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.
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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.
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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.
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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.
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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
Why Are They Called Ductless Mini Splits?
They’re called ductless mini splits because they don’t require ductwork and consist of two main components—a compact indoor air handler and an outdoor compressor—connected by refrigerant lines. This “split” design allows for efficient, targeted heating and cooling in specific areas.
 What Problems Can a Leaky Faucet Cause?
A faucet might seem like a minor feature in your home, but it plays a critical role in your daily routine. From brushing your teeth and washing dishes to filling pots for cooking or watering your plants, faucets are essential for convenience and cleanliness.
5 Reasons Why HVAC Maintenance is Essential
According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.
AAA Services, Your Local Plumbing & HVAC Experts
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
