Wiener Heating Corp. provides quality and professional service to valley Stream Long Island and the surrounding area since 1964. As a fully licensed and insured HVAC contractor, its our pleasure to provide outstanding residential and commercial services and installations to all of Nassau County, Suffolk County and Queens. With more than 50 years of experience, weve built up a reputation for quality, reliability and we can provide everything from heat pumps, boiler, furnace and central air conditioning repairs and installations to complex design spec applications. Heating Contractors & Specialties, Air Conditioning Contractors & Systems. Call Today to Schedule Your Consultation!