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(702) 830-7553
24-Hour Service

Superior Service That Soars Above The Rest

  • 5

    "The initial call to set up the maintenance appointment was very expeditious. Keith had arrived on time and was most helpful and very professional. Keith was scheduled for the heater maintenance, however, I had expressed my concern about a rather loud ..."

  • 5

    "I have been a satisfied Sierra customer for many years. Today one of its technicians, Derek Serge, provided excellent pre-summer inspections of my two HVAC Units. He was punctual, polite and well-informed. Perhaps the best job yet - fast, efficient ..."

  • 5

    "Dina was terrific in working with me on scheduling and Tyrone was fantastic at servicing our units. He explained what was needed and recommended things for us to consider in the future to keep our units running well and more efficiently. Totally ..."

  • 5

    "Working with Sierra, LLC was straightforward and easy. Starting with the estimate and continuing through the installation, everyone was professional, efficient and respectful. Sierra is highly recommended."

  • 5

    "Always does work as promised. Only positives for this company."

  • 5

    "I am so glad I contacted Sierra. They save me $10K. I originally contact Elite Heating and Cooling and they wanted to replace my entire furnace, coils and condenser in my air conditioner. When all I need done was the motor replaced in my furnace ..."

  • 5

    "Great Service! Friendly, informative and took time to thoroughly inspect everything. We have a Home Warranty Service but still look to Sierra for their expertise where our HVAC system is concerned...They're the best!"

  • 5

    "Yvonne, the customer service rep, was wonderful and so prompt in returning my request for an appointment. She was thorough and very professional as she described the new programs which they offer. I feel confident that my heating and air conditioning ..."

  • 5

    "Sierra Air is very professional and offers great service. Today, my technicians Wayne and Dan did an excellent job on the maintenance of my units (I have 7) Dan even took the time to draw a diagram for me to show how my system works. Everything ..."

  • 5

    "Wayne was very thorough and helpful with his analysis of our system. Very professional. His complete analysis of the system will be very beneficial in determining whether repairs or replacement will be cost effective."

  • 5

    "Drew was professional and courteous. Couldn't ask for more. We have been with Sierra since 1994 and have not regretted a moment. The service is always top notch."

  • 5

    "Keith T. is a real pro. He gave detailed explanations in layman terms, to help me understand my HVAC system. I would recommend Keith for any AC work. Thanks!"

  • 5

    "Made our tune up appointment with no problem. Sierra was very flexible with making the appointment in October."

  • 5

    "The office staff is exceptional in scheduling service with a smile. The technician, Larry B, readily diagnosed the problem and quickly fixed it. It's comforting to know that you can get service 7 days a week, if necessary."

  • 5

    "Excellent service. On time. Jeremy is "one of the best". Will ask for him for every service appt."

  • 5

    "Great company to do business with. Installation was done quickly and I had very good workmanship with friendly service at a very good price."

  • 5

    "Our experience with Sierra Air have always been excellent. Tech Drew Williams is one of their best. He is very knowledgeable, professional and friendly. We look forward to seeing Drew again in the fall."

  • 5

    "Sierra is extremely professional and timely. I really appreciate the follow-up calls to let me know exactly when the technician is on the way out so I do not have to wait around for hours. The technicians are super helpful and friendly, even ..."

  • 5

    "I have used Sierra for the past 4 years, and can't say enough good things about them. Customer service rep Yvonne was so polite and professional."

  • 5

    "Frank H. was very professional. We are very happy with Sierra LLC. We have had them come for maintenance twice and were happy both times. This time Frank replaced the AC motor and capacitor under warranty. Great preventive maintenance. Highly recomme ..."

  • 5

    "It doesn't GET better than this! After a week long dragging of feet and a major struggle with a competitor, I called Sierra, LLC and was thrilled to speak to a local office (not a call center). Jeremy was out same day for a diagnosis and quote, and ..."

  • 5

    "I didn’t expect same day service when I called with my AC problem but when the Sierra office called back that afternoon and said Wayne E. could be at my house in 20 minutes I was a happy camper. I tagged along with Wayne the entire time he was at my ..."

  • 5

    "Todd from Sierra Air was outstanding. He explained everything he was doing thoroughly and did the repair in a timely manner. He was very professional and because of his knowledge of my air conditioning unit I purchased the maintenance agreement."

  • 5

    "If you live in Las Vegas, you need to have an "AC guy". We now have an AC guy and it's Wayne from Sierra. We recently moved and wanted to get the AC checked before the real heat moves in. Wayne checked both AC units, gave us the full run down on what ..."

  • 5

    "Great company. Have been a customer of theirs for a long time. Exceptional service. Jeremy B. is the rep I had today. He was outstanding. Very personable and knowledgeable. Would recommend this company to anyone. I did recently with a friend from ..."

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