Commercial Refrigeration

Safe, Efficient Air & Refrigeration Systems for Commercial Spaces

Businesses rely on tightly controlled environments — whether it’s keeping food at safe temperatures, maintaining clean airflow in medical labs, or ventilating high-heat kitchens and multi-unit buildings. SMI HVAC Services provides expert commercial refrigeration and ventilation solutions designed to meet your industry's operational, safety, and regulatory requirements.



We work with hotels, restaurants, laboratories, office buildings, and apartment complexes throughout Santa Maria, Santa Barbara County, and nearby areas. Our team installs, maintains, and repairs commercial refrigeration units and ventilation systems, ensuring you’re always running clean, efficient, and compliant.

Refrigeration & Ventilation Services We Offer

We provide full-service refrigeration and ventilation support across all major commercial property types.

Commercial Refrigeration

Walk-In Coolers & Freezers

Installation and repair of high-capacity units for food storage, lab supplies, and temperature-sensitive goods.

Reach-In Coolers & Beverage Cases

Maintenance and part replacement for front-facing equipment used in restaurants and convenience settings

Refrigeration System Repair

Diagnosing and repairing compressor failure, leaks, thermostat issues, defrost system malfunctions, and airflow restrictions.

Refrigerant Checks & Compliance

Ensuring refrigerants are within spec and compliant with EPA guidelines.

Preventive Maintenance

Coil cleaning, temperature calibration, fan motor testing, and overall system performance inspections.

Commercial Ventilation

Kitchen Exhaust & Make-Up Air Systems

Design, installation, and repair of hoods, fans, and make-up air systems for restaurant kitchens and commercial food prep areas.

Fresh Air Intake Systems

 For labs, classrooms, and commercial offices requiring ventilation that meets air exchange rate standards.

Bathroom & Utility Ventilation

Fan installation and duct routing for multi-unit housing or high-traffic facilities.

Air Balancing & Pressure Testing

Ensuring that airflow is consistent across zones, properly exhausted, and not overloading HVAC equipment.

Filter Maintenance & Odor Contro

Routine filter changes and odor mitigation strategies in restaurants, shared spaces, and labs.

Industries We Serve

We understand the operational pressures and regulatory requirements of commercial clients. That’s why we design solutions around your unique building needs, occupancy, and budget.



Our refrigeration and ventilation services are ideal for:

  • Restaurants and commercial kitchens – Food safety, ventilation, and odor control are essential to health code compliance.
  • Hotels and hospitality venues – Guest comfort, clean air circulation, and reliable cooling systems for food service areas.
  • Laboratories and medical spaces – Clean air flow, environmental controls, and sensitive storage environments.
  • Office buildings and retail stores – Quiet, efficient air movement that supports comfort and productivity.
  • Apartment buildings and multi-unit complexes – Ventilation for laundry areas, kitchens, and bathrooms in high-density housing.


Whether you’re a facilities manager, property owner, or general contractor, we provide real-world HVAC solutions — not one-size-fits-all packages.

Common Issues We Solve

Our commercial clients call us for a wide range of issues involving performance, compliance, and system wear. Here are just a few problems we’re equipped to fix:


Refrigeration:

  • Warm temperatures or inconsistent cooling
  • Ice build-up or condensation in freezers
  • Loud or vibrating compressor units
  • Leaking refrigerant
  • Overworked compressors or failed thermostats


Ventilation:

  • Ineffective kitchen exhaust removing heat or smoke
  • Drafts or poor air quality in offices or apartments
  • Bathroom fans not venting properly
  • Ductwork obstructions or poor airflow balancing
  • Humidity problems or mold in vents


We don't just identify symptoms — we trace the source and offer durable, code-compliant solutions.

Why Businesses Choose SMI HVAC Services

  • Commercial-Focused Expertise: We know how to work in live business environments with minimal disruption.
  • Licensed, Insured, and Qualified: We meet California HVAC and refrigeration standards and stay current on commercial codes.
  • Responsive & Respectful: Clear communication, job-site professionalism, and no cut corners.
  • Honest Pricing: No free estimates — just accurate assessments based on your building, your equipment, and your actual needs.
  • Service With Integrity: Our team is known for doing what we say we will — when we say we will.

FTL Financing Available

Refrigeration and ventilation systems are major operational assets. If your system needs an overhaul or replacement, we offer financing through FTL Financing to help reduce the up-front financial burden.



Our team will walk you through financing options tailored to your business type and credit profile, so you can move forward with the project your facility needs — without putting off critical upgrades.

Book Commercial Service Today

Need to upgrade your refrigeration or ventilation systems? Facing a walk-in failure or compliance issue? We’re here to help with fast, honest commercial service that prioritizes safety, efficiency, and clear results.