Heating, Cooling, Heat Pumps & Air Quality From a Trusted Local Family
Carmel residents trust Harmon Heating & Cooling for professional heating, cooling, heat pump, and indoor air quality services. From AC repair to furnace installation, heat pump maintenance to air quality upgrades, we're your complete HVAC partner. With 35+ years of family-owned experience, a father-and-son operation, and access to premium brands like Armstrong Air, LG, and Climate Master, we deliver honest service, transparent pricing, and professional expertise on every job.
Carmel's climate demands reliable heating and cooling systems — beautiful springs and falls frame a hot, humid summer and a long, cold winter. Whether you're repairing a furnace failure, installing a new AC system, upgrading to a heat pump, or improving your home's air quality, we understand what Carmel homeowners need. We diagnose carefully, explain findings in clear language, and deliver solutions backed by decades of trusted service to the community.
Across Carmel and the rest of Hamilton County we handle AC repair, AC installation, furnace repair, furnace installation, and the annual maintenance plan that keeps both running.
35+ Years of Experience
Father-and-Son Team
Honest, Upfront Pricing
Armstrong Air Dealer
Family-Owned & Local
One local contractor for heating, cooling, heat pumps, and air quality — assessment through installation.
Central air keeps Carmel homes cool and comfortable through hot, humid summers. We repair failing AC units quickly, install high-efficiency systems, and schedule spring maintenance to prevent summer problems. We work on all major brands and help you decide whether repair or replacement is the best choice for your home.
AC Repair Services in Carmel · New AC Installation in Carmel
Reliable heating through Carmel's cold winters starts with a well-maintained furnace. We perform fall maintenance, repair heating failures promptly, and install efficient replacement systems when aging equipment needs to be replaced. Our technicians diagnose heating problems on the first visit whenever possible.
Heat pumps provide efficient heating and cooling year-round and eliminate the need for separate furnace and AC equipment. We install ductless mini-splits for targeted comfort, service all heat pump types, and maintain them to keep efficiency high. For many Carmel homeowners, a heat pump is the most comfortable, cost-effective solution available.
Heat Pump Installation & Service · Learn About Mini-Split Systems
Breathe cleaner, healthier air at home with air filtration, UV light cleaning, and humidity control solutions. Many homeowners add these when replacing furnaces or AC units, though we can retrofit them into existing systems. Cleaner air makes a real difference in comfort and health, especially for allergy sufferers.
Five steps from your first call to a comfort system you've watched us test and explain before we leave.
Call us at (317) 588-8303 or submit your HVAC need online. Tell us what's happening — repair, installation, or maintenance — and we'll schedule a time that works for you. Our dispatch team ensures your appointment fits your schedule.
Our technician arrives equipped and ready, thoroughly inspects your system, and runs diagnostic tests to pinpoint any issues. For repairs, we explain what we found in straightforward language. For new installations, we evaluate your home's size, ductwork, insulation, and climate needs to recommend the right-sized system for your space.
You'll receive a detailed recommendation with pricing, warranty information, and realistic timeline. We present repair versus replacement options side by side so you can make an informed decision. No hidden charges, no surprises, no pressure.
Our team completes the work to full manufacturer specifications. We test every connection, calibrate controls, and walk you through operation and maintenance. For equipment replacements, we handle safe removal and recycling of the old system.
After the work is complete, you have ongoing support for maintenance, warranty questions, and system performance. Maintenance plan members get both annual inspections on schedule that keep equipment running at peak efficiency.
Our maintenance plan covers a full heating inspection and a full cooling inspection each year for $170 — giving Carmel homeowners predictable budgeting and consistent equipment care. A trained technician spots worn parts, cleans coils, and verifies performance before each season's demand arrives, catching problems early and keeping repair costs down.
A new HVAC system is a real investment, and Harmon Heating & Cooling works with Service Finance to help make that investment manageable. Whether you're replacing an aging furnace before winter or upgrading to a more efficient central AC system, financing options are available so an unexpected repair or planned upgrade doesn't have to wait.
Our team can walk you through financing options through Service Finance at the time of your estimate, so you know what to expect before any work begins.
Contact Us to ApplyDon't wait on a failing furnace or AC — get your system installed today and spread the cost into manageable monthly payments.
Flexible terms keep payments predictable, so a new system fits your budget instead of draining your savings all at once.
Financing makes it easier to step up to a more efficient Armstrong system that lowers your energy bills month after month.
We serve Carmel, Westfield, Noblesville, Fortville, and Pendleton from our Fishers location. If you're not sure whether we reach your address, please contact us — we may still be able to help.
Don't see your city listed? Harmon Heating & Cooling serves additional communities throughout Central Indiana beyond our primary service area — reach out and we'll let you know if we cover your address.
Whatever your Carmel home needs, the same family-owned team handles it — from a summer AC repair to a whole-home heat pump upgrade.
Whether you need AC repair, furnace installation, a heat pump upgrade, or indoor air quality improvements, Harmon Heating & Cooling is ready to help. We're a family-owned Armstrong Air dealer with 35+ years of experience, transparent pricing, and a reputation for honest, professional service.
Contact us today for a free upfront quote or to schedule your service appointment. Call 317-588-8303.
