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(702) 830-7553
24-Hour Service

Superior Service That Soars Above The Rest

  • 5

    "We had Sierra come and give us an estimate after having another company do the same. The cost was much lower with Sierra. Moises was very polite, thorough, and knowledgeable. We will be doing business with them in the future."

  • 5

    "Laura was very courteous and professional on the phone in arranging our service call. Dan, who came out twice, provided additional information (which he had searched beforehand and without my asking!!) and carefully explained my AC unit and the issue ..."

  • 5

    "Brian was professional and helpful as he dealt with warranty work."

  • 5

    "Larry is the guy everyone should see before any other a/c person, he cut through the chase and fixed what four other companies just "put a band aid on". Our system was never better. Thank you for everything Larry!!"

  • 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

    "Service Rep early for appointment, went to work right away did his check points on outside unit. Adam came in check the heating unit, and answered some concerns my wife had about the operation of the unit. Adam answered my questions as well. I'm very ..."

  • 5

    "Al was thorough, meticulous and obviously very experienced. I appreciate the issues that he found and took care of and his attention to detail."

  • 5

    "My husband and I have one word to describe our experience: AMAZING! Prior to Sierra we had worked with 5 other HVAC companies to find a remedy for our AC issues. Once we knew that our AC needed to be completely replaced, we started interviewing ..."

  • 5

    "I had service on my Heating Unit today and it all started with the office staff. Yvonne B. called a few times to let me know when service was being performed. She was so very nice and polite on the phone with me. She was very professional. When the ..."

  • 5

    "Have been with Sierra on contract since having a problem with my system 2 years ago. They check it 2X a year and have had no problems since. There is a certain security knowing it will work when you need it to, and since our AC is the biggest most ..."

  • 5

    "Jade was excellent at setting up a convenient appointment for service!"

  • 5

    "I have been dealing with Sierra for the past 13 years and have never had a bad experience. Today Matt B. performed Winter maintenance on my 2 year old Lennox heating system. Matt is a well educated young man who has the qualified training for my ..."

  • 5

    "Consistent, professional concern, pleasant and informative staff and especially Tyrone while administering a maintenance check of our heating/cooling system. Very nice experience that bolstering our confidence that they will be there when we need the ..."

  • 5

    "Extremely pleased. They were able to work around my schedule. Greg P. was my service tech. He came to my house at 7:00 pm and quickly diagnosed the problem with A/C. His price quote was complete and $900 cheaper than another company gave me. I needed ..."

  • 5

    "Laura the office staff very nice, and Don that came out to the house very professional. It was for a check up to make sure everything was running properly getting ready for winter, I would advise everyone to do your maintenance yearly."

  • 5

    "I called on Monday for annual maintenance on my AC. I was scheduled for the next afternoon from 2:00 to 600 pm. I received a call at 1:30 saying that the tech was on the way and he arrived at 2:00 sharp. So I'm really happy so far. Wayne E., the ..."

  • 5

    "Greg was at my house within the hour of me calling for a tech to come out and troubleshoot my a/c unit. He was polite, professional and diagnosed the issues in less than 30 mins. Highly recommend Sierra LLC Air Conditioning to anyone having problems ..."

  • 5

    "Very professional and polite. Explained what needed to be done and why. Service completed in timely manner. This is the second time Tyrone has been to our home and he is wonderful. Scheduling staff also very accommodating."

  • 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

    "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. They were on time. Fernando and his partner were polite, courteous and very thorough. Had a big job, 7 hours in attic on a hot day. Did a great job. I would highly recommend this company."

  • 5

    "Sierra Air have been servicing our home since 2011 and I only have praises for them. They're very flexible with scheduling services and their technicians are punctual and courteous. Their prices are reasonable and they always do a good job. But most ..."

  • 5

    "The gal on the phone was very pleasant. Todd was excellent. Very honest and personable. Very good experience overall!!"

  • 5

    "This is my third year using Sierra Air to handle all my HVAC maintenance. They have been excellent in the past and I expect nothing but excellence in the future. The office staff, and in particular, Yvonne, have been very professional and helpful. ..."

  • 5

    "We have used Sierra Air Conditioning & Heating for our AC and Heating maintenance needs for 16 years, and always been pleased with their service. This includes spring and fall preventive maintenance checkups, and the installation of entirely new ..."

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