Series
- Lennox Rooftop Unit Price Comparison
- Installation Cost Factors
- Price Comparison With Other Brands
- Energy Efficiency Considerations
- Maintenance And Ownership Costs
- Available Features Across Lennox Tonnages
- Choosing The Right Tonnage And Series
- Where To Buy And Find Pricing
- Warranty And Service Plans
Overview Of Lennox Rooftop Units
Lennox manufactures a wide range of rooftop units specifically designed for commercial properties. Their 5, 7.5, 10, 20, and 25 ton models address varying HVAC needs from small stores to large commercial complexes. Major features include high energy efficiency, reliable performance, easy maintenance, and compatibility with advanced controls.
- 5-10 ton models – Ideal for small to medium spaces
- 20-25 ton models – Suited for large facilities
- Options for gas/electric, electric/electric, or heat pump configurations
- Multiple series and efficiency levels (standard to premium)
Key Models And Series
Lennox offers several product lines within each tonnage range. The most common include Lennox Landmark™, Energence®, and Strategos®. Here’s a table summarizing their main characteristics:
| Series | Available Tonnages | Efficiency | Target Usage |
|---|---|---|---|
| Landmark™ | 2 – 25 Ton | Standard (up to 14 SEER) | Retail, Light Commercial |
| Energence® | 3 – 50 Ton | High Efficiency (up to 21 IEER) | Offices, Schools, Commercial Complexes |
| Strategos® | 15 – 25 Ton | Premium Efficiency (up to 20 IEER) | Large Buildings, Government |
Lennox Rooftop Unit Price Comparison
Pricing for Lennox rooftop units varies by tonnage, series, configuration, and installation factors. Below is a summary table showing typical price ranges in the U.S. market (equipment only):
| Unit Size | Landmark™ | Energence® | Strategos® |
|---|---|---|---|
| 5 Ton | $6,500 – $9,000 | $9,000 – $14,000 | N/A |
| 7.5 Ton | $8,000 – $11,000 | $12,000 – $16,000 | N/A |
| 10 Ton | $9,500 – $13,000 | $13,000 – $18,000 | N/A |
| 20 Ton | $16,000 – $22,000 | $22,000 – $31,000 | $26,000 – $34,000 |
| 25 Ton | $19,000 – $26,000 | $27,000 – $37,000 | $29,000 – $40,000 |
These prices reflect the equipment cost only. Installation, controls, curb adapters, and accessories are not included. Lennox premium lines cost more but offer higher energy savings and advanced features.
Installation Cost Factors
Installation costs can be significant and vary with site conditions, local labor rates, and required customizations.
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- Basic installation (swap, minimal ductwork): $3,000 – $8,000
- Complex installation (curb modification, controls): $7,000 – $15,000+
- Permits and crane fees may apply for large units
It’s recommended to get multiple quotes from qualified Lennox contractors for the most accurate total cost.
Price Comparison With Other Brands
Lennox units are competitively priced compared to other top commercial HVAC brands such as Carrier, Trane, York, and Daikin. Here’s a comparison:
| Brand | 5 Ton | 10 Ton | 25 Ton |
|---|---|---|---|
| Lennox | $6,500 – $14,000 | $9,500 – $18,000 | $19,000 – $40,000 |
| Carrier | $7,000 – $13,500 | $11,000 – $20,000 | $21,000 – $44,000 |
| Trane | $8,000 – $14,500 | $12,500 – $19,500 | $20,000 – $42,000 |
| York | $6,000 – $12,000 | $10,000 – $16,000 | $18,000 – $36,000 |
Lennox offers a blend of cost-effectiveness and energy efficiency within the commercial market.
Energy Efficiency Considerations
Energy efficiency is a critical factor affecting both upfront costs and long-term savings. Major metrics include EER, SEER, and IEER ratings. Lennox’s Energence® and Strategos® units lead in efficiency with advanced variable-speed technology.
- Lennox Energence®: Up to 21 IEER
- Landmark™: Up to 14 SEER
- Carrier WeatherMaker®: Up to 19 IEER
- Trane Voyager™: Up to 17 IEER
Higher efficiency means lower operational costs and may qualify for rebates or incentives.
Maintenance And Ownership Costs
Maintenance expenses are an important aspect of total cost of ownership. Lennox rooftop units are designed for ease of service, but costs can vary by model and building complexity.
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- Annual maintenance (inspection, cleaning): $350 – $850 per visit
- Typical lifespan: 15-20 years or more
- Parts and repairs may be higher for advanced models
Regular maintenance helps avoid costly repairs and keeps units running efficiently.
Available Features Across Lennox Tonnages
Lennox rooftop units, regardless of size, come with a variety of features and options to tailor the system to specific building needs.
- Smart and programmable controls compatible with building automation
- Energy recovery ventilators, economizers
- Multi-stage compressors and variable-speed fans
- Modular, field-installed accessories
- Robust weather-resistant cabinet designs
Higher tonnage and series generally unlock greater customization and efficiency features.
Choosing The Right Tonnage And Series
Selecting the best Lennox rooftop unit involves considering building size, climate, budget, and efficiency goals. Here’s a comparison overview:
| Application | Suggested Tonnage | Recommended Series |
|---|---|---|
| Retail Store (<2,000 sq.ft.) | 5 Ton | Landmark™, Energence® |
| Restaurant/Small Office (2,000-4,000 sq.ft.) | 7.5-10 Ton | Landmark™, Energence® |
| School/Large Restaurant (6,000-12,000 sq.ft.) | 20 Ton | Energence®, Strategos® |
| Warehouse/Gym (>15,000 sq.ft.) | 25 Ton | Energence®, Strategos® |
Consult with a qualified HVAC designer or Lennox dealer for size verification and system selection.
Where To Buy And Find Pricing
Lennox rooftop units can be purchased through authorized distributors, dealers, and commercial HVAC contractors. It’s advisable to request custom quotes tailored to building and project-specific requirements.
- Lennox Commercial Dealers: Offer new systems, installation, and service
- HVAC Distributors: Sell directly to contractors
- Online Marketplaces: Prices are “request for quote” or “call for pricing”
Contact multiple sources for the best pricing and warranty offers on Lennox rooftop units.
Warranty And Service Plans
Lennox offers comprehensive warranty coverage for its rooftop units. Coverage typically includes:
- 5 years on compressors
- 1 year on covered parts
- 10 years on heat exchangers (gas/electric models)
- Optional extended warranties available for purchase
Regular service and maintenance plans often ensure warranty compliance and longer equipment life.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
The most critical factor in any HVAC project is the quality of the installation. Don’t compromise on contractor expertise just to save money. - Check for Rebates
Always research current rebates and incentives — they can significantly reduce your overall cost. - Compare Multiple Quotes
Request at least three estimates before making your choice. You can click here to get three free quotes from local professionals. These quotes include available rebates and tax credits and automatically exclude unqualified contractors. - Negotiate Smartly
Once you've chosen a contractor, use the proven strategies from our guide — How Homeowners Can Negotiate with HVAC Dealers — to get the best possible final price.