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Master Plumbing, Heating & Cooling Master Plumbing, Heating & Cooling
$50 OFF Water Heater Repair

Exclusions may apply.

Valid Dec 1, 2025 - Nov 30, 2026

Hiawatha AC Services

Our experienced HVAC technicians can fix or install any air conditioning unit. We serve all of Linn, Johnson, Jones, Cedar & Benton Counties. Call us today!

At Master Plumbing, Heating & Cooling, we use the latest technology to provide high-quality air conditioning services in Hiawatha, IA. While we are a certified Lennox Dealer, we can repair or install any air conditioning brand. We also provide the following services with straightforward pricing and financing options:

  • Ductless and central air conditioner repair
  • Air conditioning installation and maintenance
  • Refrigerant leak detection and repair
  • Freon recharges
  • Electrostatic indoor air filtration
  • Humidifiers and dehumidifiers
  • Air duct installation and repair
  • Heating and cooling safety inspections

To learn more about how we guarantee your satisfaction, read our customer reviews.

Ductless Mini-Split Systems

Ductless mini-split air conditioning systems offer a flexible and energy-efficient cooling solution, especially for homes without existing ductwork. Our experts can handle all aspects of ductless mini-split installation, including indoor and outdoor unit placement, refrigerant line runs, and electrical integration.

Ductless systems provide zoned climate control, allowing you to cool specific rooms or areas as needed. This can lead to significant energy savings compared to traditional central air conditioning.

Indoor Air Quality Solutions

Maintain a healthy, comfortable indoor environment with our air quality enhancement services. We offer a range of products, including air filtration systems, humidifiers, and dehumidifiers, to address common indoor air quality issues.

Our technicians will assess your home’s unique needs and recommend the best air quality solutions to improve ventilation, reduce airborne pollutants, and optimize humidity levels for your family’s well-being.

Schedule same-day service for your air conditioner in your Hiawatha, IA today. Call Master Plumbing, Heating, & Cooling at (319) 214-5064.

  • Respectful & Tidy

    Our pros treat your home like their own, wearing shoe covers and leaving every work area spotless.

  • Award-Winning Service

    Recognized 5 times by Angie's List for outstanding service, we go above and beyond to deliver exceptional results every time.

  • Transparent, Upfront Pricing

    No surprises, no hourly tricks. You’ll know the cost before we start, so you can make confident decisions.

  • Fast, Same-Day Solutions

    Plumbing and HVAC issues can’t wait. We get you back on track quickly with prompt, same-day service.

Decades of Service, Thousands of Smiles

Hear from the homeowners and businesses who rely on us for expert solutions.
    We feel confident with this team to help us!
    “We had a problem with our HVAC system leaking from the condensate and the blower and Matthew E was the best person for the job! He was professional, quick, and helped us understand what went wrong and got the items replaced in no time! We signed up for the Green Club for regular maintnence.”
    Kendal A.
    Bill was outstanding, friendly, and very accommodating!
    “Bill came to our home to do a full plumbing inspection. Bill was very thorough and showed attention to detail. We noted to technician that we had a concern with our shower drain. Bill was right on it! He recommended we consider using a snake on the drain. Bill adjust the price based on the fact that it was an easy job to complete. He also tested our water and reviewed the report with us. Bill was outstanding, friendly, and very accommodating!”
    Tana L.
    I would shout from the mountaintop my 100% recommendation for Master Plumbing!
    “John was amazing!! He was courteous, kind, prompt, respectful and very knowledgeable! If I could give him 10 stars or more, I definitely would!! He took care of our "emergency" , took time to explain everything to us and even confirmed for us and appliance maintenance provider to contact. I would shout from the mountaintop my 100% recommendation for Master Plumbing and definitely for John!!”
    Sue P.
    Thank you!
    “Very professional service. Both guys were very understanding and answered all our questions. I highly recommend. Appreciate the great communication too when they let us know they were coming over and when they finished the job. Also thought it was kind they offered to sweep up the area. Thank you!”
    Jayna A.
    Would definitely recommend him and Master Plumbing.
    “John came out to do my annual plumbing inspection; caught and fixed a few things (had pictures of discrepancies), cleaned out my tankless hot water heater at no charge.”
    Eric F.
    I would definitely call them again!
    “Had John & Henry from Master Plumbing & Heating here, say before Thanksgiving to replace my water heater. They did a fantastic job and had it installed and running in 4-5 hrs. Both were very professional and cleaned up after themselves, as well as took the bad heater with them.”
    Karen R.
    I would 100% recommend Master Plumbing Heating and Cooling
    “I called in the AM regarding our central air not working and spoke with Taylor who was so friendly and let me know they had an appointment in the afternoon. Maddie then kept in contact with me as to when Madison & Jordan would arrive. Madison and Jordan were very friendly and got to work right away and had the unit working quickly. Everything went smoothly and I cant say enough about every person I was in contact with. Such a great experience! Thank you all so much!”
    Denise E.
    Appreciate the professional service!
    “John from Master Plumbing replaced my water heater after my old one failed. Despite it being after 4 pm, he was able to quickly pick up a replacement unit and install it the same evening, staying late to complete the task. He also went above and beyond to clean up the area around the old water heater, as well as my driveway after some of the water from the old water heater leaked out.”
    Ricky K.
    Love Master Plumbing and its employees. Sign up for Green Club!
    “Christian was very quick to diagnose the issue, very professional and knowledgeable about what was causing our heating issue. I appreciated the quick and efficient service at a reasonable price! Love Master Plumbing and its employees. Sign up for Green Club!”
    Mercedes T.