Our HVAC technicians at Temco AC Repair & Replacement are committed to preserving the comfort and safety of your home and giving you the resources and guidance you need to prevent problems from recurring (or even stop them from happening in the first place). Some of the most common reasons for AC repair in Tucson, AZ are dirty or clogged filters, clogged drain lines, iced over refrigerant lines, strange noises and odors, hot air or weak airflow, and ACs that run constantly or won’t turn on at all. Keep reading to learn how to recognize signs of a problem, and how we can fix them before they get worse.
Recognizing Signs of AC Problems
Recognizing the early warning signs of an AC issue can help you solve it quickly, before it gets bigger and more expensive. Some signs you may need professional AC repair or maintenance include:
- Weak or no airflow from vents
- Warm air coming from one or more vents
- Hot or cold spots in certain parts of the home
- Strange new noises from your HVAC unit
- Foul odors like must, mold, rot, or burning
- Leaks or fluid around the unit
- Condensation on interior windows or surfaces
- Higher than usual energy bills with no increase in usage
- Short-cycling
- Inconsistencies between what the thermostat reads and the actual temperature in your home
When to Try DIY AC Repair vs When to Call a Professional
We’re happy to offer tips for HVAC troubleshooting in AZ that will help you diagnose the problem yourself. However, if you realize it’s too big or complex a job for you to handle on your own, it’s always best to call a professional. Our techs will typically be able to get everything back up and running fast, without risk of injury, property damage, or warranty violations. Some DIY AC maintenance you can do on your own includes:
- Changing filters
- Cleaning condenser and evaporator coils
- Removing debris from exterior units
- Cleaning or clearing vents and registers
- Inspecting units and equipment for signs of leaks, corrosion, and wear and tear
- Scheduling seasonal maintenance according to manufacturer guidelines or our recommendations
Some of the AC repair tasks you should leave to the professionals include:
- Checking or modifying refrigerant levels
- Diagnosing and making electrical repairs
- Deep cleaning coils
- Clearing drain lines
- Replacing parts (or replacing the AC itself)
- Diagnosing and troubleshooting complex problems
- Performing annual tune-ups
Long-Term Solutions to Protect Your AC All Summer
At Temco AC Repair & Replacement, we offer long-term solutions that will protect your AC all summer long. Our services are designed to optimize energy-efficiency and performance, reduce the risk of breakdowns, maintain indoor air quality and comfort, and extend the lifespan of your equipment. We recommend that you:
- Change the air filters monthly
- Regularly inspect air vents for dirt and debris
- Keep the exterior unit protected from animals and landscaping debris
- Use a smart thermostat
- Seal cracks and gaps at doors and windows with weatherstripping or caulk
- Use fans to circulate air more efficiently
- Install air filtration systems or dehumidifiers
- Schedule professional tune-ups each year, as well as seasonal preventive maintenance in spring and fall
If you don’t know why your AC’s not cooling in Tucson, AZ, call us now or reach out to us online to schedule an AC inspection, tune-up, or repair.



