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Commercial HVAC Solutions
Navien’s commercial HVAC solutions deliver high-efficiency heating and cooling for light commercial buildings that demand reliable performance, sustainable design, and long-term value. Ideal for offices, restaurants, clinics, schools, fitness centers, and retail spaces, Navien systems provide energy-efficient comfort with warranty coverage that supports commercial use.
Our integrated lineup of furnaces, heat pumps, air handlers, and cased coils gives contractors and building owners flexible options to design commercial HVAC systems that are efficient, compliant, and built to last.
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Navien commercial HVAC advantages
Navien commercial HVAC systems combine efficient performance, sustainable design, and long-term reliability for commercial projects focused on comfort, manageable operating costs, and dependable uptime.
Commercial warranty coverage
Navien HVAC products are backed by limited warranty coverage for commercial installations, including parts, labor, and the combustion heat exchanger.
AHRI-matched system performance
Certified system combinations ensure predictable efficiency, proper system pairing, and reliable performance.
Designed with sustainability in mind
Ultra-low NOx furnaces and low-GWP R-454B refrigerant support compliance with current and emerging regulations without sacrificing performance.
Flexible system design
Well-suited for standalone buildings, tenant buildouts, and multi-zone layouts where adaptability and space constraints are part of the equation.
Quiet operation for occupied environments
Sound-reducing design enhances comfort in customer-facing spaces and work environments where noise control matters.
Lower operating costs through
higher efficiency
High-efficiency components and variable-capacity operation reduce energy waste, helping control utility costs without sacrificing comfort.
New Navien HVAC Solutions
NPF Hydro-furnace: High-Efficiency Heating with Flexible Fuel Options.
The Navien NPF Hydro Furnace provides high-efficiency, forced-air heating for commercial settings that need reliable performance, quiet operation, and flexible system design.
- Variable-capacity operation (15–100%) supports changing load conditions and helps reduce energy waste
- 97% AFUE for high-efficiency commercial heating
- Natural gas or propane compatible, with dual-fuel capability when paired with an AHRI-matched heat pump
- Quiet operation through isolated combustion and intelligent blower control
- Flexible installation options including upflow, downflow, and horizontal configurations
- Ultra-low NOx compliant to support environmental goals and regional requirements
- Commercial warranty includes 1 year parts and labor, and 10 years on the combustion heat exchanger
Learn more about the
NPF Hydro-furnace
NAZ Heat Pump: Efficient Commercial Heating & Cooling with Adaptive Performance
The Navien NAZ Series heat pump is ideal for commercial buildings where load conditions change throughout the day.
- Capacity-matching inverter technology adjusts output based on demand, helping reduce energy waste and improve comfort consistency
- Up to 19.5 SEER2 for high-efficiency commercial operation
- Low-GWP R-454B refrigerant supports sustainability goals and evolving environmental standards
- Quiet operation with sound-dampening compressor design and swept-wing fan blade
- Cold-weather performance with heating operation down to -4°F
- AHRI-matched system compatibility with Navien air handlers and cased coils
- Dual-fuel capable when paired with a Navien furnace
- Wide operating range from -4°F to 124°F for year-round commercial use
Learn more about the
NAZ Heat Pump
New NAA Series: Variable-capacity High-efficiency Air Conditioner
Engineered for simple installation in new or retrofit applications, the NAA uses eco-friendly R454B low-GWP refrigerant and a high-efficiency ECM variable-speed swept-wing fan blade to deliver quiet, energy-efficient performance.
- Environmentally friendly R-454B low GWP refrigerant.
- Energy-efficient with matches up to 18.0 SEER2.
- Compatible with single-or two-stage conventional thermostats.
- Performs in outdoor temperatures from 5°F to 124°F (-15°C to 51°C).
- Two outdoor units covering 1.5-5.0 ton applications.
- Inverter driven variable-speed compressor.
Learn more about the
NAA Air Conditioner
NAS Air Handler: Flexible Airflow for Commercial HVAC Systems
Navien NAS Air Handlers support consistent, efficient heating and cooling in commercial spaces, designed to integrate seamlessly with Navien heat pumps and cased coils.
- Available in 2–5 ton capacities to support a wide range of light commercial system designs
- Multi-position installation supports upflow, horizontal, and downflow configurations (with kit)
- Aluminum coil with factory-installed TXV for efficient heat transfer and reliable refrigerant control
- Variable-speed blower options (SECM and ECM) for consistent airflow and improved comfort control
- Optimized for R-454B refrigerant to align with modern efficiency and environmental standards
- Integrated refrigerant detection system for added safety
- Optional electric heat kits (5–20kW) for auxiliary or emergency heat needs
- Airtight cabinet design with full-perimeter duct flange for cleaner installation and reduced air loss
Learn more about
NAS Air Handlers
NAM Cased Coil: Durable Performance for Commercial HVAC Applications
NAM cased coils are designed to integrate seamlessly into commercial HVAC systems with durable construction and flexible installation options that simplify system design.
- Available in 2–5 ton capacities to match a wide range of commercial system requirements
- Aluminum coil construction for corrosion resistance and efficient heat transfer
- Factory-installed TXV for consistent, controlled refrigerant flow
- Optimized for R-454B refrigerant to align with modern efficiency and environmental standards
- Multi-position installation supports upflow, downflow, and field-convertible horizontal configurations
- AHRI-matched and certified for predictable system performance with Navien heat pumps and furnaces
- Dual-fuel compatible when paired with a Navien furnace
- Integrated A2L leak sensor designed to support safe installation and code compliance
- Leak-tested prior to shipment to support long-term durability and dependable operation
Learn more about the
NAM Cased Coil
Designed for light
commercial buildings
Navien commercial HVAC systems are designed for everyday use in occupied commercial spaces where efficiency, quiet operation, and dependable uptime are priorities, including:
- Restaurants and cafés
- Medical and dental clinics
- Schools and daycare facilities
- Fitness centers and studios
- Small office buildings
- Retail shops and service businesses
HVAC FAQs
Top questions (and answers) about HVAC from our customer service team.
Do all Navien HVAC products include a commercial warranty?
Yes. All Navien HVAC products include warranty coverage for approved commercial applications, giving building owners and contractors added peace of mind.
How much do Navien commercial HVAC systems cost?
Pricing varies based on system configuration, building size, and installation requirements. An authorized Navien contractor can provide a detailed estimate based on your project
How long do Navien commercial HVAC systems last?
With proper installation and routine maintenance, Navien commercial HVAC systems are designed for long service life and reliable performance.
Are Navien systems compatible with commercial HVAC zoning?
Yes. Navien systems can be integrated into zoning and multi-zone designs commonly used in light commercial buildings.
How do I choose the right HVAC system for my commercial building?
System selection depends on building size, layout, usage patterns, and efficiency goals. A qualified Navien contractor can help design a system that meets your needs.
Who can install Navien commercial HVAC systems?
Navien commercial HVAC systems must be installed by licensed, qualified HVAC professionals familiar with commercial applications and local code requirements.
Are Navien systems suitable for mixed-use or tenant spaces?
Yes. Navien’s flexible system configurations make them well-suited for mixed-use buildings and tenant improvement projects.