
Gas Heaters and Air Makeup Units for Spray Booths
High-performance gas heaters and air makeup units designed for balanced airflow, faster curing, and consistent finishing results.

Heating Equipment
Clean Air, Controlled Heat, Superior Results.
California Pulse gas heaters hold booth air in balance, shorten cure times, and keep finishes consistent. Gas heating equipment can be bought online, and we can size the unit to your booth before you order.
Common Industries
- All Industries
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- Proudly Made in the USA

- ETL Listed Systems Available

- Backed by Warranty

- Engineered Designs

- Decades of Experience

At a Glance
Gas air makeup unit specifications
| Capacity, listed units | 4,000 CFM to 55,000 CFM |
|---|---|
| Capacity, non-listed | Up to 110,000 CFM |
| Orientation | Vertical or horizontal, indoor or outdoor, with various discharge orientations |
| Low NOx options | Low NOx burners (Riello or Midco), or low-capacity heaters as an alternative to low NOx |
| Controls | VFD motor control and automatic pressure balancing, Prep Mode, Flash Mode, and fault indicator lights |
| Control panel | UL 508A listed, certified by ETL |
|---|---|
| Interlocks | Connection points for all required interlocks, to integrate with booth safety systems |
| Construction | Heavy-gauge steel housing, insulated cabinet, high-efficiency burner, precision-balanced fans |
| Custom builds | Airflow capacity tailored to multi-booth and custom industrial systems |
Gas air makeup unit models
| Heater | CFM range | BTU range |
|---|---|---|
| R1 | 4,000 – 13,000 | 0.4M – 1.5M |
| R1+ | 14,000 – 16,000 | 1.5M |
| R2 | 12,000 – 30,000 | 2.0M – 3.0M |
| R3 | 28,000 – 40,000 | 3.0M – 3.5M |
| R5 | 40,000 – 55,000 | 4.0M – 5.5M |
See It in Action
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Codes & Standards
Code Compliance



California Pulse products are designed and manufactured to comply with applicable industry codes and standards
- Refer to NFPA 33 and Chapter 24 of the International Fire Code (IFC) for spray applications involving flammable and combustible materials.
- Refer to NFPA 86 and Chapter 30 of the IFC for curing and drying operations.
- Most California Pulse systems carry ETL listings, demonstrating compliance with North American safety standards such as UL, NFPA, and OSHA.
- ETL listings certify that ETL has rigorously tested California Pulse products to meet strict safety and performance criteria.
- Please note local regulations may vary; California Pulse recommends consulting your local authority having jurisdiction before purchasing paint booths or finishing equipment.
FAQ
Frequently Asked Questions
What are the benefits of using a gas heater in a spray booth?
Gas heaters are one of the most popular heating solutions for spray booths because they provide fast temperature recovery, lower operating costs, and reliable performance. California Pulse gas heaters are engineered to quickly raise booth temperatures, helping operators reduce flash times, accelerate curing, and maintain consistent finishing conditions throughout the year. This translates into faster production cycles and improved shop efficiency.
Will a gas spray booth heater help reduce curing times?
Yes. Properly heated airflow can dramatically reduce drying and curing times compared to air-drying alone. California Pulse gas heating systems are designed to deliver consistent, controlled heat that helps coatings cure faster and more evenly, allowing manufacturers and body shops to move products through production more efficiently while maintaining finish quality.
Are gas heaters energy efficient?
Modern gas heaters can be highly efficient when properly sized and configured. California Pulse gas heating systems can incorporate recirculation modes, VFD controls, and automatic airflow balancing features that help reduce fuel consumption while maintaining optimal booth performance. The result is lower operating costs without sacrificing productivity or finish quality.
Can a gas heater improve paint and coating quality?
Absolutely. Consistent temperature control is critical for achieving professional finishes. A properly designed gas heating system helps maintain stable booth conditions during spraying, flashing, and curing, reducing the risk of coating defects, inconsistent drying, and costly rework. California Pulse gas heaters are engineered to support high-quality finishes across automotive, industrial, aerospace, and manufacturing applications.
Are California Pulse gas heaters compliant with industry requirements?
Yes. California Pulse offers gas heating systems with available full-system ETL listings and designs equipment to support applicable NFPA, UL, and local code requirements. Unlike many suppliers that only provide listed components, California Pulse focuses on complete system solutions designed to simplify permitting, inspections, and long-term compliance.
Can a gas heater be integrated with my existing spray booth?
In many cases, yes. California Pulse can engineer gas heating systems for both new installations and existing spray booths. Whether you're upgrading an older booth, adding heat for the first time, or looking to improve production efficiency, our team can help design a solution that works with your operation.
Ready to build a custom solution for your business?
Contact California Pulse today for a consultation and discover how a purpose-built system can improve how your shop runs.
Before you specify
Worth reading first
- Spray Booth Heating SystemsApplication heat, cure cycles, gas versus electric, air makeup units, and how to work out which system your process needs.
- Spray booth heaters for cold climatesSizing and control choices for booths that have to work through a real winter.
- NFPA 86 for ovens and furnacesPurge cycles, safety interlocks, and what applies to a cure oven.



