Commercial HVAC Service
Fast, reliable troubleshooting and repairs for rooftop units, split systems, package units, heat pumps, exhaust fans, and commercial HVAC equipment.
Preventative Maintenance
Scheduled maintenance programs designed to reduce breakdowns, improve efficiency, and extend equipment life.
HVAC Installation & Replacement
Professional installation of rooftop package units, split systems, heat pumps, curb adapters, ductwork, and system upgrades.
Air Balance & Diagnostics
Airflow testing, balancing, temperature checks, and system performance diagnostics to improve comfort and efficiency.
Cooling Tower & Pump Service
Cooling tower repairs, pump rebuilds, belt replacements, bearings, motors, and related mechanical repairs.
Commercial Ductwork & Ventilation
Spiral duct, exhaust systems, outside air systems, ventilation upgrades, and custom sheet metal installations.
Commercial HVAC Services You Can Count On
Mechanical Pros provides professional commercial heating, cooling, ventilation, and mechanical services throughout Southern California. From preventative maintenance to major equipment replacements, our team keeps your building comfortable and operating efficiently.


Founded in 2002 by Dan Jaramillo, Mechanical Pros Heating & Air Conditioning was built on a commitment to providing honest, dependable, and high-quality HVAC services to businesses throughout Southern California.
Dan began serving the Temecula Valley in 1996, gaining hands-on experience in commercial and industrial heating, air conditioning, ventilation, and refrigeration systems. After years of building a reputation for quality workmanship and reliable service, he established Mechanical Pros Heating & Air Conditioning in 2002.
For more than 24 years, we have been dedicated to keeping our customers comfortable year-round through expert installation, maintenance, repair, and emergency service. Our experienced technicians take pride in delivering dependable solutions, exceptional craftsmanship, and outstanding customer service on every project.
Today, Mechanical Pros continues to serve commercial property owners, property managers, industrial facilities, and businesses throughout Riverside, San Diego, and surrounding Southern California communities with the same commitment to quality and integrity that has guided our company from the very beginning.

Commercial Property Managers & HOA's
Comprehensive HVAC maintenance, rapid repair, and full-system replacements to keep your tenants comfortable and protect your property value.
Retail & Hospitality Venues
Discreet, reliable climate control servicing for storefronts, hotels, and restaurants to guarantee an optimal guest experience.
Industrial & Manufacturing Facilities
Heavy-duty ventilation, exhaust systems, and specialized process cooling built to handle demanding industrial environments.
Corporate Offices
Advanced air filtration, precise zoning control for productivity and air quality compliance.
Medical Offices & Schools
Strict regulatory-compliant HVAC installation and air quality diagnostics for clinics, schools, and local government facilities.
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