The Landmark Rooftop Unit by Lennox is a high-efficiency unit available in 7.5- to 25-ton models. This unit is designed for commercial applications and features a scroll compressor, direct drive fan, and ECM motor. The Lennox Landmark Rooftop Unit also includes a stainless steel heat exchanger and is AHRI rated.

Landmark rooftop units from Lennox are designed for flexibility, efficient performance and easy serviceability. They are available in both standard and high-efficiency models, and can be customized with the addition of optional MSAV fan supply and Humiditrol dehumidification technology.

The Landmark lineup provides you with the ability to choose the perfect configuration for your needs. You can choose from gas-electric, electric-electric, heat pump, and dual fuel heat pump configurations in a variety of sizes and at different price points. Standard-efficiency units are available in 2 to 25 ton capacities, while high-efficiency models have capacities ranging from 2 to 20 tons.* In addition, there are more than 100 field-installed options available, allowing installers to quickly configure units to perfectly fit the application.

The Landmark® Rooftop Unit from Lennox is designed for efficiency and comfort. Its optional MSAV® supply fan technology can adapt to changing conditions, saving money and delivering optimal comfort year-round. The quiet and efficient supply fan also enhances system performance, resulting in power savings of up to 61%.

Humiditrol dehumidification technology is now an available option with Landmark rooftop units. This humidity-control system efficiently removes moisture from the air, creating a healthier and more comfortable indoor environment.

Lennox’s Humiditrol dehumidification system is an easy to use, integrated system that controls humidity levels independently of temperature. This system can effectively reduce the spread of allergens such as mold, mildew and dust mites, and significantly improve indoor air quality (IAQ) and comfort.

Efficiency

Lennox offers a variety of high-efficiency rooftop units for both gas/electric and electric/electric systems. These units offer up to 16.5 SEER, 16.0 IEER, and 13 EER, meeting or exceeding ASHRAE 90.1-2010 standards. The MSAV supply fan provides year-round savings and comfort with reduced energy consumption, improved indoor air quality, and code compliance. The direct-spark ignition enhances efficiency, and the available factory- or field-installed high-performance economizer meets Title 24 requirements.

Lennox rooftop units offer high efficiency and dual fuel capabilities in a 2- to 10-ton unit. These units are designed for durability and easy maintenance, making them a good choice for commercial buildings.
The Landmark® Rooftop Unit from Lennox is a high-efficiency unit that can reach up to 16.5 SEER, 16.0 IEER, and 13 EER. This makes it an excellent choice for both commercial and residential applications. It features a two-stage scroll compressor for energy savings and quiet operation and is also equipped with a demand-control ventilation system. This system helps to keep the unit running at peak efficiency, while also reducing noise levels.
Lennox’ Landmark rooftop units come in a variety of gas/electric and electric/electric models, with sizes ranging from 2 to 25 tons. These units are designed for durability and efficiency, and can help keep your building comfortable all year round.

The Landmark rooftop unit by Lennox is a commercial grade HVAC system that is available in 2-20 ton models. This energy efficient system is ideal for any business or office space.

Lennox has been committed to providing quality HVAC systems since 1895. The Landmark rooftop unit is just one example of their dedication to quality craftsmanship and customer satisfaction. This system is backed by a one-year limited warranty, so you can be confident in its performance.

Whether you need a new HVAC system for your business or are looking to replace an existing unit, the Landmark rooftop unit by Lennox is an excellent option.

The Landmark rooftop unit by Lennox is designed to meet or exceed the ASHRAE 90.1-2010 standards for energy efficiency. This makes it an ideal choice for commercial buildings that are looking to reduce their energy consumption and operating costs.

The Landmark rooftop unit from Lennox comes with an available MSAV supply fan that provides energy savings and comfort all year long. The improved indoor air quality and code compliance make this unit a great choice for any home or business.

The Landmark Rooftop Unit by Lennox can save you up to 61% on your supply fan costs when you use the optional MSAV feature.

The Direct-spark ignition feature on the Landmark® Rooftop Unit from Lennox enhances efficiency by making it easier to light the pilot light.

This is a great feature for those who want their rooftop unit to run more efficiently. By igniting the pilot light more easily, this direct-spark ignition can help your unit use less energy and run more smoothly.

The Lennox Landmark rooftop unit comes with a high-performance economizer that meets Title 24 requirements. This unit can be installed at the factory or in the field.

Reliability

Lennox’s Landmark rooftop units come with a variety of features and configurations, making it easy to find one that best suits your needs. These units are stocked at commercial depots across North America, so you can get it fast. The pre-defined supply fan motor/drive combinations make selecting components to meet static and airflow requirements quick and easy. The Environ Coil System provides reliable operation in a wide range of applications, while the scroll compressor provides reliable, long-term operation.

Serviceability

The Landmark rooftop unit by Lennox has several features that make it easy to maintain and service. The compressor compartment is isolated from the rest of the unit, so you can check its performance without disrupting airflow. The blower is designed to be easily accessible for tensioning, adjustment or replacement, and the gas compartment provides plenty of space to access all gas components. Optional hinged access panels provide quick access to internal components and protect the panels and roof from damage during servicing. The unit is also designed for easy transport, with fork slots on three sides and a full-perimeter base rail. The motor mount is independent, so you can easily service the unit without removing the top panel.

Comfort/IAQ

The Landmark rooftop unit from Lennox has a patented Humiditrol system that allows for independent control of temperature and humidity. This provides enhanced comfort control. The corrosion-resistant, removable, double-sloped drain pan provides application flexibility, durability and improved serviceability. The optional MSAV supply fan reduces humidity, providing better space comfort. Field- or factory-installed MERV 8 or 13 filters reduce airborne particles.

Options

Field-powered GFI
Disconnects
Economizers with single or dual enthalpy control
Electric heat
50% constant volume powered exhaust fan
CO2 sensor
Return and supply air smoke detectors
Low ambient kits
Hail guards
Coil guards
The Landmark® Rooftop Unit from Lennox comes with the option of being controlled by a Network Thermostat Controller, which is part of the L Connection® Network line of commercial controls. This unit provides energy-efficient heating and cooling for buildings.

LPG Conversion Kit (gas/electric and dual fuel)
-40°F cold weather kit (gas/electric and dual fuel)
Combustion air intake or flue exhaust extensions (gas/electric only)
Blower proving switch
Dirty filter switch
Bottom gas piping kit (gas/electric and dual fuel)
Healthy climate high-efficiency air filters
Healthy climate UVC light kit
Hybrid curbs
MSAV (multi-stage air volume) supply fan
Coil corrosion protection
Stainless steel heat exchanger

Hinged doors
Economizers
Barometric relief dampers
Standard and high-static drive kits
Heaters (electric/electric only)
BACnet® module
Motorized air damper
Manual air damper

Landmark high-efficiency rooftop unit performance specifications

			COOLING DATA		HEATING INPUT				PHYSICAL DATA
	NOM. TON	MODEL	EER	SEER OR IEER	LOW	STD.	MED.	HIGH	DIMENSIONS H X W X L [INCHES]	SHIP WT. [LBS.]
GAS / ELECTRIC UNITS	6	KGB072H4B / KGB074H4T	12.0	13.5/16.0	—	65	108	150	47 x 47 x 86	690
	7.5	KGA092H4B/M	12.5	13.0/14.0	—	130	180	240	47 x 61 x 102	1,185
	8.5	KGA102H4B/M	12.2	12.9/14.0	—	130	180	240	47 x 61 x 102	1,192
	10	KGA120H4M	10.9	13.0/13.8	—	130	180	240	47 x 61 x 102	1,227
	13	KGA156H4B/M	12.0	13.6/14.1	—	260	360	—	55 x 92 x 108	2,135
	15	KGA180H4B/M	12.0	13.5/13.7	—	260	360	480	55 x 92 x 133	2,315
	17.5	KGA210H4B/M	12.0	13.0/14.0	—	260	360	480	55 x 92 x 133	2,440
	20	KGA240H4B/M	12.0	13.2/14.5	—	260	360	480	55 x 92 x 133	2,525
					KW RANGE
ELECTRIC / ELECTRIC UNITS	6	KCB072H4B / KCB074H4T	12.0	13.5/16.0	7.5	15.0	22.5	30.0 – —	47 x 47 x 86	661
	7.5	KCA092H4B/M	12.7	13.0/14.0	7.5	15.0	22.5	30.0 – 45.0	47 x 61 x 102	1,137
	8.5	KCA102H4B/M	12.4	12.9/14.0	7.5	15.0	22.5	30.0 – 45.0	47 x 61 x 102	1,144
	10	KCA120H4M	11.1	13.2/14.0	15.0	22.5	30.0	45.0 – 60.0	47 x 61 x 102	1,179
	13	KCA156H4B/M	12.0	13.6/14.1	15.0	30.0	45.0	60.0 – —	55 x 92 x 108	1,985
	15	KCA180H4B/M	12.0	13.5/13.7	15.0	30.0	45.0	60.0 – —	55 x 92 x 133	2,165
	17.5	KCA210H4B/M	12.0	13.0/14.0	15.0	30.0	45.0	60.0 – 90.0	55 x 92 x 133	2,290
	20	KCA240H4B/M	12.0	13.2/14.5	15.0	30.0	45.0	60.0 – 90.0	55 x 92 x 133	2,375
					47 CAP.	HSPF/COP 47	17 CAP.	COP 17
HEAT PUMPS	2	KHB024H4D	13.0	16.5	24,000	8.3/3.88	13,000	2.34	39 x 47 x 86	608
	2	KDB024H4E	13	16.5	24,000	8.30/3.88	13,000	2.34	39 x 47 x 86	635
	3	KHB036H4D	12.7	16.0	35,600	8.5/3.9	19,200	2.40	39 x 47 x 86	608
	3	KDB036H4E	12.7	16.0	35,000	8.30/3.64	19,200	2.22	39 x 47 x 86	635
	4	KHB048H4D	12.8	16.0	46,000	8.5/3.9	26,000	2.46	47 x 47 x 86	681
	4	KDB048H4E	12.8	16.0	46,000	8.50/3.90	26,000	2.46	47 x 47 x 86	710
	4	KDB048H4T	12	15.0	46,000	8.30/3.82	26,000	2.38	47 x 47 x 86	710
	5	KHB060H4D	12.5	16.0	59,000	8.5/3.76	34,000	2.46	47 x 47 x 86	787
	5	KDB060H4E	12.5	16.0	59,000	8.50/3.70	34,000	2.46	47 x 47 x 99	816
	5	KDB060H4T	12.0	15.0	59,000	8.30/3.64	34,000	2.46	47 x 47 x 99	816
	7.5	KDB060H4T	12.1	12.9/14.2	86,000	3.6	51,000/47,500	2.25/2.22	47 x 61 x 102	1,158
	8.5	KH/DB102H4M	12.0	14.3	100,000	3.6	56,000	2.25	47 x 61 x 102	1,160
	10	KH/DB122H4M	12.3	14.8	116,000	3.6	65,000	2.25	47 x 61 x 125	1,301

Landmark standard-efficiency rooftop unit performance specifications

			COOLING DATA		HEATING INPUT				PHYSICAL DATA
	NOM. TON	MODEL	EER	SEER OR IEER	LOW	STD.	MED.	HIGH	DIMENSIONS H X W X L [INCHES]	SHIP WT. [LBS.]
GAS / ELECTRIC UNITS	2	KGB024S4D/E	12.5	14.0	—	65	—	—	39 x 47 x 86	571
	2.5	KGB030S4D/E	11.5	14.0	—	65	—	—	39 x 47 x 86	574
	3	KGB036S4D/E/B	12.3	14.0	—	65	108	—	39 x 47 x 86	596
	4	KGB048S4D/E/B	11.5	14.0	—	65	108	150*	39 x 47 x 86	596
	5	KGB060S4D/E/B	11.0	14.0	—	65	108	150	47 x 47 x 86	690
	6	KGB074S4B/T	11.0	12.7/15.0	—	65	108	150	47 x 47 x 86	690
	7.5	KGB090S4B/T	11.0	12.7/14.0	—	—	108	150	47 x 47 x 99	843
	7.5	KGB092S4B/M	11.0/11.2	12.7/13.4	—	130	180	240	47 x 61 x 102	1,003
	8.5	KGB102S4B/M	11.0	12.7/13.4	—	130	180	240	47 x 61 x 102	1,023
	10	KGB120S4B/M	11.0	12.7/13.4	—	130	180	240	47 x 61 x 102	1,071
	12.5	KGB150S4B/M	10.8	12.2/13.5	—	130	180	240	47 x 61 x 102	1,200
	15	KGB180S4B/M	10.8	12.2/13.6	—	260	360	480	55 x 92 x 108	2,055
	17.5	KGB210S4B/M	10.8	12.2/13.3	—	260	360	480	55 x 92 x 108	2,165
	20	KGB240S4B/M	10.8	12.2/13.4	—	260	360	480	55 x 92 x 133	2,380
	25	KGB300S4B/M	10.5	11.4/13.8	—	260	360	480	55 x 92 x 133	2,650
					KW RANGE*
ELECTRIC / ELECTRIC UNITS	2	KCB024S4D	12.1	14.0	5.0	7.5	10.0	—	39 x 47 x 86	543
	2.5	KCB030S4D	11.5	14.0	5.0	7.5	10.0	—	39 x 47 x 86	586
	3	KCB036S4B/D	12.3	14.0	7.5	15.0	—	—	39 x 47 x 86	568
	4	KCB048S4B/D	11.5	14.0	7.5	15.0	—	—	39 x 47 x 86	568
	5	KCB060S4B/D	11.8	14.0	7.5	15.0	22.5	—	47 x 47 x 86	661
	6	KCB074S4B/T	11.2	12.9/15.0	7.5	15.0	22.5	30.00 – —	47 x 47 x 86	661
	7.5	KCB090S4B/T	11.2	12.9/14.0	7.5	15.0	22.5	30.0 – —	47 x 47 x 99	805
	7.5	KCB092S4M	11.2	12.9/13.6	7.5	15.0	22.5	30.0 – 45.0	47 x 61 x 102	955
	8.5	KCB092S4M	11.2	12.9/13.8	7.5	15.0	22.5	30.0 – 45.0	47 x 61 x 102	975
	10	KCB120S4B/M	11.2	12.9/13.6	15.0	22.5	30.0	45.0 – 60.0	47 x 61 x 102	1,023
	12.5	KCB150S4B/M	11.0	12.4/13.5	15.0	22.5	30.0	45.0 – 60.0	47 x 61 x 102	1,152
	15	KCB180S4B/M	11.0	12.4/13.8	15.0	30.0	45.0	60.0 – —	55 x 92 x 108	1,905
	17.5	KCB210S4B/M	11.0	12.4/13.5	15.0	30.0	45.0	60.0 – 90.0	55 x 92 x 108	2,015
	20	KCB240S4B/M	11.0	12.4/13.6	15.0	30.0	45.0	60.0 – 90.0	55 x 92 x 133	2,230
	25	KCB300S4B/M	10.5	11.6/13.8	15.0	30.0	45.0	60.0 – 90.0	55 x 92 x 133	2,500
					47 CAP.	HSPF/COP 47	17 CAP.	COP 17
HEAT PUMP	2	KHB024S4D	11.0	14.0	25,000	8.0/3.76	14,400	2.28	39 x 47 x 86	607
	2.5	KHB030S4D	11.9	14.0	30,000	8.0/3.72	16,200	2.3	39 x 47 x 86	607
	3	KHB036S4B/D	11.5	14.0	36,600	8.0/3.64	20,400	2.32	39 x 47 x 86	607
	4	KHB048S4B/D	11.4	14.0	47,500	8.0/3.72	27,400	2.4	47 x 47 x 86	682
	5	KHB060S4B	11.5	14.0	58,000	8.0/3.72	33,000	2.38	47 x 47 x 86	727
	6	KHA072S4B	11.0	12.2	70,000	3.3	40,000	2.25	47 x 47 x 99	810
	6	KHB074S4T	11.0	14.0	70,000	3.3	40,000	2.25	47 x 47 x99	810
	7.5	KHA092S4M	11.0	12.5	89,000	3.3	53,000	2.25	47 x 61 x 102	1,137
	8.5	KHA102S4M	11.0	12.5	100,000	3.3	55,000	2.25	47 x 61 x 102	1,169
	10	KHA120S4M	11.0	12.5	115,000	3.3	70,000	2.07	47 x 61 x 102	1,235
	12.5	KHA150S4M	10.6	12.0	138,000	3.2	82,000	2.05	47 x 61 x 125	1,435
	15	KHA180S4M	10.6	13.2	178,000	3.2	100,000	2.05	55 x 92 x 130	2,150
	20	KHA240S4M	10.6	13.0	220,000	3.2	124,000	2.05	55 x 92 x 130	2,350