- Upfront Flat-Rate Pricing
- 24/7 Emergency Service
- Certified Local Experts
- Upfront Flat-Rate Pricing
- 24/7 Emergency Service
- Certified Local Experts
- Upfront Flat-Rate Pricing
- 24/7 Emergency Service
- Certified Local Experts
Smithtown, NY HVAC Repair & Installation | Icon Aire
Keep your home or business perfectly comfortable in any season with dependable local service in Smithtown, NY. Icon Aire Heating & Cooling delivers fast AC repair, efficient ductless mini-split setups, and complete furnace maintenance. Enjoy clear flat-rate pricing, certified technicians, and high-efficiency systems designed to lower your monthly energy costs.

Dependable HVAC Coverage Across Smithtown and Beyond
Icon Aire Heating & Cooling delivers prompt, top-rated HVAC service to property owners throughout Smithtown and surrounding Long Island towns. Whether you need emergency heating repair, central air maintenance, or a ductless mini-split setup, our certified technicians arrive fully equipped to restore your comfort quickly.
Comprehensive Heating & Cooling Solutions

01
AC Repair
Fast, accurate diagnostics and dependable repairs to resolve cooling issues, fix warm airflow, and restore reliable indoor air comfort during summer heat spikes.
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02
AC Installation
Seamless installation of high-efficiency air conditioning systems custom-sized to lower your utility bills and deliver consistent, whisper-quiet cooling.
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03
Boiler Installation
Expert replacement and installation of modern residential boilers, providing steady, energy-efficient hydronic heating and winter peace of mind.
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04
Furnace Installation
Professional installation of high-performance furnaces designed to lower heating costs, enhance indoor comfort, and keep your property warm during harsh winter months.
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05
Ductless Mini Split
Flexible, space-saving heating and cooling installations ideal for room additions, converted spaces, or homes without traditional ductwork.
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06
Heat Pump Installation
Clean, eco-friendly heat pump installations providing efficient all-in-one heating and cooling solutions that lower energy usage and reduce your carbon footprint.
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07
Heating System Installation
Complete system installations tailored to your home's layout, ensuring optimal airflow, high performance, and long-term heating reliability.
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08
Heating System Maintenance
Proactive seasonal tune-ups and multi-point safety inspections to prevent unexpected winter breakdowns and extend equipment life.
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09
Heating System Repair
Prompt emergency and scheduled repairs to fix system failures, noisy operation, and inefficient heating, keeping your home warm and cozy.
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10
HVAC System Maintenance
Comprehensive maintenance plans designed to keep your complete HVAC system running smoothly, maintaining peak energy efficiency year-round.
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11
HVAC Duct Repair
Sealing, repairing, and optimizing damaged or leaking air ducts to improve indoor air quality and eliminate cold or hot spots.
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12
HVAC System Repair
Expert repair services for all major heating and cooling brands, resolving airflow, electrical, and mechanical failures quickly.
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13
Thermostat Installation
Upgrade to modern programmable and smart Wi-Fi thermostats that give you precise temperature control and remote phone access.
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14
Thermostat Repair
Troubleshooting and repairing faulty thermostat controls, sensor issues, and wiring problems to restore accurate temperature settings.
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15
Heat Pump System Repair
Skilled repairs for cold-climate heat pump systems to restore efficient heating and cooling performance when you need it most.
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16
Heat Pump System Maintenance
Routine care, coil cleaning, and refrigerant checks to ensure your heat pump operates at maximum seasonal energy efficiency.
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17
Air Quality
Advanced air filtration, UV purifiers, and humidity control options to remove allergens, dust, and pollutants from your home's air.
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18
Furnace Repair
Reliable repair services for gas and electric furnaces to restore heat quickly, fix ignition problems, and ensure safe operation.
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19
Boiler Repair
Specialized repairs for steam and hot water boilers to eliminate loud clanging noises, fix leaks, and maintain even home heating.
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20
Central Air Repair
Fast troubleshooting and repairs for central air units to restore proper cooling airflow and protect your system from motor burnout.
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21
Central Air Installation
Full-home central air conditioning installations tailored to deliver balanced, quiet, and reliable whole-house cooling.
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22
Ductless Repair
Dedicated repair services for ductless mini-split units, fixing drainage issues, refrigerant leaks, and electrical faults.
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23
Ductless Install
Custom wall-mounted or ceiling-recessed ductless mini-split installations providing multi-zone temperature control for any room.
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Why Choose Icon Aire Heating & Cooling
Choosing Icon Aire Heating & Cooling means partnering with dedicated specialists who prioritize prompt, reliable service and complete pricing transparency. We understand the specific demands of local heating and cooling systems, from modern ductless mini-split installations to high-efficiency heat pumps and traditional boilers. Unlike standard options, we focus on long-term energy savings, assisting you with available utility rebates and clean energy incentives to maximize your investment. Our fully licensed, background-checked technicians treat your space with absolute respect, ensuring clean, compliant installations without hidden fees. Count on us for 24/7 availability, rapid response times, and tailored climate control solutions designed specifically for your comfort.

We're Here for Your Comfort—Reach Out Anytime
Getting dependable heating and cooling support in Smithtown shouldn't be complicated. Whether you need fast emergency repairs, routine seasonal tune-ups, or a high-efficiency system upgrade, our friendly local experts are on call 24/7. Reach out by phone or email today for prompt, reliable assistance tailored to your home.
Guided by Integrity, Driven by Quality

Upfront Transparency
We provide upfront, flat-rate quotes before any work begins, ensuring zero hidden fees, clear communication, and complete peace of mind.
Uncompromised Craftsmanship
From modern heat pumps to specialized heating systems, our certified technicians deliver precise installations and long-lasting repairs tailored to your space.
Dependable Service
We respect your time and property by arriving punctually, keeping a clean work area, and offering fast emergency response when you need us most.
What Our Clients Say
At Icon Aire Heating & Cooling, earning your trust is at the heart of everything we do. From emergency repairs to complete system installations, our licensed technicians prioritize prompt response times, transparent upfront pricing, and total respect for your home. Read through our customer reviews to see how our dedication to quality and service provides lasting comfort.
"This team is exceptional. We were in a panic when it was raining in our garage due to an hvac backup with a poorly installed condensate drain line and inoperable wet switch. They work hard, are extremely knowledgeable - not just with...
Katie Tucciarone
"I'm Super impressed with ICON Aire. They showed up on time (Sunday last minute request). They were able to diagnose and repair my system quickly. The Whole process was worry free... They are my trusted goto A/C guys. I'm writing...
Fred Phuckpuss
"Very timely, fixed the AC late at night. Very responsive. Great to work with."
Eric Chavis
"Brian was great."
Lyons Group LLC
"Dave and Jason are professional and hard working. they explained the whole process and answered all questions. the work was neat and clean."
Michael Mccann
"Dave was very professional and helpful. He resolved the issue for the cold air and explained the problem In details. We will be going ahead with them for he installation in future and they're highly...
Anup Uniyal
"My 1st floor central A/C was only blowing hot air. Called ICON and they came same day. Friendly and very professional. Fixed the problem. Also gave great advice on how to maintain the unit. Absolutely recommend them and very...
Ken Hieb
"Came in kept my install very professional and clean. Explained everything with my smart thermostat and made sure everything was running correctly before leaving. Fairly priced for the great work."
Aidan James
"Dave and his crew was great, they came on time, kept everything clean, installation was great walked me through everything"
Michael Wharton
"Dave from ICON Aire showed up at the scheduled time on the same day I called for service. Amazing given that other AC companies couldn’t get here for a week or 2 or simply didn’t want new business or didn’t return my call. Repaired our...
Drew Kanfer
"Dave was great. He really knew what he was talking about and was intent on finding the problem rather than trying to sell a new product.
He was successful in fixing the problem and getting my Central Air working ...
John Vaughn
"Great service and was able to come on one of the hottest days to get our AC running"
Pierre Brandt
"Our AC unit suddenly stopped cooling the house, so we called Icon on a Sunday expecting to leave a message. To our surprise, they called us back almost immediately! They had a technician at our house by 10:00 a.m. Monday, which...
Nicole Paxhia
"We couldn’t be more pleased with Icon Aire! The installation of our ductless ac unit was seamless. Dave and Jason were very friendly and professional and took great care in protecting our floor. When the job was finished, Jason took...
Barbara Dyson-Marlin
"Such a pleasure to be taken care of by these professionals. Received a quote same day of them showing up for mini splits throughout the house and was on the schedule for the next week. Even tightened the washer connectors from a poor...
