
Clearwater Heating & Cooling Service Experts


Don't Let "Small" Problems Turn
Into Big Ones. The One Hour Guys Can Help.
Some of Our Specialties
Largo HVAC Repair, Installation & Maintenance
Experienced Heating & Air Conditioning Services in Largo, FL & Beyond
When people need trustworthy HVAC repairs, installation, or maintenance in Largo, FL, they call One Hour Heating & Air Conditioning® of Largo. Why? Because we're committed to one thing: serving our customers honestly, quickly, and excellently. Equipped with the industry's latest parts and technology, our independently owned business is built on old-fashioned customer service, from your first phone call to our final clean-up. All our work is backed by the UWIN Guarantee, so your repairs or installations are guaranteed to be durable and long-lasting. Our Largo HVAC service so committed to making your life more comfortable and convenient that if we're even one minute late for your appointment, the service is free. Like our motto says: "Always On Time...Or You Don't Pay a Dime!"®

Guided by the Highest Ethical Standards
Trustworthy businesses are like trustworthy people: strong values guide their behavior and decisions. One Hour Heating & Air Conditioning® of Largo is no different: our strict code of ethics means we always provide fair prices, do honest work, and give our customers a clear idea of the cost before we start. Our code of ethics extends to who we hire too: all our technicians are background-checked and drug-tested, and represent the very best local HVAC technicians in Largo, FL. As a result, our Largo HVAC experts are among the most trusted, most relied upon, and most effective craftsman in the industry. If you need heating and air conditioning service from good people who do good work, call One Hour Heating & Air Conditioning® of Largo at (727) 245-0378 today.


Always On Time...
Or You Don't
Pay A Dime

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‘Round the Clock Availability
No matter the hour, you can trust One Hour to be there
to help you when you get hit with the unexpected. -
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship
for up to two years from the date of your service. -
We Love What We Do
Our trained Comfort Specialists are friendly,
knowledgeable, and genuinely love helping people.

We Have A Reputation For Being Punctual, Friendly, and Knowledgeable
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“I have been very impressed with the standard/routine maintenance services as well as the duct cleaning, The technicians were courteous, knowledgeable, thorough, and conscientious. They explained the ...”
- Nicole Knickmeyer -
“I had the best experience with One Hour Air Conditioning! Jose was the gentleman who was sent to my home and he provided excellent service. He was very knowledgeable, he fixed my AC problem and was ...”
- Elena del Moral -
“I just want to say Thank you to Sheena James, i didnt actually have any services done, i was just inquiring about yall services, but Sheena was very helpful friend courteous and knowledgeable about ...”
- Ida Thomas -
“Call in to get some information about my central heating and spoke to ms Sheena J she was very help .provided me with great information .i will be using your service very soon and telling my friends ...”
- Patrice boyd -
“I was please to speak with Sheena James about my Ac unit at my residence. She was courteous and respectful of my needs, and I felt welcome. Thank you for all the good customer service.”
- Aron Mahon -
“I just want to thank you for the service you've provided over the years. Recently, Adam Gill came out to give me my regular service examination of my heating system. Just as he was the last time he ...”
- Wayne Whaley





Here for You Around the Clock
Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7.


