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Trust Allegiance Heating & Air as your HVAC company in Crestwood, IN. Professional, reliable heating and cooling solutions. Book your HVAC service!

When your home’s comfort is on the line, you need a local partner you can rely on completely. For residents in Crestwood, Kentucky, Allegiance Heating & Air is that partner. Since 2005, our family-owned and operated business has been dedicated to providing exceptional heating, cooling, and air quality solutions. We understand the unique climate challenges of the area and are committed to keeping your home a comfortable sanctuary year-round. Our pledge is to deliver not just superior technical service, but also an unmatched customer experience built on honesty, integrity, and a genuine commitment to our community. We are your neighbors, and we believe in treating every customer like family.
Your home's heating, ventilation, and air conditioning system is complex, with many interconnected parts that need to work in harmony. At Allegiance Heating & Air, we offer a full spectrum of services to ensure every component functions at its peak, providing reliable comfort and efficiency. Our factory-trained technicians are equipped to handle any challenge, from routine tune-ups to complex installations and urgent repairs.
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A cold Kentucky winter is no time to discover your heating system is failing. Our team at Allegiance Heating & Air is proficient in all aspects of heating care to keep your family warm and safe. We service all major brands and models, providing expert furnace repair to address strange noises, inefficient heating, or complete system breakdowns.
When it's time for a new unit, we guide you through the furnace replacement process, ensuring you get a high-efficiency system perfectly sized for your home. We also specialize in heat pump services, offering skilled repair, maintenance, and installation for these versatile and energy-efficient systems.
As temperatures rise in the summer, a powerful and efficient air conditioner is essential. Allegiance Heating & Air provides comprehensive AC services to keep Crestwood residents cool and comfortable. If your AC is blowing warm air, cycling frequently, or failing to turn on, our technicians can diagnose the issue quickly and perform lasting AC repairs.
For older, inefficient systems, we offer professional AC replacement, helping you choose a modern unit that will lower your energy bills and improve your home’s comfort. We also provide meticulous AC installation for new constructions and ductless mini-split services for homes needing targeted cooling solutions.
The air you breathe inside your home is just as important as the temperature. Allegiance Heating & Air offers a suite of indoor air quality (IAQ) solutions designed to create a healthier living environment. Our services include whole-house air purifiers and filtration systems that capture dust, pollen, pet dander, and other airborne contaminants.
We can also install whole-home humidifiers and dehumidifiers to balance your home’s moisture levels, preventing dry winter air and damp summer conditions.
Choosing an HVAC company means entrusting someone with the comfort and safety of your home. We take that trust seriously. The Allegiance Heating & Air difference is rooted in our core values and our unwavering commitment to exceeding your expectations. We hire only professionals we would trust in our own homes—technicians who are not only technically skilled but also respectful, courteous, and dedicated to clean, tidy work.
We believe in empowering our customers with knowledge. Before any work begins, our technicians will thoroughly explain their findings, walk you through your options, and provide clear, upfront information so you can make an informed decision. There are no high-pressure sales tactics or confusing jargon—just honest advice and expert workmanship.
One of the most common questions we hear from homeowners is whether to repair an aging system or invest in a new one. At Allegiance Heating & Air, our goal is to provide you with the information you need to make the right choice for your budget and long-term comfort.
If your furnace or air conditioner is over 10–15 years old, requires frequent and increasingly expensive repairs, or is causing a significant spike in your utility bills, a replacement is often the more cost-effective solution. A new, high-efficiency system can provide substantial energy savings that help offset the initial investment, along with improved reliability and enhanced comfort. However, if your system is relatively new and the required repair is minor, a professional fix is typically the best course of action.
The most effective way to prevent unexpected breakdowns, extend the life of your equipment, and keep energy costs down is through regular, professional maintenance. Just like your car, your HVAC system needs routine tune-ups to operate safely and efficiently.
During a maintenance visit, our technicians perform a comprehensive inspection, cleaning critical components, tightening electrical connections, lubricating moving parts, and identifying potential issues before they become major problems. An annual tune-up for your heating system in the fall and your cooling system in the spring ensures you are prepared for the season ahead, giving you peace of mind and protecting your investment.
Your home deserves the care, precision, and expertise that only Allegiance Heating & Air can provide. Whether you need fast repairs, a complete system replacement, or preventive maintenance, our team is here to deliver dependable comfort and lasting results. Don’t wait until small issues turn into costly problems—let us help you create a healthier, more comfortable living environment today.
Call Allegiance Heating & Air now to schedule your HVAC service and keep your home comfortable in every season!
MAINTENANCE PLAN
ALLEGIANCE HEATING & AIR, LLC SERVICE CLUB
At Allegiance Heating & Air, LLC, we provideprofessional HVAC maintenance and offer exclusive deals and discounts within our Service Club Membership to those in and around New Albany, IN. Members of Allegiance Heating & Air, LLC Service Club receive the following benefits:


BENEFITS OF THE MANTEINANCE PLAN
One free cleaning on your A/C.
One free cleaning on your furnace.
Priority scheduling.
Free trip fee with service calls.
Reduced after-hours trip fees.
15% discount on parts and labor.
