Furnace Repair &
Installation
Long Island

Furnace repair in Nassau and Suffolk County typically costs $150–$500 for common repairs. Diagnostic fees run $89–$150, applied toward repair costs. Major repairs or heat exchanger replacement range from $500–$1,500. We provide upfront pricing before work begins.

Warning signs include: no heat or inadequate heat, furnace cycling on and off frequently, unusual noises (banging, squealing, rattling), yellow or flickering pilot light, rising energy bills, carbon monoxide detector alerts, or a furnace over 15 years old.

Most furnace repairs are completed in 1–3 hours. We stock common parts on our trucks to avoid return trips. Complex repairs or special-order parts may take 1–2 business days.

Repair if your furnace is under 15 years old and repair cost is under 50% of replacement cost. Replace if it's over 15–20 years old, requires frequent repairs, or energy bills are consistently high. We give honest assessments — no pressure to replace.

We service all major furnace brands: Carrier, Lennox, Trane, Rheem, York, Bryant, Goodman, American Standard, Payne, Heil, and more. Both gas and oil furnaces in all sizes.

Yes. We offer full furnace replacement and new installation throughout Nassau and Suffolk County. We help you select the right system for your home's size and heating needs, and install it to manufacturer specifications.