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Serving the Los Angeles county and surrounding cities

HVAC Services in Los Angeles, CA

M.S. Mechanical Service, Inc. is a family-owned and operated business, proud to offer heating and air conditioning services to the Los Angeles County area. Our technicians are highly experienced, and you can expect quality work every time. Our pledge is to keep your system in the same shape or better, and our goal is to provide quality and honest service to every customer. All in all, we remain committed to our company’s core values, no matter the job:

  • Honesty
  • Knowledge
  • Integrity

Are you looking into purchasing a new air conditioning system? Need repairs for a broken one? Having problems with your furnace? Worried about your indoor air quality? We’re here for you. We’ll make sure you have the facts before we begin work in your home. Then, we will work as quickly as possible while ensuring the quality of your installation or service. Call our friendly team today for all of your heating and air conditioning needs in the LA area!

Air Conditioning

Central air conditioning is something most people in Los Angeles cannot picture life without. We’re here to make sure you never have to go for long without it! We install air conditioners of all sizes from some of the top brands, and we service any make or model. Whether you need a quick repair or a complete AC replacement, you can count on us to provide quality service every time. We also offer an excellent maintenance program that can keep your air conditioning in better shape for longer!


It may not be often that you have to turn on your heater. But when you do, you expect it to run smoothly. If you find yourself in need of repairs for your central heating, or if you’re in the market for a new furnace or heat pump, give us a call. Our technicians can make sure a new heater is the right fit for your home with all of the features you need. They can get a heating repair under control quickly, as we provide ongoing training so technicians are always ready for the work ahead. M.S. Mechanical Service, Inc. is your source for quality heating in Los Angeles!

Indoor Air Quality

Perhaps you’ve noticed that family members have been coughing and sneezing more than usual lately, or someone in the home may have severe allergies. Maybe you’re tired of feeling uncomfortable in the hot, humid summer months. We install air purifiers, dehumidifiers, and other indoor air quality systems to help you deal with air quality issues that cannot be improved just by turning on the air conditioner. We can install your new indoor air quality system within the ductwork system, so that it can run as you use your air conditioner or heater.