24/7 Emergency Services

Professional vs. DIY AC Maintenance: Which is Better

For any air conditioning system to perform well and last a long time, proper maintenance is necessary. As a homeowner, you essentially have two options for keeping your AC in top shape – enlisting professional HVAC technicians to service the system or taking a do-it-yourself (DIY) approach. Both options have pros and cons relating to factors like cost, effectiveness, technical skill requirements, and time investment.

Deciding whether professional maintenance or DIY upkeep is the better choice depends significantly on your specific needs and capabilities as a homeowner. Your HVAC system is an important investment and should last for many years, so choosing the right maintenance approach is an important decision not to be taken lightly. This article explores the key differences, considerations and recommendations when deciding between utilizing professional versus DIY air conditioner maintenance.

How Long Does an HVAC System Last?

The lifespan of an HVAC (heating, ventilation, and air conditioning) system can vary, depending on several factors. However, on average, you can expect the following:

  • Central air conditioners: 15-20 years
  • Window/wall air conditioners: 10-15 years
  • Gas furnaces: 15-30 years
  • Electric furnaces: 15-25 years
  • Boilers: 15-30 years
  • Air-source heat pumps: 15-20 years
  • Ground-source (geothermal) heat pumps: 20-25 years

Key Factors That Influence an HVAC System’s Lifespan

  1. Maintenance: Regular maintenance, such as annual tune-ups, filter changes, and cleaning, can significantly extend the life of an HVAC system.
  2. Usage: Systems that are used more frequently, such as in hot or cold climates, tend to have a shorter lifespan compared to those in more moderate climates.
  3. Quality of Installation: Proper installation by a licensed and experienced HVAC contractor can ensure the system operates efficiently and lasts longer.
  4. Quality of Equipment: Higher-quality, well-designed HVAC systems tend to have a longer lifespan than lower-quality or budget models.
  5. Environmental Conditions: Factors like humidity, dust, and airborne contaminants can impact the wear and tear on an HVAC system.

To get the most out of your HVAC system and ensure it lasts as long as possible, it’s essential to follow the manufacturer’s recommended maintenance schedule and have any necessary repairs addressed promptly by a professional HVAC technician.

DIY AC Maintenance

Cost Savings
Sometimes, a do-it-yourself or DIY approach to AC maintenance can help you keep the costs low and keep the system running efficiently during the summer months. By handling some of the more basic tasks yourself rather than hiring professional HVAC technicians, you can save a little money each year in service costs.

Simple, easy chores like replacing or cleaning air filters are quite straightforward for homeowners to perform themselves without any special tools or knowledge. Changing a dirty, clogged filter improves the airflow, allowing maximum efficiency.

Hands-on Learning Experience
Another benefit of handling some of these tasks on your own is that you have the opportunity to learn about the components in your system, and how it works. Replacing the filters allows you to see just how much dirt and debris your system has to deal with.

You can then understand why this one task is so important. By learning about your AC system and its upkeep, you empower yourself as a homeowner. Doing some of these tasks on your own can save time as you can do them when it’s convenient for you.

This saves time spent waiting for a service appointment for something you can do in a few minutes. Changing a dirty filter only takes a few minutes, as do some of the other tasks, which is great for homeowners on a tight schedule.

DIY Maintenance Tasks
There are a few other simple tasks that are important and can save you time and money spent on maintenance.


Here are some DIY AC maintenance tasks you can do as a homeowner:

  • Clean around the outdoor unit
  • Inspect the condensate drain line
  • Check the thermostat batteries

However, despite its perks, there are some downsides and risks to consider regarding DIY maintenance. The most pressing concern is that, as a layman homeowner, you likely lack professional training, equipment, and expertise when it comes to HVAC systems. Complex tasks, like handling refrigerant chemicals or performing diagnostic electrical testing, are best left to seasoned technicians rather than tackled through trial and error. You must also keep in mind safety risks when using power tools near gas lines and electrical components. Improper handling during do-it-yourself work could unintentionally cause more issues in the long run. When repairs go beyond your skill level, call in an HVAC professional.

Professional AC Maintenance

Professional air conditioner maintenance offers several compelling advantages over DIY. Certified technicians have to complete intensive training and certification programs that equip them with in-depth knowledge of all AC components and systems. This allows for an expert level of service, more capable of detecting subtle problems before becoming serious repairs.

The inspection process itself is extremely thorough — technicians use specialized diagnostic tools to closely evaluate the refrigerant levels, ductwork, coils, motors, filters, thermostat calibrations and other components. This produces an accurate assessment of current operations and any areas requiring tune-ups. Proper maintenance is also crucial for upholding the manufacturer’s warranty terms — lack of servicing records can void warranties on parts, labor and the overall system.

Considering the complex electrical connections and refrigerant chemicals involved, attempting repairs without proper expertise also poses safety hazards. Lastly, consistent professional maintenance enhances the efficiency, reliability and longevity of AC systems, saving homeowners money over years of operation.

Technicians can catch deterioration early and ensure optimal functioning during summer heat waves. In general, the depth of knowledge, methodical inspection process and focus on preventative care make professional maintenance well worth the reasonable servicing fees for most homeowners.

Balancing Professional and DIY Maintenance

Finding the right balance between utilizing an HVAC professional and taking a do-it-yourself approach for some maintenance tasks is key to keeping your air conditioning system running efficiently. As a homeowner, being able to handle basic upkeep yourself can lead to significant cost savings over time. Simple tasks like replacing filters, clearing debris from outdoor units, cleaning ducts and checking refrigerant levels are reasonable for an informed person to tackle.

However, it’s important to recognize when to call in an expert technician to prevent subsequent issues down the road. Any complex repairs or troubleshooting, such as dealing with refrigerant leaks, compressor problems or major duct damages should be left to licensed HVAC contractors with the proper tools, technical knowledge and hands-on expertise.

Likewise, if you’ve spotted bigger warning signs your system needs attention, like icy registers or cycling issues, it’s best to get a professional assessment rather than attempting makeshift solutions that could lead to further damage. Finding the ideal balance between DIY efforts and professional maintenance provides the best of both worlds when caring for your air conditioning investment.

You reduce expenditures by prudently handling basic upkeep and minor fixes on your own time, while still leveraging the skills of an HVAC technician when required. This balanced tactic will maximize cost savings, system performance and longevity compared to solely relying on one approach.

Our Experts Provide Professional Maintenance Services

Lightfoot Mechanical provides reliable and affordable electrical and plumbing services in Weatherford, TX. Our team of skilled and trustworthy technicians are experts in repairing, maintaining, and installing various HVAC systems as well. We also offer 24/7 live answering services to ensure you receive prompt and reliable assistance whenever you need it. Contact us today to schedule your annual maintenance.

Meet the Author
Gary Lightfoot

With over 30 years of experience in the industry, Gary Lightfoot took over his family business and continues to run it with the values and standards set 35 years ago

Google customer reviews 4.9 out of 5 stars

Trusted By Your Neighbors

2,800+ Google Reviews

Read Reviews

Emergencies Can’t Wait

Day or night, we’re open and ready to deal with any emergencies. You can count on us!
(817) 661-0894 Call Now