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(702) 830-7553
24-Hour Service

Thermostat User Guides

Bryant Legacy Series Non-Programmable
Honeywell FocusPro 5000
Honeywell Lyric Round Wi-Fi
Honeywell Lyric T6 Wi-Fi
Honeywell Pro 4000
Honeywell True IAQ
Honeywell Vision PRO TH800 Series
Honeywell Vision PRO Wi-Fi Model TH8320WF
Lennox iComfort Wi-Fi
Trane XL824 Smart Control
Trane Nexia 524

Need assistance setting up or installing a thermostat? Contact us online or call (702) 830-7553 today to schedule a service.

Video Tutorials

  • Honeywell Pro 4000 Series

  • Trane XL824

  • Trane 524 Touchscreen

  • Bryant Legacy

  • How to Set Up a Honeywell Wi-Fi Thermostat

  • How to Set Up a Sensi Wi-Fi Thermostat

  • How to Set Up Your Honeywell Lyric T6 Pro Wi-Fi Thermostat

  • How to Set Up Your Honeywell Lyric Round Wi-Fi Thermostat

Superior Service That Soars Above The Rest

  • 5

    "Sierra Air has been doing our annual Service calls for 3 years and is an outstanding company. Their Service Technicians are very knowledgeable, Professional and polite during their extensive review. Our last Technician was Matt B., and he was great. ..."

  • 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 have had Greg P. out initially to repair our AC unit and since to conduct a maintenance check. He is diligent, hard working and does a complete job. I would recommend Greg to anyone. He has found a number of issues with our units which were real ..."

  • 5

    "Sierra continues to excel in customer service. Tyrone explained the minor issue that could cause my ac some issues and it was a simple and easy solution to prevent bigger problems."

  • 5

    "Sierra LLC is a great company. They called me and reminded me that I was due for service on my AC unit that they installed earlier this year. They take great care of their customers."

  • 5

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

  • 5

    "Today, Thur, Mar 23, 2017, Jared provided us an inspection of our air conditioning. The best i can say about him may not be sufficient. He was professional, courteous, and knowledgeable. He even took his booties off and on after i told him he didn't ..."

  • 5

    "I am so happy I found Sierra's booth at the GreenFest event and I'm even happier that I was assigned Richard A. for my service call. Richard was AWESOME. He ensured that my system tune up was complete and that I understood what was going well and ..."

  • 5

    "Probably one of the best companies I've had the pleasure with dealing. For me, the customer service from their employees is what won me over. Jon J was nothing but a true professional. He took the time to explain the process along with other helpful ..."

  • 5

    "We had superior service today from Matt B., Ryan H. and Robin H. Matt did our recent seasonal checkup a couple of days ago and was very thorough and professional. We discussed our overall HVAC performance and he put us in touch with Ryan from the ..."

  • 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

    "The service was friendly, courteous and professional. Jared Geschke diagnosed the AC problem quickly and informed me that two small motors had failed in the zoned duct work of my HVAC system. They were covered under warranty and would be replaced ..."

  • 5

    "Derik K. was extremely patient and customer friendly. He explained what needed to be done in layman term and gave me options on my repair on my current air conditioning unit. I appreciate that. Kudos to him."

  • 5

    "Sierra A/C is the only A/C company that I trust to do any of my repairs and service on my air conditioner/heating units. They are fast, reliable and truthful. Richard did a fantastic job! Thank you."

  • 5

    "Matt as always did a complete and thorough job with my systems both in the house and casita. Told me about issues with my systems and what I can expect in the following months from them. Am well aware that I may have to replace but my decision is to ..."

  • 5

    "Awesome service!!! Greg P. was our technician and he was fantastic. He was very knowledgeable and took his time to explain everything to us. He even called his supervisor to help us out with a break on our service and that is what I call going above ..."

  • 5

    "Thanks for the customer oriented service. Having Drew here in less than two hours and resolving my a-c problem was certainly extraordinary customer service."

  • 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

    "Just had some warranty repair work done by Carlos. He was professional, patient, fixed our problem and did a fantastic job. Thanks Carlos, for all of your help!!!!!!"

  • 5

    "Tyrone is the guy you would want to service your air and heating system----a total professional ----We will be asking for him as long as we live here in Nevada."

  • 5

    "A very pleasant and smooth experience. Wayne is an very experienced technician. He is very professional. I really appreciated that he took time to explain every thing in details about my AC to me."

  • 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

    "Dan came over for our early winter maintenance. I have been so pleased with Sierra because they are always professional, courteous and clean. I did buy 4 Lennox ACH systems and 2 Pure Systems 18 months ago and we are more than pleased. I would never ..."

  • 5

    "Had a great experience with Sierra Air Conditioning & Heating. Starting with Wayne(technician) who made the initial call we requested. He was on time and thorough in explaining what needed to be done. Was contacted shortly thereafter by Patricia in ..."

  • 5

    "Great service, Adam was very knowledgeable and helpful. Explained functions, helped understand how to get the most from our system and found minor issues that would have been bigger issues in the summertime. Thanks!"

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