Business Details
33 Years
experience
Emergency
services
Your Trusted HVAC Partner in Los Angeles
Founded in 1993 by Yossi Mesica, JMS Air Conditioning and Heating has grown from a one-man operation to a 30-person team dedicated to delivering exceptional HVAC services across the Greater Los Angeles area. Our personalized approach prioritizes long-term client relationships, ensuring tailored solutions for heating, cooling, and indoor air quality needs. With a 100% satisfaction guarantee, we combine technical expertise with eco-friendly practices, offering energy-efficient installations, emergency repairs, and preventative maintenance.Our commitment to accountability, transparency, and community trust has solidified our reputation as a leader in HVAC services, serving residential and light commercial clients with integrity and precision.
Services
AC Installation
AC Repair
Central Air Conditioners
Commercial Air Conditioners
Ductless Systems
Air Duct Services
Heat Pumps
Thermostats
Furnaces
Commercial Heating
Details
- Year established: 1993
Highlights and features
- We offer a 100% satisfaction guarantee on all HVAC services.
- Our team provides lifetime warranties on repairs for Preferred Customer Club members.
- We specialize in energy-efficient, eco-friendly HVAC solutions.
- Our technicians have over 30 years of combined experience in the HVAC industry.
- We deliver 24/7 personalized customer support for emergency needs.
What people say
Knowledgeable technicians
Courteous service
Fantastic job
Professional work
Excellent service
Services
AC Installation
We install high-efficiency central, ductless, and commercial AC systems tailored to your property's needs. Our technicians perform Manual J load calculations to ensure optimal sizing and energy efficiency. Modern SEER2-compliant units reduce utility costs while providing quiet, reliable cooling for homes and businesses.
Heating Repair
Our certified technicians diagnose and repair all heating system types, including gas furnaces and heat pumps. We address ignition failures, blower motor issues, and heat exchanger problems with precision. Emergency repair services restore warmth quickly during cold weather emergencies.
Indoor Air Quality
We install HEPA filters, UV germicidal lights, and whole-home humidifiers to improve respiratory health. Our solutions target allergens, viruses, and pollutants in Los Angeles' urban environment. System integrations ensure cleaner air without compromising HVAC efficiency.
Maintenance Program
Our annual maintenance includes two system inspections, filter replacements, and coil cleaning. Members receive 20% repair discounts and lifetime warranties on maintained components. Preventative care extends equipment lifespan and maintains manufacturer warranties.
Emergency Repairs
We provide rapid-response repairs for AC and heating failures outside regular hours. Our technicians carry common replacement parts for immediate fixes. Emergency service prioritizes restoring comfort during extreme weather conditions.
People
Yossi Mesica
Founder
Yossi Mesica founded JMS Air Conditioning and Heating in 1993 after gaining expertise in electrical and HVAC industries. He built the company from a one-man operation to a 30-person team focused on customer relationships and technical excellence.
Azarya
Technician
Azarya consistently receives praise for punctuality, technical knowledge, and courteous service during AC installations and repairs. Customers highlight his professionalism in online reviews.
Eduardo
Technician
Eduardo provides detailed explanations of HVAC repairs, including visual documentation of completed work. He offers personalized recommendations for future maintenance and system improvements.
Enio
Technician
Enio demonstrates exceptional skill in diagnosing complex HVAC issues. His thorough approach to repairs and clear communication earns consistent five-star ratings from clients.
Raymond
Technician
Raymond specializes in complete HVAC system installations, ensuring proper sizing and integration with existing infrastructure. Customers praise his attention to detail and workmanship quality.
Questions
What HVAC services do you offer in Los Angeles?
We provide AC installation, heating repairs, indoor air quality solutions, emergency services, and preventative maintenance programs for residential and commercial clients.
Do you offer emergency HVAC repair services?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling needs with rapid response times during extreme weather.
What areas do you serve?
We serve the Greater Los Angeles area including Beverly Hills, Burbank, Glendale, Santa Monica, Thousand Oaks, and surrounding communities.
Do you have financing options available?
Yes, we offer financing options for HVAC installations and major repairs to qualified customers through our partnerships with financial institutions.
What is your maintenance program?
Our $185/year maintenance program includes two system tune-ups, filter replacements, and exclusive member discounts on repairs and equipment.
Are your technicians certified?
All our technicians are licensed, insured, and receive ongoing training to maintain expertise with the latest HVAC technologies and repair methods.
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