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33 Years
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Expert HVAC Services in Los Angeles, CA
Founded in 1993, JMS Air Conditioning and Heating has grown from a one-man operation to a 30-person team serving the Greater Los Angeles Area. Our foundation is built on integrity, accountability, and transparency, ensuring personalized solutions for every HVAC need. We specialize in air conditioning, heating, and indoor air quality services, prioritizing customer satisfaction through 100% satisfaction guarantees and lifetime warranties on repairs.

Our technicians are trained to handle all makes and models, offering energy-efficient upgrades and emergency services. With decades of local expertise, we focus on improving system efficiency, reducing environmental impact, and delivering tailored comfort solutions. Our commitment to clear communication and long-term relationships has made us a trusted name in HVAC services since 1993.
Services
AC Installation AC Repair Heating Services Indoor Air Quality Maintenance Program Heat Pumps Thermostats Air Duct Services Commercial HVAC Emergency Repairs
Details
  • Year established: 1993
Highlights and features
  • We offer 24/7 emergency HVAC services for urgent repairs.
  • Our team has over 30 years of local HVAC expertise in Los Angeles.
  • We provide lifetime warranties on repairs for Preferred Customer Club members.
  • We guarantee 100% satisfaction on all HVAC installations and repairs.
  • We offer energy-efficient upgrades with rebates and financing options.
What people say
Knowledgeable technicians Courteous service Reliable repairs Professional recommendations Top-notch service
Services
Furnace Services
Count on JMS Air Conditioning and Heating for all your furnace needs, whether it's a fresh installation or repair and maintenance of your existing unit. Our reliable team is here to provide comprehensive furnace services you can rely on.
Heating
Los Angeles is a city that never gets cold according to the rest of the nation, right? Of course, actual residents of the city know better-even LA has its share of chilly nights in winter. So even if our winters are brief, there's no doubt that you need a heating system to take you through those cold nights. During those times where your heater is suffering from performance issues, you need a reliable heating contractor there for you.
Ac Repair Maintenance
Rely on our team of experienced professionals for expert AC repairs and thorough air conditioning tune-ups, all accompanied by our 100% satisfaction guarantee. Our EPA-certified air conditioning technicians receive ongoing training to ensure they can proficiently handle repairs and maintenance for various air conditioner brands and system types.
Heat Pump Services
When you're looking for an alternative to the usual central AC and furnace setup, nothing quite compares to the heat pump. These systems combine both heating and cooling functions into one system-you'll be set for both winter and summer! Of course, that also means they'll be running twice as much. That's why it's crucial to ensure they receive regular heat pump maintenance and prompt repairs. Whether you're looking for a new heat pump installation, a heat pump replacement, or you simply need someone to repair your current one, you've found the right company.
Central Air Conditioner
At JMS Air Conditioning and Heating, we pride ourselves on being the go-to experts for all your central AC needs. Whether you require installation, replacement, repairs, or maintenance services, we have you covered. Serving the residents of Los Angeles since 1993, we have earned a reputation for being a trusted and recognized name in the community. Our priority is to provide you with tailored solutions that meet your comfort requirements. Prepare to experience a level of friendliness and personalized service that sets us apart from any HVAC contractor you have worked with in the past.
Commercial Air Conditioner
Let's face it, if your business or building was planning on surviving through a Los Angeles summer without air conditioning-you'd better be ready for disappointment.
Temperatures get unbearably hot during spring, summer, and fall, and you'd better make sure your business is ready to keep things comfortable. That's why JMS Air Conditioning and Heating is on a mission to keep every building in the area cool and comfortable when the heat arrives.
Maintenance
Annual maintenance services are key to ensuring the long and successful service life of your HVAC systems. No matter what type of heater or air conditioner or indoor air quality system you own, you will benefit from these services, guaranteed. That's why JMS Air Conditioning and Heating offers a Yearly Service Maintenance Membership, designed to give you the comfort and peace of mind that you deserve. Our membership program is more than just a maintenance agreement-it has been developed to create long-lasting relationships with our customers and to keep you comfortable indoors while saving you money on energy costs.
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 into a 30-person team focused on customer service and technical excellence in Los Angeles.
Questions
What HVAC services do you offer in Los Angeles?
We provide AC installation, heating repairs, indoor air quality solutions, maintenance programs, and 24/7 emergency HVAC services across Los Angeles.
Do you offer emergency HVAC repairs?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling issues.
Are financing options available for HVAC upgrades?
Yes, we offer financing options to make HVAC installations and repairs more affordable.
What areas do you serve?
We serve West Los Angeles, the San Fernando Valley, and surrounding areas including Beverly Hills, Burbank, and Santa Clarita.
Do you have a maintenance program?
Yes, our Preferred Customer Club includes 20% off repairs, lifetime warranties, and priority service scheduling.
Videos
Reviews (6)
Joshua Hackney
Jun 23, 2019 Report
The gentleman who arrived was remarkably swift and exceedingly polite. He conducted a comprehensive inspection of all the necessary components, effortlessly installed my complimentary NEST smart thermostat, and replaced the filter with great diligence. My only recommendation for improvement would be that if they happen to encounter delays due to unforeseen challenges on another job, a simple phone call to inform me would be greatly appreciated.
Stacey Pelton-Andrade
May 11, 2019 Report
Very satisfied The technician was incredibly knowledgeable and friendly They called me half an hour before he arrived Arrived on time I was very very satisfied
Shari Rosenman
Jan 17, 2019 Report
I had the pleasure of meeting with the owner, who was an absolute delight to converse with, emanating a positive and upbeat demeanor. He dedicated ample time to thoroughly elucidate all the available options to us. While I'm still in the process of seeking a second opinion before making a final decision, I believe JMS would excel in providing us with outstanding service.
Danny Franco
Jan 09, 2018 Report
First at all want to say thanks to JMS for sending ISAAC and STEVE out to take care of a minor problem I have with the heating unit. They brought up an issue on the unit that was their since it was installed (by others)they troubleshooted the problem and took care of it. these guys are very knowledgeable. I would and will recommend this company. Give them a try and if you do ask for ISAAC AND STEVE ...
Marlene Okulick
Dec 15, 2017 Report
The Technician, Issac delivered excellent service. He took his time with the job and and offered the best low cost solution. JMS does the job right and very responsive to calls and service. The repair was does in a timely manner. JMS has installed a new HVAC system in our work space and home. they work perfect. They are the most honest and caring management.
Cindy Eppolito
Dec 15, 2017 Report
JMS expertly installed my AC/Heating Units a decade and a half ago, and ever since then, they have continuously provided me with exceptional service and support as a valued client. The dedicated team, including Tina, Raymond, and the other staff members over the years, consistently demonstrate an unwavering commitment to professionalism and efficiency in completing their tasks.
Undoubtedly, JMS is an outstanding company.