Best HVAC Contractors in Garden City, NY (2026)
Garden City's housing stock skews older and larger than most of Nassau — pre-war Tudors, Colonials, and brick Center Halls with original ductwork or steam radiators. HVAC work here is rarely a like-for-like swap; it's a sizing and integration problem.
Top HVAC contractors in Garden City
Home+ Air and Heat (Homets Services, LLC)
Local Nassau-based dispatch, Manual J / D / S on every install, PSEG-LI Participating Contractor, 1-year labor / 10-year parts standard.
See Garden City pricing & bookT.F. O'Brien Cooling & Heating
Strong on Garden City's Mitsubishi ductless and high-efficiency ducted retrofits.
Skaggs-Walsh
Deep oil-heat and boiler expertise — relevant for legacy hydronic systems and oil-to-gas conversions.
Universe Home Services
Multi-trade — useful when a Garden City project involves plumbing or electrical upgrades alongside HVAC.
Housing stock & ductwork
Many Garden City homes still run hydronic heat with cast-iron radiators and have central AC added later as a separate ducted system with undersized returns. The strongest installers either keep the boiler and tune the AC duct system independently, or propose a high-velocity (SpacePak / Unico) cooling solution that respects the architecture.
Permits, utility & local quirks
Garden City is an incorporated village with its own building department — separate from Town of Hempstead. Permit reviews are stricter and inspection slots can run longer. Oil-to-gas conversions are common here as homeowners modernize legacy heating; National Grid handles the gas-service upgrade in parallel with the HVAC permit.
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FAQ — Garden City HVAC contractors
Can I add central AC to a Garden City home with radiator heat?
Yes — and the question is whether to add conventional ducted AC, high-velocity small-duct (SpacePak / Unico), or ductless Mitsubishi heads. Conventional ducting is cheapest but often requires soffits or chases that change the architecture. High-velocity preserves the look but costs more. A serious estimate compares all three.
Are oil-to-gas conversions a good idea in Garden City?
Usually yes, if gas service is already on your street. National Grid runs the service upgrade; your HVAC contractor handles the boiler or furnace replacement, the chimney liner (often required), and the venting. Manhattan-grade Garden City Tudors should get a high-efficiency modulating-condensing boiler, not a basic 80% AFUE replacement.
Does Garden City Village handle its own HVAC permits?
Yes. Garden City is one of Nassau's incorporated villages with its own building department. Permits and inspections run through the village, not the Town of Hempstead. Reviews are typically stricter and timelines longer — factor that into project scheduling.