Serving Suffolk & Nassau County · Long Island, NY
Heating Services
Heating Installation
Long Island.
New furnace, boiler, or heat pump installation throughout Suffolk and Nassau County. Free in-home estimates — honest recommendations, upfront pricing.
What we install
New Heating Systems
Installed Right.
Whether you're replacing an aging furnace or boiler, converting from oil to gas, or installing a new heating system in a new construction home, A1 handles the full installation. We're an authorized Lennox dealer and install all major brands.
Why upgrade your heating system?
Free estimate
Ready for a new heating system?
We'll assess your home and give you honest, upfront pricing. No pressure, no surprises.
Get a Free EstimateCommon questions
Heating Installation FAQs
How long does heating system installation take?
Most furnace or boiler replacements take one day. New installations involving ductwork or gas line work may take two days. We'll give you a clear timeline before we start.
What heating system is best for a Long Island home?
The best system depends on your home's size, existing infrastructure, and budget. Gas furnaces are the most common choice for Long Island homes with gas service. Heat pumps are increasingly popular for their efficiency. We'll assess your home and give you honest recommendations.
Do you handle oil-to-gas conversions on Long Island?
Yes. We handle complete oil-to-gas conversions including removing the old oil system, installing a new gas furnace or boiler, and coordinating with the gas utility. Many Long Island homeowners make this switch to reduce fuel costs.
Do you offer financing for new heating systems?
Yes. We offer flexible financing options including 0% interest promotions on qualifying new system installations. Ask about current offers when you call for your free estimate.
What heating brands do you install?
We are an authorized Lennox dealer and also install Carrier, Trane, Rheem, Navien, Weil-McLain, and other leading brands. We'll recommend the best system for your home and budget.
Free in-home estimates
New Heating System Installation on Long Island
Contact A1 today for a free, no-obligation estimate on a new furnace, boiler, or heat pump.