FAQs

B&M Mechanical

Have an HVAC-related question? We have the answer! Check out our FAQs below to learn more about our company and services.

  • What unit size do I need?

    There are many factors that go into the size you need for your HVAC unit. Please contact our HVAC company in Cullman, AL today for a load calculation!

  • Why is my unit freezing up?

    Your HVAC unit might be freezing up for several reasons. Here are some common causes:


    • Blocked airflow
    • Low refrigerant levels
    • Dirty evaporator coil
    • Thermostat settings
    • Mechanical issues

    If you notice any of these signs, then make sure you get in touch with our HVAC company in Cullman, AL.

  • How often should I service my HVAC unit?

    Based on our experience, you should service your HAVC unit once a year, usually during the spring. Get in touch with us for AC repair in Cullman, AL.

  • What should I set my thermostat to?

    Everybody's comfort level is different, so it's based on your comfort level. Hire our team when you need to maintain your home's cooling and heating in Cullman, AL.

  • What is the best way to extend the life of my HVAC unit?

    The best way to extend the life of your HVAC unit is to schedule regular check-ups to help ward off any trouble areas. Make sure you reach out to our HVAC company in Cullman, AL today!

  • How often do I need to change my filters?

    It's best to change your filter at least once a month, based on our experience. Also, A good rule of thumb is to change your filters when you get your power bill. Give us a call at B&M Mechanical if you need help with your cooling and heating in Cullman, AL.

  • Why is my AC leaking water?

    This may be due to a clogged condensate drain line, a dirty air filter, low refrigerant levels, a damaged or rusted drain pan, or a disconnected or broken drain line.

  • Do you offer maintenance plans?

    Yes, we do! Call us today to schedule your plan.

  • Are smart thermostats worth it?

    Yes, smart thermostats are worth it for most homeowners and businesses because they offer energy savings, convenience, and improved HVAC system efficiency. Here’s why:


    1. Energy Savings

    Smart thermostats learn your schedule and adjust temperatures automatically, reducing energy waste.

    Many models provide energy reports to help you track usage and savings.

    The U.S. Department of Energy estimates that proper thermostat settings can save up to 10% per year on heating and cooling costs.

    2. Remote Control & Convenience

    You can control your thermostat from anywhere using a smartphone app.

    Adjust the temperature before you get home to maximize comfort while saving energy when you're away.

    Many models integrate with voice assistants like Alexa, Google Assistant, or Apple HomeKit.

    3. HVAC System Efficiency & Longevity

    Smart thermostats prevent excessive wear on your HVAC system by reducing unnecessary runtime.

    Some models send maintenance reminders, such as when to change air filters or schedule service.

    4. Customizable Features

    Geofencing detects when you leave or arrive home and adjusts settings automatically.

    Some models track weather conditions and adjust indoor temperatures accordingly.

    5. Potential Rebates & Incentives

    Many utility companies offer rebates for upgrading to a smart thermostat, reducing the upfront cost.

    Check local energy programs to see if you qualify for savings.

  • Why is my AC not cooling my house properly?

    There are several reasons your AC might not be working properly, including a dirty air filter, thermostat issues, blocked or dirty condenser coils, low refrigerant levels, a frozen evaporator coil, leaky or poorly insulated ductwork, the wrong AC size for your home, and extreme outdoor temperatures. Call today so we can help uncover the problem.

  • How can I schedule an appointment?

    You can schedule an appointment by calling us, filling out our website's contact form, or emailing us. Our friendly team is ready to help!