24-Hour Heating, Cooling, and Plumbing Services
Hassle-Free Monthly Payments
AAA Services Inc. understands how tricky it can be when your HVAC system breaks down. We partner with Service Finance to provide financing options so we can help relieve some of the stress. You may qualify to finance a new system installation or repair service. Go to the website below and complete the application form to find out what you are eligible for.
AAA Services Inc. is the leading heating, ventilation, and air conditioning (HVAC) company in Merrillville, IN and surrounding areas for your furnace service needs. We service all makes and models, and back our work with a warranty.
More Information
No need to sweat! We offer high-efficiency air conditioning systems to keep you and your loved ones cool on the hottest of days. Improve your comfort and your indoor air quality (IAQ). Upgrade today.
More Information
Our licensed plumbers can tackle any job at your IN home or business, from troubleshooting hidden leaks to replacing old pipes. Whether you want to upgrade your water heater or add new bathroom fixtures, give us a call.
More Information
At AAA Services Inc., we have the equipment and expertise to ensure your home is properly ventilated and comfortable throughout the year. Breathe easy—and count on AAA Services Inc. for your indoor air quality (IAQ) solutions.
More Information
Your HVAC System Requires Maintenance For Safety, Longevity, and Optimal Efficiency
Your HVAC system is a substantial investment. To keep it performing at peak efficiency, routine professional maintenance by our team is a must. Having our highly trained experts inspect and clean your equipment on a regular basis can keep your investment working well for years to come, ultimately saving you money.
Special Offer
$50 OFF
UV LIGHT AND DEHUMIDIFIER
We take pride in our work
Taking pride in our work is more than just a sentiment; it's a commitment to excellence. It's about striving for perfection, pushing boundaries, and delivering results that exceed expectations. Pride in our work fuels our dedication, fosters innovation, and builds trust with those we serve. It's the foundation upon which we build our reputation and the driving force behind our success.
Corey Grivetti for the repair that done today. This young man was excellent 1st. he explained the problem (faulty motor). That was replaced, his work was clean. In the end he explained their company warranty. I would highly recommend technician Corey Grivetti for any furnace repairs. Again thank you Corey Grivetti!”
“Corey was the service tech that came to my home to service my ac unit.
I can say he was one of the best in home service personnel I have worked with so far. He was very respectful and knowledgeable. He was able to explain to me in terms that I can understand exactly what was wrong with my ac unit. I would recommend this company to anyone I know especially if they be lucky 🍀 to get Corey that shows up”
Stay in the Know
How Often Do I Need to Clean My Main Sewer Line?
When was the last time you thought about your Merrillville, home’s sewer line? If your answer is “never” or “rarely,” you’re not alone—many homeowners don’t consider it until a problem arises.
3 Tips to Prevent AC Breakdown During a Heat Wave
An air conditioner is your lifeline during a prolonged heat wave. This life-saving comfort system is a necessity when temperatures soar and linger in Merrillville, as they have under the heat dome that has scorched most of the U.S. Southwest.
How Can I Make My Furnace Last Longer?
The average furnace lasts between 10 and 15 years. But did you know you can take steps to make it last longer? There is no shortcut or hack to increase your furnace’s longevity.
Welcome to the AAA Services Family
Welcome to AAA Services! We’re a family-owned HVAC and plumbing business with over 30 years of experience keeping families in Lake and Porter County comfortable.
We offer quality services, upfront pricing, and friendly technicians who treat your home with respect. Our licensed professionals will get your system back on track quickly and efficiently.
Installation Services
24/7 Emergency Service
Free System Estimates
Licensed And Trained Professionals
4672+
Furnaces
Installed
4341+
Air Conditioners
Installed
3209+
Water Heaters
Installed
Looking for a career in the HVAC industry?
Turn to the Experts
For more than 100 years, Carrier has been leading the industry with innovative ideas, pursuing excellence in heating and cooling solutions for homeowners all over the world. Our products have changed lives, and our commitment to technological excellence has set the standard for the industry
