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Get your free estimateLennox HVAC in Freeport, NY | Dalton Heating & Air Hempstead
We provide independent Lennox HVAC service across Freeport, from AC Repair - Freeport and routine tune-ups to full system replacements. The one thing that sets our Lennox work here apart is how we account for salt air: Freeport’s coastal location destroys condenser coils faster than almost anywhere else on Long Island. Call (516) 559-4840 for a written estimate before any work begins.
Our technicians work on Lennox equipment every week in Freeport. Older G26 and G61 furnaces, newer SLP98V modulating systems, XC25 air conditioners, ductless mini-splits. We know the exact fault patterns these units develop in humid basements and salt-laden air. If you need Lennox sales & service, we’re equipped for both. If you’re in Freeport or a surrounding community, you’re in Freeport service area coverage.
Why Freeport Residents Choose Us for Lennox Service
Marco Benitez has spent nearly three decades doing HVAC work across the Northeast, and he trained his crew to treat every Lennox unit like it’s in their own basement. We service all nine major residential brands, but Lennox has a specific personality: tight tolerances, proprietary control logic, and coils that don’t forgive neglect. Our techs know the difference between an OEM Lennox ignition control board and a generic replacement that may throw false error codes.
We’re an independent Lennox service provider. Not manufacturer-affiliated, not a factory dealer. That means we answer to you, not to a corporate territory map. Every repair gets a written price before work starts. Every repair carries a written guarantee for a full year. If something fails within that year, we come back at no charge. That’s the Garrison Standard, and it applies on every job in Freeport, from a capacitor swap on Atlantic Avenue to a full ductless install near the Nautical Mile.
Styles & brands we work with







Common Lennox HVAC Problems We Solve in Freeport
- Failed ignition control boards on G26 and G61 furnaces. These boards sit in basement mechanical rooms where Freeport’s damp air condenses on cold metal surfaces. Voltage spikes from coastal storms finish the job. We stock OEM boards for same-week turnaround.
- Corroded condenser fins on XC21 and XC25 units. Salt spray doesn’t just sit on the surface. It works into the aluminum fins and eats them down to the copper in four to six years. We see this constantly on outdoor units near South Long Beach Avenue. Regular coil cleaning and a corrosion-inhibiting treatment slow the damage.
- Noisy variable-speed inducer motors on SLP98V furnaces. High basement humidity in Freeport’s older homes accelerates bearing wear. You’ll hear a rumble or whine on startup. We replace the inducer assembly and check airflow to make sure the modulating board isn’t overdriving the motor.
- Refrigerant leaks at brazed joints on Lennox mini-split line sets. Freeport’s freeze-thaw cycle, combined with vibration in homes with uneven foundations, stresses those joints. A slow leak drops cooling output and eventually kills the compressor. We pressure-test, braze, and recharge to spec.
- Leaking aluminum evaporator coils. Lennox’s aluminum coils resist formicary corrosion better than older copper, but they’re not immune. In Freeport’s humid shoulder seasons, coil leaks show up as reduced cooling, ice on the coil, or a hissing sound near the air handler. We replace with OEM Lennox coils matched to your system.
Lennox Service in Freeport: What Local Conditions Mean for Your Equipment
Freeport’s Nautical Mile and the waterfront streets off South Long Beach Avenue sit close enough to the water that salt spray lands directly on outdoor condenser units. We regularly find Lennox XC21 and XC25 condensers there with fins eaten down to bare copper within four to six years. You won’t see that a mile inland in Baldwin or Merrick. The salt air also gets into electrical connections: contactors corrode, capacitor terminals rust, and low-voltage wiring degrades faster than it would in a drier neighborhood. For Lennox owners near the water, this means two things. First, budget for coil cleaning and corrosion treatment every year, not every other year. Second, if your condenser is already rust-thinned and losing efficiency, replacing it with a unit that has a factory corrosion-resistant coating makes more sense than patching a losing battle. We apply the same logic to furnaces in old Freeport basements: cast-iron radiators converted from coal are charming, but the humidity they live with shortens the life of a G61’s secondary heat exchanger. We address that directly with corrosion-inhibiting treatments and annual combustion checks.
Lennox Models & Products We Service in Freeport
We service the full Lennox residential lineup: Merit Series (ML193 furnaces, ML14XC1 air conditioners), Elite Series (EL296V furnaces, EL16XC1 air conditioners), Dave Lennox Signature Collection (SLP98V modulating furnaces, XC25 air conditioners), and Lennox Healthy Climate filtration and humidity control products. For parts, we stock OEM Lennox boards, ignitors, and sensors when reliability demands the factory component. We also use proven aftermarket capacitors, contactors, and universal motors to keep repair costs down when the aftermarket part is just as good. That balance gets Freeport homeowners back up and running without overpaying for a brand label on a commodity part.
See the difference
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AfterLennox Service Pricing in Freeport
Most Lennox repairs in Freeport fall into predictable ranges. The final number depends on the part, the model, and whether it’s a straightforward swap or a diagnostic puzzle. Here’s what to expect:
| Service | Price Range |
|---|---|
| Lennox AC Repair (capacitor/contactor) | $150 – $650 |
| Lennox Furnace Repair (ignitor/gas valve) | $150 – $700 |
| Lennox AC Installation (Merit 14 SEER) | $3500 – $7500 |
| Lennox Furnace Tune-Up | $80 – $200 |
Every service call includes a written diagnosis and a fixed price before we touch a tool. You’ll know what’s wrong, what it costs, and what the alternatives are. Call (516) 559-4840 for a free estimate on any Lennox repair or replacement in Freeport.
Serving Freeport, NY - Our Local Coverage Area
We’re based in the Freeport area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Lennox HVAC in Freeport
Salt spray from Freeport’s waterfront is corroding the aluminum fins. This happens fastest on streets near the Nautical Mile and South Long Beach Avenue. The fix is a corrosion-inhibiting coating and annual coil cleaning. If the fins are already eaten to the copper, replacement may be the only real fix. Call (516) 559-4840 for an inspection and an honest assessment.
Most likely, yes. Freeport’s damp basements and the freeze-thaw cycle cause condensation inside the flue and pressure switch tubing. When water blocks the tube or the switch diaphragm sticks, the board reads it as an open circuit and locks out the furnace. We clean the tubing, check the flue slope, and replace the switch if it’s failed. Call us and we’ll quote the repair in writing before starting.
Yes. Ductless mini-splits route refrigerant lines through a small hole in the wall, usually three inches or smaller. We run lines through closets or along exterior walls and mount the indoor unit high on the wall. Original plaster stays intact. We also install high-velocity mini-duct systems and Heat Pump Installation - Freeport for homes where you’d rather hide the equipment entirely. Call (516) 559-4840 and we’ll walk the house and tell you what’s possible.
The variable-speed inducer motor bearings are probably wearing out. Freeport’s humid basements accelerate that wear, especially in older homes where the mechanical room doesn’t get much airflow. A failing inducer can also trigger false pressure switch codes. We replace the inducer assembly and verify the modulating control board isn’t overdriving the motor. Call us for a diagnostic visit and a fixed quote.
We stock common OEM Lennox parts on our trucks: ignition control boards, ignitors, flame sensors, pressure switches, capacitors, and contactors. Most repairs in Freeport happen same-day or next-day because the part is already in the van. If a part needs to be ordered, we tell you that upfront and give you a timeline before you commit. Call (516) 559-4840 and we’ll check availability for your specific model.
Service Areas Near Freeport
Dalton Heating & Air Hempstead runs Lennox service calls across Freeport and the surrounding South Shore communities. We’re regularly in Hempstead and Levittown for furnace tune-ups and AC repairs. For homeowners looking for Lennox service in Hempstead or Lennox service in Levittown, we offer the same written pricing and full-year guarantee. We also cover East Meadow, Long Beach, and Hicksville.
Book Your Lennox Service in Freeport Today
Salt air doesn’t wait, and neither should you. Call (516) 559-4840 for a free estimate on Lennox repair, replacement, or a seasonal tune-up. Same-day service is available for urgent breakdowns in Freeport. Tell us the problem, we’ll tell you the fix and the price, then you decide.
Written by Marco Benitez, Owner at Dalton Heating & Air Hempstead, serving Freeport since 2003.