Repairs and Services

HVAC Repairs & Services

in Tucson, AZ

hvac maintenance tucson az

Get Your AC Back Up and Running

Reliable HVAC Repairs and Services

When your air conditioning unit struggles to keep your home cool or your energy bills start to climb, it’s time to call Guardian Air Heating and Cooling. We specialize in prompt, professional heating and AC repair services for homeowners in Tucson, AZ, and the surrounding areas. Whether you own a central air system, a ductless mini-split, or another type of HVAC unit, you can count on us to diagnose and fix the problem quickly and efficiently.

hvac maintenance tucson az

Protect Your Comfort with Proactive HVAC Maintenance

When to Call for HVAC Repairs

  • Weak or Insufficient Airflow

    We evaluate your home’s needs through manual load calculations to determine the best HVAC unit for optimal performance and efficiency.


  • Frequent Cycling

    Constantly turning on and off can strain your system and drive up energy costs.

  • High Indoor Humidity

    our AC should regulate humidity levels; if it doesn’t, there could be an underlying problem.

  • Pooling Water or Refrigerant Leaks

    Any sign of water or refrigerant around your unit needs immediate attention.

  • Foul-Smelling Odors

    Musty or burning smells might indicate mold or electrical problems in your system.

  • Strange Noises

    Banging, clicking, or whirring sounds from your vents or unit are often signs of failing components.

  • Rising Utility Costs

    A struggling system may consume more energy to maintain temperature, increasing your bills.

hvac maintenance tucson az

Fast, Reliable HVAC Repairs Whenever You Need Them

24/7 Emergency HVAC Repairs You Can Count On


hvac maintenance tucson az

At Guardian Air Heating and Cooling, we understand that HVAC issues can happen at any time, often when you least expect them. That’s why we offer 24/7 emergency AC repairs to ensure you’re never left without comfort, whether it’s a scorching summer afternoon or a cold winter night. Our team is always ready to respond quickly, diagnosing and repairing your system to restore your indoor comfort as soon as possible. We prioritize fast response times, so you won’t have to wait long for service.



We believe in transparency, which is why you’ll receive an upfront, clear estimate before any work begins. Our skilled technicians are highly trained and experienced, equipped to handle repairs for any HVAC system, regardless of make or model. Whether you have a central air system, ductless mini-split, or any other unit, you can rely on our expertise.

With all of our work backed by a one-year labor warranty, you can rest assured that your HVAC system is in expert hands. No matter when you need us, our 24/7 availability ensures you’ll always have access to the reliable service you deserve. At Guardian Air Heating and Cooling, we are committed to delivering prompt, professional, and reliable HVAC repairs to keep your home comfortable year-round.


At Guardian Air Heating and Cooling, customer satisfaction is our top priority. We not only focus on providing fast and reliable repairs but also on building lasting relationships with our clients. Our technicians take the time to thoroughly explain the issue with your HVAC system, so you can make an informed decision about the repairs. We use only high-quality replacement parts and proven techniques to ensure that your HVAC system performs at its best for years to come. Whether it’s a minor fix or a major repair, you can trust us to deliver results that meet your expectations and keep your home comfortable.

emergency hvac repair tucson

Schedule Your HVAC Repair Today


Don’t let a malfunctioning HVAC system interfere with your comfort. Whether you’re dealing with a minor issue or need a major repair, Guardian Air Heating and Cooling is here to help restore your system to optimal performance. Our team of experienced technicians is dedicated to providing prompt, reliable, and efficient HVAC repairs that you can count on, ensuring your home stays comfortable year-round.


We offer flexible scheduling options to accommodate your needs, and with our 24/7 emergency repair services, you can trust that we’re always available when you need us the most. By choosing Guardian Air Heating and Cooling, you’re choosing a team that prioritizes your satisfaction and the long-term efficiency of your HVAC system. Call us today at (520) 650-5994 to schedule your heating or AC repair services. Let our trusted HVAC experts in Tucson, AZ, provide you with the fast, effective service you deserve, so you can enjoy reliable comfort throughout the year.

Our Services

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