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Facing HVAC issues in Crestwood? Contact Allegiance Heating & Air for professional heating and cooling services including repairs and installations. Ensure your home comfort year-round!

Homeowners in Crestwood face challenging weather conditions year-round, from sweltering summers to frigid winters, requiring reliable HVAC systems for comfort and safety. When your system struggles to keep up with the temperature outside, you need a solution that restores balance to your home immediately. Contact us now to schedule a diagnostic visit and restore your comfort.
Your home should be a sanctuary, not a source of stress due to inconsistent temperatures or rising utility costs. By addressing your heating and cooling needs with professional care, you can expect a distinct shift in how your home feels and functions.
We are licensed and insured, providing same-day service with a focus on customer satisfaction.
Few things disrupt a household faster than an HVAC breakdown. In the middle of a humid July afternoon, a broken air conditioner turns your living room into a sauna within hours. Conversely, a furnace failure in January can threaten your plumbing pipes and force your family to bundle up indoors. The urgency is real, and the anxiety often centers on two main questions: "How quickly can this be fixed?" and "Is this going to cost a fortune?"
You might be debating the classic "repair versus replace" dilemma. Perhaps you have heard of the $5,000 rule—where you multiply the age of the unit by the repair cost—but you are unsure if that logic applies to your specific situation. You might be wondering if a repair will just be a temporary bandage on a system that is destined to fail again in a few months.
The uncertainty of finding a contractor who is "open now" and trustworthy adds to the stress. You need someone who understands the local architecture, from older farmhouses to modern developments near La Grange, and how different square footage impacts heating loads. When your comfort is compromised, you do not need sales pitches; you need clear answers and rapid solutions — schedule service.

Maintaining a comfortable home in Oldham County requires a multi-faceted approach. The weather patterns here demand versatile equipment that can handle high humidity just as well as it handles freezing overnight lows. Allegiance Heating & Air, LLC. provides a full suite of services designed to address every aspect of indoor climate control.
Summers in this region are defined by high humidity. An air conditioner does more than just lower the temperature; it extracts moisture from the air to make the environment breathable. If your system is short-cycling or blowing warm air, it fails to dehumidify, leading to a clammy and uncomfortable indoor atmosphere.
We handle everything from refrigerant leak detection and compressor replacements to the installation of high-efficiency central air systems — contact our team. For homes without existing ductwork, or for room additions like sunrooms, we also specialize in ductless mini-split systems. These units offer precise temperature control for individual zones, allowing you to stop cooling unused rooms and save on energy bills.
When winter settles in, reliable heating is non-negotiable. Whether your home relies on a gas furnace or an electric heat pump, efficient performance is key to keeping utility bills manageable. Older furnaces often struggle to distribute heat evenly, leaving some rooms cold while others are overheated.
Our services include detailed furnace diagnostics, heat exchanger inspections, and pilot light repairs. For those interested in dual-fuel systems or upgrading to modern heat pumps, we offer guidance on selecting units that perform well even when temperatures drop significantly. A properly sized heater ensures your 2,000-square-foot home stays warm without the system running constantly.
The best way to avoid an emergency call at 2:00 AM is proactive care. Because our local climate swings so drastically between seasons, your equipment works hard year-round. Neglect leads to dust buildup, worn belts, and clogged filters, which ultimately shorten the lifespan of the unit.
We provide comprehensive seasonal tune-ups that prepare your AC for summer and your furnace for winter. This includes cleaning coils, checking refrigerant levels, tightening electrical connections, and lubricating moving parts. Regular maintenance satisfies manufacturer warranty requirements and ensures your system runs at peak efficiency.
Modern homes are built tightly to conserve energy, but this can trap pollutants inside. Dust, pet dander, pollen, and mold spores circulate through your ductwork, potentially aggravating allergies or asthma.
We install and service indoor air quality solutions such as whole-home humidifiers, dehumidifiers, and advanced filtration systems. Controlling humidity is particularly important in our area to prevent mold growth during damp months and to protect wood furniture from cracking during the dry winter.
Hiring a contractor often feels like a leap of faith. You invite a stranger into your home and trust them to be honest about complex machinery. We believe the process should be transparent, educational, and respectful of your property from start to finish. We remove the guesswork so you can make informed decisions about your home comfort.
Living in this part of Kentucky means dealing with specific environmental factors that impact how you heat and cool your home. The humid subtropical climate puts a heavy latent load on air conditioners. This means your AC has to work harder to remove moisture before it can effectively lower the temperature. If your unit is oversized, it will cool the room too quickly without removing humidity, leading to a cold, damp feeling. If it is undersized, it will run continuously without ever reaching the set temperature.
Local homeowners should also be aware of the resources available to them. Utility providers like LG&E often offer rebates for upgrading to high-efficiency equipment. Navigating these rebate programs can help offset the initial cost of a new installation. Additionally, understanding local codes and permit requirements in Oldham County is essential for any major system replacement. We handle the logistical details, ensuring that all installations meet or exceed local safety standards and building codes.
Water quality is another local factor often overlooked. For homes utilizing whole-house humidifiers, hard water can lead to mineral buildup that reduces efficiency. We can recommend maintenance schedules or filtration accessories that account for local water conditions, protecting your investment.
In a market flooded with options, finding a partner who prioritizes your long-term comfort over a quick sale is rare. You need a team that views your home as a system, understanding how insulation, ductwork, and equipment all interact. We have built our reputation on reliability and technical excellence, serving the community with a dedication that neighbors recognize and respect.
We understand that HVAC problems rarely happen at convenient times. That is why we focus on responsiveness and availability. When you call, you are connecting with a local team that understands the geography of the area, from the town center out to the rural edges. We drive the same roads and weather the same storms, giving us a personal stake in ensuring our neighbors stay safe and comfortable.
Allegiance Heating & Air, LLC. is committed to integrity. We will never try to sell you a replacement when a repair is the better option for your budget and goals. Our technicians are trained to diagnose the root cause of the problem, not just the symptom. Whether you need a simple capacitor replacement or a full system design for a new construction project, we bring the same level of focus and craftsmanship to the job.
Your home comfort is too important to leave to chance. By choosing a team that combines technical skill with local knowledge, you ensure that your heating and cooling systems will serve you well for years to come. We are here to help you navigate the ups and downs of the local weather with confidence. Contact us today!
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.
