Cookies on BBB.org

We use cookies to give users the best content and online experience. By clicking “Accept All Cookies”, you agree to allow us to use all cookies. Visit our Privacy Policy to learn more.

Cookie Preferences

Many websites use cookies or similar tools to store information on your browser or device. We use cookies on BBB websites to remember your preferences, improve website performance and enhance user experience, and to recommend content we believe will be most relevant to you. Most cookies collect anonymous information such as how users arrive at and use the website. Some cookies are necessary to allow the website to function properly, but you may choose to not allow other types of cookies below.

Necessary Cookies

What are necessary cookies?
These cookies are necessary for the site to function and cannot be switched off in our systems. They are usually only set in response to actions made by you that amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not work. These cookies do not store any personally identifiable information.

Necessary cookies must always be enabled.

Functional Cookies

What are functional cookies?
These cookies enable the site to provide enhanced functionality and personalization. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

Performance Cookies

What are performance cookies?
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Marketing Cookies

What are marketing cookies?
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant content on other sites. They do not store personal information directly, but are based on uniquely identifying your browser or device. If you do not allow these cookies, you will experience less targeted advertising.

Find a Location

Advanced Mechanical Systems, Inc. has locations, listed below.

*This company may be headquartered in or have additional locations in another country. Please click on the country abbreviation in the search box below to change to a different country location.

    Country
    Please enter a valid location.

    ComplaintsforAdvanced Mechanical Systems, Inc.

    Heating and Air Conditioning
    View Business profile
    View Business profile

    Need to file a complaint?

    BBB is here to help. We'll guide you through the process.

    File a Complaint

    Complaint Details

    Note that complaint text that is displayed might not represent all complaints filed with BBB. See details.

    Filter by

    Showing all complaints

    Filter by

    Complaint Status
    Complaint Type
    • Complaint Type:
      Service or Repair Issues
      Status:
      Unanswered
      12/7/2022 - $719.40 We purchased a home in *******, ** in September 2020. Since purchase we had issues with our minisplit heating/cooling system. Advanced Mechanical Systems (AMS) installed the system. We spent 2021 attempting to work with the home builder and AMS to fix heating/cooling issues without success. Our heating and cooling system did not keep the house warm during the winter or cool during the summer. We attempted to find another HVAC company to work with during the end of 2021 and into 2022, however, the multiple places we contacted did not fix ****** minisplit systems. We reached back out to AMS and they visited multiple times during 2022. We were not charged for a few visits, then in Fall 2022 we were charged for the technicians time. Initially, we were informed when scheduling that we were under warranty. Later, AMS refused to attend the home until we paid despite the system still not functioning after prior work. After we contested the bill we were informed *** was contracted only with the home's builder, EJ Builder's, and we were not under warranty. One technician during a visit stated that the system was initially installed incorrectly with the refrigerant tubes installed wrong which led to improper cycling of the coolant. Ultimately, our understanding is that this resulted in failure one minisplit motor and control board (each had to be replaced). Later, *** informed us the coolant level was incorrect; coolant they had installed during a previous fix; they then partially drained to allow the system to function properly. AMS replaced the motor under warranty but stated the technician's time was no longer covered and out of warranty. The company changed what they told us regarding warranty coverage. We received a letter in which they did not document all relevant information. They report needing biannual maintenance service, however, in speaking with another HVAC company they recommend annual maintenance.

    Some consumers may elect to not publish the details of their complaints, some complaints may not meet BBB's standards for publication, or BBB may display a portion of complaints when a high volume is received for a particular business.

    BBB Business Profiles may not be reproduced for sales or promotional purposes.

    BBB Business Profiles are provided solely to assist you in exercising your own best judgment. BBB asks third parties who publish complaints, reviews and/or responses on this website to affirm that the information provided is accurate. However, BBB does not verify the accuracy of information provided by third parties, and does not guarantee the accuracy of any information in Business Profiles.

    When considering complaint information, please take into account the company's size and volume of transactions, and understand that the nature of complaints and a firm's responses to them are often more important than the number of complaints.

    BBB Business Profiles generally cover a three-year reporting period. BBB Business Profiles are subject to change at any time. If you choose to do business with this business, please let the business know that you contacted BBB for a BBB Business Profile.

    As a matter of policy, BBB does not endorse any product, service or business. Businesses are under no obligation to seek BBB accreditation, and some businesses are not accredited because they have not sought BBB accreditation.