Compare the highest-rated hvac professionals in Islip, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
Full-service HVAC contractor specializing in high-efficiency system installations and 24/7 emergency repairs. Known for expertise in handling Islip's humid summers and cold winters with premium equipment including Carrier and Trane systems. Offers comprehensive maintenance plans to optimize system performance.
Family-owned HVAC company with deep roots in the Islip community. Specializes in furnace installations and repairs specifically designed for Northeast winters, along with AC systems built to handle Long Island's summer humidity. EPA-certified technicians with expertise in refrigerant management and indoor air quality solutions.
Energy efficiency-focused contractor providing advanced HVAC solutions including geothermal options, heat pumps, and smart thermostat integration. Specializes in reducing energy costs for Islip homes while maintaining comfort in both extreme summer and winter conditions. NATE-certified technicians with expertise in modern zoning systems.
Islip's HVAC market serves a coastal community with distinct seasonal demands. The humid continental climate creates strong demand for both robust heating systems (furnaces, boilers) to handle nor'easters and winter temperatures, and high-capacity AC systems to manage summer humidity. Energy efficiency is particularly valued due to Long Island's high utility costs. The market features a mix of established family-owned businesses and newer efficiency-focused contractors, with premium placed on 24/7 emergency services during extreme weather events.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Islip regulations and climate
Get answers to common questions about hvac services in Islip, New York.
For a full, professional replacement of a standard-efficiency central AC system in Islip, homeowners can expect to pay between $5,000 and $9,000. This range accounts for the unit, labor, ductwork modifications if needed, and proper disposal of the old unit, with final costs influenced by home size, system efficiency (SEER rating), and the complexity of the installation. Given our humid Long Island summers, investing in a properly sized, higher-efficiency system can offer significant long-term savings on cooling bills.
The optimal times are during the shoulder seasons—late spring (April-May) for AC servicing and early fall (September-October) for furnace tune-ups. Scheduling during these periods ensures your system is ready for peak summer heat or winter cold and provides much greater availability and potential for scheduling flexibility or promotions from local contractors. Avoid the first major heatwave or cold snap, as HVAC companies are at their busiest and response times can be delayed.
Yes, Suffolk County and Islip require permits for the installation or replacement of major HVAC equipment, including furnaces, boilers, and central air conditioners. A licensed HVAC contractor must pull these permits, which ensure the work complies with New York State building and mechanical codes, including specific energy efficiency standards. Proper permitting is crucial for safety, future home sales, and may be required for rebate programs from NYSERDA or local utilities like PSEG Long Island.
Prioritize contractors who are licensed, insured, and have a strong local reputation with verifiable references. Look for established companies familiar with the specific heating and cooling needs of older Islip homes, including dealing with oil-to-gas conversions and asbestos abatement protocols. Always check for affiliations with organizations like the Air Conditioning Contractors of America (ACCA) and confirm they provide detailed, written estimates that include all labor, materials, and permit costs.
This is a common consideration in our area. Boilers provide excellent, even radiant heat and are very reliable, but adding central air conditioning to a boiler-only home can be complex and costly. Switching to a high-efficiency furnace and central AC system provides both heating and cooling in one ducted system, but requires installing ductwork, which can be invasive. A popular alternative is to keep the boiler for heat and install a ductless mini-split system for efficient, zoned cooling, which is often easier to retrofit in historic or compact Islip homes.