Air Design Inc.

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About Air Design Inc.
Air Design Inc. is an air conditioning and heating contractor serving Valley Stream, New York, and surrounding Long Island communities. The company holds a 4.8-star rating from 240 customer reviews, reflecting consistent service quality across Nassau County. Their team of factory-certified technicians provides same-day service for both scheduled appointments and emergency situations, operating Monday through Friday from 8 AM to 5 PM. The company maintains full licensing and insurance coverage, offering comprehensive HVAC solutions that span heating systems, cooling equipment, and indoor air quality products.
What distinguishes Air Design Inc. from other Long Island contractors is their specialized focus on indoor air quality solutions, particularly the Reme HALO air purification system. They handle the complete spectrum of heating equipment, including furnace and boiler replacements, heat pumps, and oil-to-gas conversions. The company offers financing options with 0% available for qualified customers, plus seasonal promotions such as $99 tune-ups and $50 off equipment replacements. Their service agreements provide ongoing maintenance coverage, and they maintain 24/7 emergency availability for both heating and cooling system failures.
Customer reviews consistently highlight specific technicians who delivered exceptional service. One reviewer described how the team resolved an unexpected business system failure immediately, getting them back up and running the same day. Another noted technicians who cleaned mold and mildew from an air handler, replacing both drain pipes and electrical wiring while leaving no mess behind. A third reviewer specifically requested technician Mike for his knowledge and professionalism. Multiple customers praised the company's transparent pricing, prompt communication, and respectful treatment of their homes during service calls.
What Customers Say
All eight reviewed customers awarded 5-star ratings, with four mentioning same-day or immediate emergency response. Three reviewers specifically named technician Mike as knowledgeable and professional. Recurring praise points include transparent pricing, respectful home treatment, and efficient problem resolution. One reviewer noted cleaning costs were not covered by their warranty, indicating honest diagnostic communication even when unfavorable.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Services
Air Conditioning Installation & Repair
Central AC and ductless cooling system installation, repairs, and seasonal maintenance from factory-certified technicians.
Heating System Services
Furnace and boiler repair, installation, maintenance, heat pumps, and oil-to-gas conversions.
Emergency HVAC Services
24/7 emergency response available for both heating and cooling system failures with same-day service.
Indoor Air Quality Solutions
Reme HALO air purifiers, air cleaners, humidifiers, ventilators, UV lamps, and CO detectors.
Ductless HVAC Systems
Ductless heating and cooling solutions for homes without traditional ductwork, including split system repairs.
Water Filtration
Whole-home water filtration systems to improve water quality.
HVAC Maintenance Plans
Service agreements providing annual maintenance coverage and priority scheduling.