Skip to main content


Our comprehensive HVAC FAQs section is designed to address your most common queries about heating, cooling, and indoor air quality systems. At Tidwell & Sons, our goal is to provide you with clear and informative answers, helping you make informed decisions about your HVAC needs.

Explore our HVAC FAQs to find solutions that enhance your indoor comfort and ensure the efficiency of your HVAC systems.

How often should I have my furnace serviced?

It’s recommended to have your furnace serviced at least once a year, ideally before the heating season begins.

Regular annual maintenance helps ensure that your furnace operates efficiently, minimizes the risk of breakdowns, and extends its lifespan.

What are the signs that my furnace needs repair?

Look out for signs such as inconsistent heating, strange noises, frequent cycling, or an increase in energy bills, as these could indicate that your furnace needs repair.

If you notice any unusual odors or a decrease in indoor air quality, it’s advisable to contact Tidwell & Sons HVAC for professional assessment and prompt repairs.

What's the average lifespan of a furnace?

The average lifespan of a furnace typically ranges from 15 to 20 years. However, proper maintenance and usage can significantly impact its longevity.

Regular servicing, filter replacement, and addressing issues promptly can help extend its lifespan and ensure optimal performance throughout its years of service.

What type of heating system is best for my home?

Determining the best heating system for your home depends on factors like your location, home size, budget, and personal preferences. Common options include furnaces, heat pumps, and ductless systems.

Consulting with our HVAC experts at Tidwell & Sons can help you make an informed choice tailored to your specific needs.

How often should I clean or replace my air conditioner's filter?

To maintain optimal cooling efficiency and indoor air quality, it’s recommended to clean or replace your air conditioner’s filter every one to three months.

The frequency can vary based on factors like usage, the presence of pets, and indoor air quality. Regular filter maintenance ensures proper airflow and helps prevent strain on the system, leading to improved performance and energy efficiency.

How can I optimize the cooling efficiency of my AC unit?

To optimize the cooling efficiency of your AC unit, start by regularly cleaning or replacing the air filters. Ensure that the vents and registers are unobstructed and keep blinds or curtains closed during the hottest parts of the day to prevent excessive heat from entering your space.

Additionally, consider scheduling professional maintenance annually to keep the system running smoothly and at its peak efficiency.

Should I consider a ductless mini-split system for cooling?

A ductless mini-split system is worth considering for cooling your space. These systems offer flexible temperature control for individual rooms or zones, ensuring personalized comfort and energy savings.

Plus, since they don’t require ductwork, they’re ideal for older homes, room additions, or spaces where traditional duct systems are impractical.

Why is duct cleaning important, and how often should it be done?

Duct cleaning is crucial for maintaining indoor air quality and overall HVAC system efficiency. Over time, dust, allergens, and contaminants can accumulate in the ductwork, affecting the air you breathe.

Regular duct cleaning, ideally every 3 to 5 years, ensures cleaner air, better airflow, and can even reduce energy consumption by allowing your HVAC system to work more efficiently.

What are the signs of ductwork issues, like leaks or blockages?

Signs of ductwork issues, such as leaks or blockages, can manifest in uneven air flow throughout your home, rooms that are difficult to heat or cool, unusually high energy bills, and excess dust or debris around your vents.

If you notice these symptoms, it’s advisable to have your ducts inspected by professionals to identify and address any underlying issues affecting your HVAC system’s efficiency and indoor air quality.

Can poorly maintained ducts affect the efficiency of my HVAC system?

Absolutely, poorly maintained ducts can significantly impact the efficiency of your HVAC system. Leaks, blockages, and accumulated debris can cause your system to work harder, leading to increased energy consumption and higher utility bills.

Regular duct maintenance ensures optimal airflow, even temperature distribution, and helps your HVAC system operate at its peak efficiency, ultimately saving you both energy and money.

What are the benefits of using air purifiers and filtration systems?

Air purifiers and filtration systems offer numerous benefits for your indoor environment. These systems effectively remove airborne pollutants, allergens, and particles, improving overall indoor air quality.

By reducing contaminants such as dust, pollen, pet dander, and even bacteria, air purifiers and filtration systems create a healthier living space, particularly beneficial for those with allergies or respiratory issues.

How often should I have my indoor air quality tested?

Regular indoor air quality testing is recommended every 1 to 2 years, or whenever there’s a significant change in your living environment, like renovations or mold issues.

This practice helps identify potential pollutants and allergens, ensuring your indoor environment remains healthy and comfortable for you and your family.

How does a whole-home generator work during power outages?

A whole-home generator functions as a reliable backup power source during electrical outages. When the main power supply is disrupted, the generator automatically detects the outage and swiftly starts up.

It generates electricity through an internal combustion engine, which then gets converted into the electricity your home requires, allowing essential appliances and systems to operate seamlessly until the main power is restored.

How often should I maintain my whole-home generator?

To ensure your whole-home generator operates reliably, regular maintenance is crucial. Generally, it’s recommended to schedule maintenance annually or at least twice a year, particularly before the seasons when power outages are more likely.

This proactive approach helps identify and address potential issues, ensuring your generator is ready to provide uninterrupted power when you need it most.

Can a whole-home generator integrate with my existing HVAC system?

Absolutely, a whole-home generator can seamlessly integrate with your existing HVAC system. This integration ensures that not only your essential appliances and lighting remain operational during power outages, but also your heating or cooling system.

This means that your indoor comfort remains intact, making the whole-home generator an ideal solution for maintaining a stable and comfortable living environment even during unforeseen electricity disruptions.

Trust Tidwell & Sons HVAC For Expert Solutions To All Your HVAC FAQs!

Trust Tidwell & Sons HVAC as your dependable source for expert solutions to all your heating, cooling, duct and vent, indoor air quality, and whole-home generator questions in Dickson County.
With our extensive knowledge and dedication to customer satisfaction, we’re here to ensure you have the information you need to make informed decisions about your HVAC systems. Contact us today and experience the comfort and efficiency that comes with our reliable services. Your comfort is our priority, and we’re here to assist you every step of the way.
 (615) 802-5568