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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Long Island
For over half a century, Air Conditioning Services has been the premier HVAC solutions provider for Long Island and New York City. Our team of seasoned technicians combines decades of hands-on experience with cutting-edge tools to deliver comprehensive heating, cooling, and air quality solutions for residential and commercial properties. We specialize in system installations, emergency repairs, and preventative maintenance, ensuring optimal performance and energy efficiency. Our 24/7 emergency service guarantees immediate response to critical HVAC failures, while our service contracts offer cost-effective maintenance plans. With expertise in geothermal systems, air purification, and hot water solutions, we provide tailored services that meet diverse client needs.

Our commitment to quality is reflected in our use of Energy Star-certified equipment and comprehensive warranties. As a locally owned business serving Nassau and Suffolk counties, we understand regional climate challenges and deliver solutions that maximize comfort and system longevity. Our technicians undergo continuous training to stay current with industry advancements, ensuring we maintain our reputation as trusted experts. Customer satisfaction remains our top priority, demonstrated through transparent communication, competitive pricing, and guaranteed results.
Services
HVAC Maintenance Heating Systems Air Conditioning Geothermal Solutions Air Purification Hot Water Services
Details
  • Year established: 1973
Highlights and features
  • We offer 50 years of specialized HVAC expertise
  • Our team provides 24/7 emergency service availability
  • We use Energy Star-certified equipment for energy efficiency
  • Our technicians complete annual training on system advancements
  • We offer customized service contracts with priority response
Services
HVAC Maintenance
Our preventative maintenance programs extend equipment lifespan while optimizing efficiency. Technicians perform comprehensive inspections of electrical components, refrigerant levels, and mechanical parts. Regular servicing reduces breakdown risks and lowers energy costs through improved system performance. We offer customized Gold and Silver contracts with priority service and discounted repair rates.
Heating Systems
We install and service high-efficiency heating systems including furnaces, boilers, and radiant heating. Our technicians handle repairs for all system types and provide emergency heating restoration. Energy-efficient upgrades reduce operating costs while maintaining consistent indoor temperatures during winter months.
Air Conditioning
Our cooling services cover central air systems, ductless mini-splits, and commercial HVAC units. We offer installation of Energy Star-certified equipment and complete system diagnostics. Emergency cooling repairs restore comfort during heatwaves, while annual maintenance ensures peak summer performance.
Geothermal Solutions
We design and install geothermal heat pump systems that leverage stable underground temperatures. Closed-loop and direct expansion systems provide efficient year-round climate control. Our engineers perform site assessments to determine geological suitability for residential and commercial properties.
Air Purification
We install HEPA filters, electronic air purifiers, and UV sanitation systems to remove allergens and contaminants. Humidification and dehumidification solutions maintain optimal moisture levels. These systems benefit allergy sufferers and improve overall indoor air quality for homes and businesses.
Questions
Do you service both residential and commercial properties?
Yes, we provide HVAC solutions for homes and businesses across Long Island.
Are emergency services available after hours?
Our 24/7 emergency service responds to heating and cooling crises 365 days a year.
What service areas do you cover?
We serve all Long Island locations including Nassau and Suffolk counties.
Do you offer preventative maintenance plans?
Yes, we provide Gold and Silver service contracts with scheduled maintenance visits.
Can you install geothermal heating systems?
Our experts design and install geothermal systems for residential and commercial properties.
Do you work with all HVAC equipment brands?
We service and repair all major HVAC brands including Goodman, Trane, and Carrier.
Reviews (4)
Joshua Happiness
Nov 25, 2021 Report
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Theresa Jenulis
Jul 18, 2020 Report
Arrived early, finished early, professional service. Thank you ACS for getting it done before this heat wave! Yes, I would highly recommend them for all your HVAC needs.
Eli Goodrich
Jun 23, 2020 Report
This team is awesome, I used them 5 years ago to install an A/C unit, that I purchased somewhere else, 1 day ago, unit stopped working, I called, nice lady told me the costs to come out, look and repair would be more, then had the technician there in 90 minutes! he discovered issue, fixed issue, a total pro, very fair price, - this is the right team to call when in need,
Karin Weibert
Sep 23, 2019 Report
I had an emergency issue in my business. In less than 24 hours this service came to my store . They were on time , polite , explained everything to me and resolved the issue with my AC unit . I highly recommend them.
Karin Lynn Haircolor Studio