About
Local HVAC Experts You Can Trust
LJ Mechanical Heating & Cooling Inc is a locally owned and operated HVAC company proudly serving Gilroy, California, and the surrounding areas. Founded and operated by Larry Acosta, our business is built on over 20 years of hands‑on experience providing dependable heating and cooling solutions for residential customers.
As an owner‑operated company, every project receives direct attention from Larry himself—ensuring quality workmanship, honest communication, and reliable results on every job.
100%
LICENSE pROFESSIONAL
15
Expert Staff Members
1000+
happy clients
20+
Years of Experience
Our Story
LJ Mechanical Heating & Cooling Inc was established with a simple mission: to provide honest, high‑quality HVAC services homeowners can rely on. After spending decades working in the heating and cooling industry, Larry Acosta set out to create a company that puts customers first—where expertise, accountability, and craftsmanship are never compromised.
Unlike larger companies that pass jobs between technicians, LJ Mechanical offers a more personal approach. From your first call to the final walkthrough, you’ll work directly with an experienced professional who understands your system, respects your home, and stands behind his work.
FAQ's
How often should I have my HVAC system serviced?
We recommend having your HVAC system serviced twice a year—once in the spring for cooling maintenance and once in the fall for heating maintenance. Regular maintenance ensures your system runs efficiently and extends its lifespan.
What types of heating systems do you install?
We install a variety of heating systems, including furnaces, heat pumps, and ductless mini-splits. Our team will assess your home’s needs and recommend the most efficient heating solution.
Do you offer emergency HVAC repair services?
Yes, we provide emergency HVAC repairs for both heating and cooling systems. If you experience a breakdown, you can rely on our team to provide prompt, professional service to restore comfort in your home or business.
What makes LJ Mechanical Heating & Cooling Inc different from other HVAC contractors in Gilroy?
Our business stands out due to our commitment to customer satisfaction, experienced technicians, and 24/7 emergency services. We are known for our reliability and affordable pricing.
Can you help with indoor air quality issues?
Yes, we offer indoor air quality solutions such as air purifiers, humidifiers, and ventilation systems. These systems can help reduce allergens, improve air circulation, and maintain a comfortable environment.
Do you provide free estimates for HVAC installations?
Absolutely! We offer free estimates for new HVAC system installations. Our experts will assess your home’s needs and recommend the best system within your budget.
How can I tell if my HVAC system needs repair?
Some common signs that your HVAC system needs repair include uneven temperatures, strange noises, foul odors, or poor airflow. If you notice any of these issues, it’s time to call in the experts at LJ Mechanical Heating & Cooling Inc.
What brands of HVAC systems do you work with?
We work with several trusted HVAC brands, including Trane, Lennox, and Carrier. Our goal is to provide high-quality systems that deliver optimal performance and energy efficiency.
How do I improve my HVAC system’s energy efficiency?
We recommend regular maintenance, upgrading to a high-efficiency system, installing programmable thermostats, and ensuring proper insulation to improve energy efficiency. Our team can provide additional tips tailored to your system’s needs.
Do you offer HVAC financing options?
Yes, we provide flexible financing options to help make your HVAC installation or repair more affordable. Our team will work with you to find a plan that fits your budget.
LET'S TALK
Comfort You Can Count On—All Year Long
Whether your system needs a quick repair, a full replacement, or routine maintenance, LJ Mechanical Heating & Cooling Inc is here to help. Our commitment to honesty, integrity, and quality workmanship means you’ll always receive dependable solutions and peace of mind.
