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Marathon Heating and Cooling LLC

HVAC contractor in Tucson, AZ.

In Marathon Heating and Cooling LLC's own words

Marathon Heating and Cooling LLC offers reliable HVAC services in Tucson, Arizona. Specializing in heater and AC installation, repair, maintenance, and air quality solutions, we serve both residential and commercial clients. With 4 years of experience, our dedicated team ensures top-notch service to keep your indoor environment comfortable and healthy. Contact us for a free quote and explore our financing options.

Trade
HVAC contractor
Business address
3544 N Romero Rd #100, Tucson, AZ 85705
Telephone
(520) 833-1838
Website
marathontucson.com
Hours
  • MondayOpen 24 Hours
  • TuesdayOpen 24 Hours
  • WednesdayOpen 24 Hours
  • ThursdayOpen 24 Hours
  • FridayOpen 24 Hours
  • SaturdayOpen 24 Hours
  • SundayOpen 24 Hours

From the business's Google listing, checked Oct 2026

Register
AZ register

Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.

Google Reviews

4.9 (153)

  • Thanks Troy . I was a General Contractor in the Tucson area for 45 Years . My p0licy was to do a good job for a fair price, and stand behind my work . It is very nice to see a company that is doing the same thing. We will recommend you to anyone needing HVAC work done . Thanks again , and God Bless.

    Sherry P.

  • Very professional

    Muzaffar K.

  • Technician came on time, performed the services that he had to perform. I think for the amount of time he spent repairing my system. His price was very fair. I would certainly use this company again.

    Lewis B.

  • Marathon came out and quickly diagnosed the problems and got our AC systems up and running in a jiffy. Greatly appreciate their service and quick response to getting us going again in this severely hot Tucson weather!

    Tom M.

  • Troy and his crew have been nothing short of amazing! They are extremely skilled in their craft and Troy has to be the most honorable HVAC contractor that I’ve ever come across. He has the BEST prices. Always does what he says and goes the extra miles to make sure that his customers are happy and well taken care of

    Wanda S.

  • Troy is knowledgeable and communicates well. System checked for leaks- none found. No charge. Thank you for your service.

    Donna G.

  • Technicians were prompt and knowledgeable. They explained things and took care of our AC unit to ensure proper cooling. We trust Marathon and would highly recommend.

    Maria G.

  • We were able to book an appointment online very easily to have our AC serviced. Brian was very knowledgeable and honest about what we truly needed. Will definitely use them in the future!

    Lauren G.

  • I will use Marathon Heating and Cooling for all my AC needs. Great company.

    Kara K.

  • Excellent service from start to finish! The technician was professional, knowledgeable, and arrived on time. They quickly diagnosed the problem with our heating system and had it running perfectly again. The pricing was fair, and the customer service was outstanding. I highly recommend this company to anyone needing heating and cooling services.

    Melody A.

  • We received excellent service from Marathon Heating and Cooling today. Troy arrived on time, quickly diagnosed a bad capacitor and had the A/C up and running in no time. Thank you very much Troy, we know how busy you are and very much appreciate the work you did. I recommend this contractor!

    mmm C.

  • Excellent service, clear explanations. It was a pleasure to meet Brian and Mohammad both.

    Casa P.

  • Fast service. Diagnosised and repaired my AC to home warranty specifications. Gave good advice on maintenance of the air conditioning unit.

    Michele S.

  • Troy was great. Kept me informed on the whole process. Thoroughly explained how to use new thermostat. Very quick to respond. Everyone involved in the installation and service were very professional very pleasant to work with

    Carley S.

  • "Troy is by far the most knowledgeable person in the field of Heating & Cooling. Friendly, affordable, timely. Does a thorough job and explains what is done and advises if follow up required. We are happy to share our experience with Marathon Heating Cooling Thanks Royce H

    royce H.

  • Marathon has always had our back. I wouldn't want to use anyone else. Troy has explained every step of every problem and made it incredibly clear what was going on. They've fixed everything we've thrown at them. They have reasonable prices, particularly for the service and care you get!

    Brandy R.

  • Once again Troy saved us when our AC went out last week! He got to us quick, diagnosed the issues, communicated with insurance to quickly get mechanical breakdown coverage approved, and a new system installed by the end of the week. Thank you, Troy!

    Sadie H.

  • The technician completed the requested maintenance in a professional, efficient manner. We will definitely use them again.

    Pam G.

  • We purchased a three-year service agreement with Marathon and they suggested redirecting our AC condensation to our rainwater harvesting barrel, which they included in the price. The installation was done well. This will save us money and make our plants very happy.

    Maud G.

  • I called on Friday and they weren’t Monday for routine maintenance. Good service!

    Kris A.

  • Fantastic service with a very knowledgeable owner who takes pride in his work. Would highly recommend!

    Dan L.

  • Troy explains in detail the problem, sends pictures, the office I think it's Brian is professional and kind!

    d T.

  • We needed a new heater system but we know we could not afford one. So, we decided get a estimate to repair. However, when Marathon crew came, and heard our situation..... they decided to put a new heater with no cost for us. Praise God 👏 Thank you for your generous heart to look after needy. May God continuously bless you and your company.

    insuk D.

  • Have done business with for years they always do a great job and take very good care of me. Troy and his staff are amazing.

    Paula J.

  • Best company I have dealt with so far. I highly recommend them. Great communication and they go above and beyond for the customer. They are the only company I will use in the future. Great work!

    Robin G.

  • Perfect as always!!

    Malin Y.

About Marathon Heating and Cooling LLC

Tucson HVAC services

The company says it specializes in the installation and repair of heaters and air conditioning systems. Its service list includes maintenance, zone systems design, and minisplits. Marathon Heating and Cooling LLC provides solutions for both residential and commercial properties. The business operates 24 hours a day.

In Tucson, electricity accounts for 49 percent of heating fuel usage according to the American Community Survey. NOAA normals indicate an average high of 81.5 degrees F and an average low of 53.6 degrees F.

Ratings and service details

The company has a 4.9 rating from 153 reviews. Reviewers frequently mention prompt arrivals, fair pricing, and effective diagnoses of system issues.

The company says it has four years of experience in the trade. It also notes that financing options are available for its clients.

Professional credentials

ROC 332624.

Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.

More HVAC contractors in Tucson

About Tucson

Population548,371 (2025)
CountyPima County
Average yearly snowfall0.8 inches
Heating degree days1,831
Most common heating fuelElectricity

Sources: U.S. Census Bureau. NOAA U.S. Climate Normals 1991-2020.