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Upgrade comfort with HVAC installation from Allegiance Heating & Air in Sellersburg, IN. Reliable systems for lasting efficiency. Book installation today!

When it comes to maintaining a comfortable and efficient environment in your Sellersburg home or business, the quality of your HVAC installation is paramount. A new heating, ventilation, and air conditioning system is a significant investment in your property's comfort, air quality, and operational costs. A professional installation ensures that your new equipment performs at its peak from day one, delivering the energy efficiency and reliable climate control you expect for years to come.
An improperly installed unit can lead to a host of problems, including reduced efficiency, frequent breakdowns, and a shortened lifespan. That's why entrusting the process to experienced, certified technicians is not just a choice—it's a necessity for protecting your investment.
We specialize in providing comprehensive HVAC installation services for both residential and commercial clients throughout the Sellersburg area. Our focus is on delivering a seamless experience, from initial consultation to the final system check, ensuring your new system is perfectly tailored to your space and needs.
Transparency and precision are the cornerstones of our installation philosophy. We have developed a detailed, step-by-step process to guarantee that every system we install meets the highest standards of quality and performance.

The process begins with a thorough evaluation of your property. We don’t believe in one-size-fits-all solutions. Our technicians conduct a professional load calculation (Manual J) to determine the exact heating and cooling requirements of your space. This critical step prevents the common pitfalls of oversizing or undersizing a unit, which can lead to energy waste, poor humidity control, and unnecessary wear and tear. We discuss your comfort goals, budget, and any specific concerns you may have.
Based on our assessment, we guide you through selecting the ideal HVAC system for your property. We work with a wide range of high-quality equipment, including high-efficiency furnaces, central air conditioners, versatile heat pumps, and flexible ductless mini-split systems. We’ll explain the benefits of different technologies and efficiency ratings, such as SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor), helping you make an informed decision that aligns with your long-term energy-saving goals.
Before the new unit can be installed, the old one must be removed safely and responsibly. Our team handles the careful disconnection and removal of your existing equipment, adhering to all environmental regulations for refrigerant and material disposal. We then prepare the installation site, ensuring the area is clean, stable, and ready for the new system—whether it's a furnace in a utility closet, a condenser unit outside, or a rooftop unit for a commercial building.
This is where technical expertise makes all the difference. Our certified technicians meticulously install your new equipment according to the manufacturer’s exact specifications and local building codes. This includes securely placing the unit, expertly connecting it to your existing or new ductwork, running electrical lines, and connecting refrigerant pipes with precision to prevent leaks.
Once the physical installation is complete, we perform a rigorous commissioning process. This involves charging the system with the correct amount of refrigerant, testing airflow, calibrating the thermostat, and running the system through a full cycle. We check temperature differentials, static pressure, and all safety controls to confirm that every component is working in perfect harmony for optimal performance.
Our job isn't finished until you are completely comfortable with your new system. We provide a detailed walkthrough of its operation, explain the features of your new thermostat, and offer practical advice on routine furnace maintenance and AC care to keep it running efficiently. We ensure all your questions are answered, empowering you to get the most out of your new HVAC system.
While the core principles of quality installation remain the same, we understand the distinct needs of residential and commercial properties in Sellersburg.
Deciding whether to repair an aging system or invest in a new one can be challenging. A replacement is often the most sensible long-term solution if you notice any of the following signs:
Investing in a new, high-efficiency HVAC system not only resolves these issues but also provides benefits like improved indoor air quality, enhanced comfort, and the peace of mind that comes with a reliable, modern system.
Choosing the right team for your HVAC installation is just as important as selecting the right equipment. With Allegiance Heating & Air, you get precision workmanship, personalized recommendations, and a commitment to long-term comfort and efficiency. Whether you’re upgrading to a new AC installation, replacing an outdated furnace, or outfitting your commercial property with a high-performance system, we’re here to ensure the job is done right the first time.
Take the first step toward year-round comfort—schedule your HVAC installation with Allegiance Heating & Air today. Contact us to arrange your consultation and discover why homeowners and businesses in Sellersburg trust us for their heating and cooling needs.
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.
