Easy DIY Maintenance tips for HVAC systems

June 24, 2025

Easy DIY Maintenance tips for HVAC systems

As a homeowner, taking care of your HVAC system is essential to ensure its longevity and efficiency. While it's always a good idea to schedule regular maintenance with a professional HVAC technician, there are some easy DIY maintenance tasks you can do on your own to keep your system running smoothly. Here are some tips for easy DIY HVAC maintenance: 


Change your air filter regularly:

One of the easiest things you can do to maintain your HVAC system is to change your air filter regularly. A dirty air filter can cause your system to work harder, reducing its efficiency and potentially causing damage. Depending on the type of filter you use and the level of dust and debris in your home, you may need to change your filter every one to three months. 


Clean your air ducts:

Over time, dirt, dust, and other debris can build up in your air ducts, reducing your system's efficiency and potentially impacting your indoor air quality. While it's best to have your ducts professionally cleaned, you can also do some DIY cleaning to help maintain them. Use a vacuum cleaner with a long hose attachment to remove as much debris as possible from your vents and air ducts. 


Check your outdoor unit:

Your outdoor unit can become clogged with leaves, grass, and other debris, reducing its efficiency and potentially causing damage. Take a few minutes each month to check your outdoor unit and remove any debris that has accumulated around it. 


Keep your coils clean:

Your HVAC system's evaporator and condenser coils can become dirty over time, reducing your system's efficiency and potentially causing damage. Use a soft brush or cloth to gently clean the coils, removing any dirt, dust, or debris that has accumulated. 


Check your thermostat:

Your thermostat is an essential part of your HVAC system, controlling your home's temperature and helping to maintain your system's efficiency. Check your thermostat regularly to ensure it's functioning properly, and replace the batteries as needed. 


Keep your vents clear:

Make sure your vents are not blocked by furniture, rugs, or other items, as this can reduce your system's efficiency and cause damage over time. 


By following these easy DIY HVAC maintenance tips, you can help keep your system running smoothly and efficiently. However, it's always a good idea to schedule regular maintenance with a professional HVAC technician to ensure your system is functioning properly and to address any issues that may arise. At Fry Heating & Cooling, we offer comprehensive HVAC maintenance services to keep your system running at its best. Contact us today to schedule your appointment! 


Row of rooftop HVAC units and ducts on a commercial building, viewed from above.
June 29, 2026
Learn why indoor air quality matters in commercial buildings and how air ventilation, air filtration, and air purification can create a healthier workspace.
Row of large rooftop HVAC units and ducts on a city building under a partly cloudy sky
June 24, 2026
Learn the 5 signs your commercial HVAC system may be undersized, from hot and cold spots to rising energy bills, and when to schedule a professional assessment.
Hand holding HVAC manifold gauges in front of rooftop air conditioning units
June 19, 2026
Learn the hidden costs of delayed commercial HVAC maintenance, from higher energy bills and costly breakdowns to reduced comfort, productivity and lifespan.
Red pliers on a dusty floor beside a light blue hot water tank with a valve
June 15, 2026
Watch for these 7 warning signs your water heater may be failing, from inconsistent hot water to leaks, rising bills and strange tank noises in Toledo, Ohio.
Technician in hard hat inspecting rooftop commercial HVAC units with gauges and hoses
May 29, 2026
Learn the most common HVAC problems in commercial buildings from poor airflow to electrical failures and how preventative maintenance can help avoid costly repairs.
Brass valve with red handle and copper outlet on a gray hot water tank in Toledo, Ohio
May 21, 2026
Improve building efficiency with sustainable commercial plumbing upgrades, from low-flow fixtures to connected smart meters and energy-efficient water heaters.
Empty commercial fridge with stainless steel counters and shelves, white walls, and gray floor
May 18, 2026
Discover how smart monitoring is transforming commercial refrigeration with real-time alerts, energy savings, predictive maintenance, and easier compliance.
Under-sink plumbing with pipes, hoses, and red-handled valves in a kitchen cabinet
May 12, 2026
Learn the top 4 commercial plumbing problems, from clogged drains to burst pipes, and how preventive maintenance can help protect your business here in Toledo, OH.
Two rows of industrial rooftop HVAC cooling fans with central metallic piping on a flat roof.
April 29, 2026
Let the commercial HVAC experts at Fry show you what the best commercial air conditioning brands are that we have installed or worked on here in Toledo, Ohio
Copper pipes with valves and black foam insulation are mounted neatly against a grey concrete wall.
April 23, 2026
Get the lowdown on how a commercial repiping service works and how the commercial plumbers at Fry can help make it pain-free to repipe your building in Toledo, OH.
Show More

We're Listening | Get a free quote today!

Fry - Blog