We are a team of local residents who take pride in delivering high-quality, reliable heating & air conditioning services to our Indianapolis neighbors. With over 100 years of experience, you can trust us to get the job done right the first time. Whether you need routine maintenance, a repair or a custom install, our team will take the time to walk you through your options and find the right solution for your home and budget.

We Strive to be a Step Above the Rest

24/7 Emergency Service
Your HVAC system might not work around your schedule, but we do. Call us day or night and we’ll get you taken care of in no time.

Highly Trained & Professional Technicians
Not only are our technicians some of the best trained in the industry, but you can feel comfortable having them in your home. All of our technicians are background checked, drug tested, clean and professional. They’ll never leave a mess, just a properly running HVAC system.

Always On Time, Guaranteed
With all of life’s day-to-day commitments, we know you don’t have hours to spare. That's why we’re always on time, guaranteed.

Comprehensive & Complementary Diagnosis with Repairs
Before you repair with One Hour, we’ll do a thorough investigation into the issue and provide a comprehensive and complementary diagnosis to ensure we catch everything the first time.

Trucks Stocked with Parts for Same-Day Repairs
As friendly as our technicians are, we know you don’t want us to make multiple trips to repair your HVAC system. That’s why we keep our trucks stocked with a variety of parts for same-day repairs.

StraightForward® Pricing Guarantee
There’s no guessing game when it comes to our estimates. We pull pricing directly from our standardized StraightForward® Pricing Guide so you know you’re being treated fairly.

100% Satisfaction Guarantee
We always strive to exceed our customer’s expectations. That’s why we stand behind a 100% Satisfaction Guarantee.

Get Reliable, Top-Tier Service

NATE Certified Technicians

NATE Certified Technicians: Our technicians are certified by the North American Technician Excellence organization, the nation’ largest non-profit organization for HVAC certification.

PHCC Standards for Environmental & Social Responsibility

PHCC Standards for Environmental & Social Responsibility: We are proud members of the Plumbing-Heating-Cooling Contractors Association of Indiana and actively participate in the mission to protect the environment and improve the health, safety and comfort of society.

Energy Star Verified Installer

Energy Star Verified Installer: Did you know nearly half of all HVAC systems are installed incorrectly? As an Energy Star Verified HVAC Installer, we follow the Energy Star Quality Installation guidelines which ensure your HVAC system gets installed properly.

ACCA Standards for Quality Service

ACCA Standards for Quality Service: As Air Conditioning Contractors of America members, we follow the quality standards and industry best practices set forth by the ACCA to ensure our customers receive top-tier service.

Better Business Bureau Accredited

Better Business Bureau Accredited: We have been accredited with Indianapolis’ Better Business Bureau since 1992 and are continually working to maintain our A+ rating.

Area Served

Amo, Arcadia, Atlanta, Avon, Bargersville, Beech Grove, Boggstown, Brooklyn, Brownsburg, Camby, Carmel, Charlottesville, Cicero, Clayton, Coatesville, Danville, Edinburgh, Fairland, Finly, Fishers, Fortville, Fountaintown, Franklin, Greenfield, Greenwood, Indianapolis, Ingalls, Jamestown, Lapel, Lebanon, Lizton, Markleville, Martinsville, McCordsville, Monrovia, Mooresville, Morgantown, Morristown, Needham, New Palestine, Nineveh, Noblesville, North Salem, Paragon, Pendleton, Pittsboro, Plainfield, Shelbyville, Sheridan, Stilesville, Trafalgar, Westfield, Whiteland, Whitestown, Wilkinson and Zionsville.

  Business Address

5561 W. 74th Street
Indianapolis, IN 46268

License Number


Riley Hospital for Children

Riley Hospital for Children

One Hour is committed to making lives better for the good people of Indianapolis, this includes helping children in need. We are a proud member of the national Children’s Miracle Network of Hospitals and local sponsors of the Riley Hospital for Children.

Annual RTV6 Toy Drive

Annual RTV6 Toy Drive

For the past few years, we have been honored to participate in RTV6’s toy drive for underprivileged children in Indianapolis. Thank you to those of you who have helped us break our record for the number of toys donated each year. We couldn’t do it without you. 

Your Local One Hour Heating & Air Conditioning® Team