All Service Heating and Air Conditioning provides 24/7 emergency service of Heating and Cooling Systems, Plumbing Services and Restoration services on Long Island. We service and install oil burners, water heaters, oil tanks, hvac, warm air furnaces, aqua boosters, A/C units, central air and ductless cooling systems. We are fully licensed and insured and offer free estimates. We provide repairs, installations and service contracts for residential and commercial customers.