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Allegiance Heating & Air logo - Professional HVAC Contractor in Greenville, IN
Unverified Electrical & HVAC

Allegiance Heating & Air in Greenville, Indiana

4.8/5 (695 Reviews)
8:00 AM - 5:30 PM See hours
pin icon 7201 U.S. 150, Greenville, IN, 47124
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Highlights from the Business

Satisfaction Guaranteed
Family
Regionally Owned
Personalized Service

About Allegiance Heating & Air

At Allegiance Heating & Air in Greenville, IN, we handle installations and replacements for central heating and cooling systems, air handlers, ductless setups, electric or gas furnaces, heat pumps, package units, and split systems. Our technicians show up on time, walk you through the work, and fit you in quickly-even same-day for urgent calls. We keep your home comfortable year-round from our spot at 7201 US-150.

Top Highlights From Customer Reviews

Allegiance Heating and Air provides professional and prompt HVAC service, including repairs, maintenance, and installations. Technicians are knowledgeable, explain issues clearly, and educate customers. The team is punctual, friendly, and efficient, with reasonable pricing. Customers appreciate their fabrication skills and problem-solving.

AI-Generated Review Summary

Top Reviews

  • A

    Angela Pentecost

    3 weeks ago
    Allegiance Heating and Air was incredibly honest, prompt, reliable, efficient, and professional. They arrived on time, explained the issue with my air conditioning clearly, and completed the HVAC repair quickly. I felt confident in the quality of their work and appreciated how seamless the whole experience was. I'm excited to call them again for my next heating installation. Highly recommend.
  • S

    Suzanne Canter

    3 weeks ago
    I pay the monthly service fee. They came and checked everything out for me....l purchased a surge protector for outside unit. Very good employee!
  • T

    Tina Mack

    1 month ago
    I was nervous at first, but the staff at Allegiance Heating and Air were incredibly professional. They arrived right on time, explained the HVAC repair process clearly, and completed the work efficiently. I appreciated their courteous attitude, the clean work area, and the fact that they answered all of my questions. I would definitely recommend them for any heating or cooling needs.
  • J

    James King

    1 month ago
    I had a heating issue on one of the coldest winter days. They set a prompt appointment the same day. Ended up calling to see if they could come early due to cancellation. Awesome! Best service that I have ever experienced even after they showed up. Very knowledgeable and explained everything. I would definitely recommend the technician that helped me. 100% go with Allegiance Heating and Air!
  • A

    Amy Romines

    1 month ago
    Allegiance Heating and Air was extremely friendly and professional. The technician arrived on time, explained everything clearly, and completed the AC repair quickly. I appreciated how helpful, punctual, and reliable they were. Highly recommend for any HVAC service. Every technician I have had has been wonderful.

Neighborhoods

  • Georgetown
  • Floyds Knobs
  • New Albany
  • Jeffersonville
  • Sellersburg
  • Clarksville
  • Elizabeth
  • Corydon
  • Memphis
  • Galena
  • Laconia
  • Crandon

Extra Info

Features

  • Prompt, same-day service
  • Professional & friendly staff
  • Experienced HVAC technicians
  • Reliable maintenance & repair
  • Clear explanations, punctual service

Social Media

Accepted Payment Methods

  • credit card
  • debit card
  • cash
  • bank transfer

FAQ

How does Allegiance Heating & Air determine pricing for HVAC installation or replacement?

We provide detailed written estimates that break down equipment costs, labor, permits, and any additional materials needed for your specific project. Our quotes include equipment model numbers and accessories like thermostats so you know exactly what you're paying for. We recommend getting clarity on what's included versus what's not-such as electrical upgrades or duct modifications-before moving forward. This transparency helps you avoid surprises when the final bill arrives.

Are you licensed and insured to perform HVAC work?

Allegiance Heating & Air maintains the licensing, bonding, and insurance required to safely service HVAC systems in Indiana. Our technicians carry EPA 608 certification, which is required nationwide for anyone handling refrigerant. We also carry workers' compensation and general liability insurance to protect you and your home. You can request proof of our credentials and insurance coverage before we begin any work.

Does Allegiance Heating & Air handle ductless systems and heat pump installations?

Yes, we install and service ductless mini-split systems, heat pumps, central air conditioning, furnaces, and package units. Our technicians are trained to evaluate your home's layout, insulation, and existing ductwork to recommend the right system for your needs. Whether you need a traditional split system or a modern ductless setup, we can assess your home and explain the pros and cons of each option so you can make an informed decision.

What should I expect for scheduling and how quickly can you arrive?

Allegiance Heating & Air prioritizes fast scheduling and can often fit urgent calls the same day or next day. When you contact us, we'll discuss your availability and the nature of your repair or installation to set realistic timelines. Our team communicates clearly about arrival windows and what to expect on installation day, including how long the work typically takes. We understand that HVAC emergencies don't wait, so we work hard to accommodate your schedule.

How does Allegiance Heating & Air protect my home during installation or service?

We use drop cloths and protective coverings to keep your home clean during the work. Our technicians take care to minimize disruption and clean up after themselves before leaving. Beyond physical protection, we also verify system performance after installation by testing airflow, refrigerant charge, and static pressure to ensure everything is working properly. We'll walk you through operation and maintenance so you understand how to care for your new system.

Why should I hire a professional instead of attempting HVAC work myself?

HVAC systems are complex and require specialized knowledge, tools, and certifications to install and maintain safely. Improper installation can reduce efficiency, shorten equipment lifespan, and void manufacturer warranties. We perform load calculations to size equipment correctly for your home's specific needs-something that can't be done with guesswork. Professional installation also ensures proper refrigerant charge, electrical connections, and code-compliant ductwork, protecting both your investment and your family's comfort.

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Location & Hours

Service Area:

Serving Greenville, IN & Surrounding Areas
Mon 8:00 AM - 5:00 PM
Tue 8:00 AM - 5:00 PM
Wed 8:00 AM - 5:00 PM
Thu 8:00 AM - 5:00 PM
Fri 8:00 AM - 5:00 PM
Sat 8:00 AM - 5:30 PM
Sun 8:00 AM - 5:30 PM

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