HBA5 MUSTANG Heater Air Box Conditioning

Review MUSTANG Heater Box Assembly Without Air Conditioning New Sale

The Mustang HBA5 heater box air conditioning system is a retrofit solution designed specifically for 1969 and 1970 Ford Mustang models. This heater box air conditioning unit is an upgrade from the original factory heating and cooling systems, providing both heating and air conditioning functionality in one compact package.

The HBA5 system is a horizontal configuration unit that mounts directly into the original heater box location, making it a discreet and OEM-like installation. It utilizes R134a refrigerant, which is environmentally friendly and widely available, ensuring long-term reliability and ease of maintenance.

The heating component of this system is a high-performance, electronically controlled heater core. It features adjustable temperature control, allowing you to maintain your desired interior temperature. This heater core is designed to work in conjunction with the air conditioning system, delivering warm air even when the A/C is engaged.

The air conditioning portion of the HBA5 system consists of a compressor, condenser, evaporator, and expansion valve. The compressor is a belt-driven, high-efficiency unit that delivers cool air through the heater core and into the passenger cabin. The condenser is a compact, horizontal design that mounts behind the grille, allowing for excellent cooling performance and easy access.

The evaporator is a thin, flat design that mounts in the original heater box location, ensuring a proper fit and minimal intrusion into the cabin area. The expansion valve regulates the refrigerant flow, maintaining optimal system pressure and ensuring consistent cooling performance.

This Mustang HBA5 heater box air conditioning system comes complete with all necessary components, including mounting brackets, hoses, and wiring. It also includes detailed installation instructions, making it a user-friendly upgrade for the DIY enthusiast.

Overall, the Mustang HBA5 heater box air conditioning system is an excellent choice for Ford Mustang owners seeking a reliable, high-performance solution for heating and cooling their classic vehicles. It provides the convenience of modern climate control while maintaining the authenticity of the original Mustang design.

Buying a Mustang HVAC (Heating, Ventilation, and Air Conditioning) system, specifically the HBA5 heater box for 1969-1970 Ford Mustang models, can be a significant investment for classic car enthusiasts. Here are some pros and cons to consider before making a purchase.

1. Comfort: Installing a functional HVAC system allows you to enjoy your classic Mustang in various weather conditions, making your driving experience more comfortable.

2. Increased Value: A well-maintained classic car with modern amenities like air conditioning is more desirable and valuable in the market.

3. Preservation: Keeping the original heater box and upgrading it with modern technology can help preserve the originality of your classic Mustang while enjoying the benefits of modern comfort.

1. Cost: A new HBA5 heater box with air conditioning can be quite expensive, and the installation process may also require additional labor and parts costs.

2. Complexity: The installation process for a modern HVAC system in a classic car can be challenging due to the limited space and unique challenges of working with older vehicles.

3. Potential Compatibility Issues: There's a risk that the new HVAC system may not perfectly fit or function optimally in the classic Mustang, requiring additional modifications or adjustments.

Considering the pros and cons, investing in a Mustang HBA5 heater box with air conditioning can be a worthwhile investment for those who want to enjoy their classic Mustang in various weather conditions while preserving its originality. However, it's essential to be aware of the potential costs, complexities, and compatibility issues to ensure a successful installation.

If you decide to pursue the installation of a modern HVAC system in your classic Mustang, we recommend working with a reputable classic car HVAC specialist or Ford Mustang restoration shop to ensure a proper fit, optimal performance, and a successful installation. Additionally, consider researching different HVAC system options and their specific features and compatibility with your Mustang model to make an informed decision.

Details:

The heater plenum attaches to this assembly and directs warm air the car. The heater box is a pre-assembled unit which includes the gasket and all seals. Heater box assembly for all 1969-1970 Mustangs without air conditioning. The heater box assembly consists of the front and rear casings with doors.

This is a factory type fiberglass two piece heater box/heater core casing.

specifications aircondiheat:

• for years: 1969–1970
• brand: Mustang
• mpn: Hba5
• part type: Heater Box Conditioning
• universal fitment: No
• vintage part: Yes
• california prop 65 warning: Cancer And Reproductive Harm.

shipping aircondiheat:

• class: standard
• type: calculated
• carrier: usps
• service: usps ground advantage
• transit: 17-21 days

offer aircondiheat:

• started: may 18, 2026
• sold #: 4
• in stock #: 1
• price: $352.99
• item condition: New
• availability: in stock
• options: ship-to-home

seller aircondiheat:

• rating: 100.0%
• city: saint paul, minnesota
• # reviews: 35

general aircondiheat:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating

returns aircondiheat:

• paid by: seller
• policy: returns accepted
• time: 30 days

payments aircondiheat:

• wallet: google-pay
• other
• credit card: diners-club