PP
Preya Patel
Long Island, NY · May 2026
“Very good and fast service, prices very reasonable as well.”
HVAC Service
Google review
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#4
Premiumbest-efficiency🇺🇸 Made in USA
Lennox HVAC Review (2026)
Highest efficiency ratings, ultra-quiet operation, smart home integration
4.75/5
Price:$9.0k – $18.0k
Systems:furnace, ac, heat-pump, mini-split
Avg Life:20 years
Part of Lennox International · Est. 1895 · USA
Fully InsuredEPA 608 Certified250+ Lennox Installs
Last updated:
Fully InsuredBackground-CheckedEPA 608 CertifiedLennox Authorized
Our Review Process
Ratings are editorial comparison scores—not customer reviews, installation counts, or manufacturer endorsements.
Lennox HVAC System Planning for Nassau County & Covered Western Suffolk Areas
A useful Lennox comparison starts with the exact indoor and outdoor model pairing—not the brand name alone. Home+ Air & Heat can review Lennox HVAC system options for homes in our covered Nassau County and western Suffolk service areas, then document whether the proposed equipment, capacity, electrical scope, and installation approach fit the project.
Before work is authorized, ask for the design method, AHRI match where applicable, installer or dealer qualification required by the manufacturer, registration responsibility, parts coverage, labor coverage, exclusions, and current incentive assumptions in writing. Those details vary by model, project, contractor status, installation date, and current program rules.
Nassau County & W. SuffolkBrand & Model Fit VerifiedScope & Coverage in Writing
Who Makes Lennox HVAC Equipment?
Lennox equipment is made by Lennox International, founded in 1895 and headquartered in Richardson, Texas. Residential units are produced in Marshall, Texas. Lennox sells through a controlled dealer network and uses more proprietary parts than most competitors, which affects who can service the equipment later.
Manufacturer
Lennox International Inc.
Founded
1895
Headquarters
Richardson, Texas
Ownership
Independent, publicly traded (NYSE: LII)
Where it's built
Marshall, Texas
How it's sold
Controlled Lennox dealer network
Brands from the same manufacturer: Armstrong Air, AirEase, Ducane, Concord. Equipment sold under sibling labels often shares components and plants, so the installing contractor — not the badge — usually decides how the system performs.
Planning a Lennox project on Long Island? See how we install and size it for Nassau & western Suffolk homes →
Lennox HVAC Reviews: Our Installer Assessment
Lennox rates 4.8 out of 5 in our premium-tier HVAC system assessment. The scoring reflects build quality, parts availability on Long Island, warranty terms, and how the equipment holds up in the homes we service. Best for: Efficiency-focused homeowners wanting the lowest utility bills. Reviews are only half the picture — sizing and installation quality drive most of the failures we get called to.
This is Home+ Air & Heat's own editorial assessment as an insured, EPA 608-certified installing contractor, not an average of customer star ratings.
What reviewers and installers praise
- • Highest SEER2 and AFUE ratings available
- • Ultra-quiet SilentComfort technology
- • iComfort smart thermostat integration
- • Premium build quality
Complaints worth knowing before you buy
- • Proprietary parts — must use Lennox dealer
- • Highest pricing tier
- • Smaller dealer network than Carrier/Trane
- • Some repairs require specialized tools
How to judge a Lennox quote
- • Ask for the exact model numbers and the load calculation behind the sizing.
- • Confirm who registers the warranty and what labor coverage is included, in writing.
- • Check that the installer is qualified for the specific line, not just the brand.
- • Compare total installed scope — venting, electrical, and permits — not just equipment price.
0/50
Expert Rating
0+
Units Installed
0 yrs
Brand Heritage
0
System Types
Why We Recommend Lennox
Efficiency-focused homeowners wanting the lowest utility bills
Reliability Score: 9.2/10
US Manufacturing: Stuttgart, AR; Marshalltown, IA
250+
Lennox units installed
63+
installed in 2026
98% Warranty Claim Success Rate
Our Lennox warranty claims processed successfully
Customer Satisfaction
97%Based on post-installation surveys for Lennox
Also read: this brand on other pages
Same manufacturer, different equipment focus—so you get intent-matched detail without duplicate canonical URLs.
Expert Review: Lennox
First-hand experience from our Nassau County installation team.
Lennox consistently pushes efficiency boundaries — their SL28XCV is the most efficient AC on the market at 28 SEER2, and the SLP99V furnace hits 99% AFUE. For PSEG Long Island customers paying $0.24/kWh, that efficiency translates to real savings. We install Lennox primarily in newer Garden City and Manhasset homes where homeowners prioritize cutting-edge technology. The trade-off: proprietary parts mean you need a Lennox dealer for service, and pricing is top-tier.
— Blake Ruwali, EPA 608-Certified HVAC Technician
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Lennox Brand History
1895
Now
Founded in 1895
Lennox has been manufacturing HVAC equipment for over 131 years. Proudly American-made.
Part of Lennox International
Lennox International also manufactures Armstrong Air, Ducane — sharing engineering and manufacturing platforms.
Who Should Buy Lennox?
Lennox is ideal for these types of Nassau County homeowners.
Long-term Homeowners
Planning to stay 10+ years? Lennox's premium build quality and warranty coverage maximize your return on investment.
Quality-First Buyers
You prioritize reliability over lowest price. Lennox equipment costs more upfront but delivers fewer repairs and longer lifespan.
Set-It-and-Forget-It Types
With an average lifespan of 20 years, Lennox is built for homeowners who want to install once and not worry about it.
Top Lennox Models We Install
Ranked by our installation team based on performance, reliability, and homeowner satisfaction in Nassau County.
Flagship Model
👑FlagshipCentral ACvariable
Lennox XC25 Variable-Capacity Air Conditioner
Model: XC25
24 SEER2
59 dB
Smart
Lennox's flagship variable-capacity AC delivers whisper-quiet 59 dB operation and up to 24 SEER2 efficiency—the quietest central AC on the market.
Best For
Homeowners who want the quietest, most efficient AC available
Estimated Installed Price (Nassau County)
$12,000 – $17,000
38+ installed in Nassau County
10 years compressor
Why Our Installers Recommend It
If noise is your #1 concern, the XC25 is unmatched. We've installed these in master bedroom-adjacent locations where customers literally forget the AC is running.
Top Pick
⭐PremiumCentral ACTwo-Stage
Lennox XC21 Two-Stage Air Conditioner
Model: XC21
20 SEER2
65 dB
Smart
A premium two-stage AC that balances high efficiency with a more accessible price point than the XC25.
Best For
Homeowners wanting premium efficiency without flagship pricing
Estimated Installed Price (Nassau County)
$9,500 – $14,000
52+ installed in Nassau County
10 years compressor
Top Pick
⭐PremiumHeat Pumpvariable
Lennox EL18XCV Variable-Capacity Heat Pump
Model: EL18XCV
18.5 SEER2
9.5 HSPF2
62 dB
Smart
A variable-capacity heat pump with strong cold-climate performance, ideal for Long Island's Zone 4A winters.
Best For
Long Island homeowners switching from oil to electric heat pump
Estimated Installed Price (Nassau County)
$10,000 – $15,500
29+ installed in Nassau County
10 years compressor
⭐PremiumGas FurnaceTwo-Stage
Lennox EL296V High-Efficiency Gas Furnace
Model: EL296V
96% AFUE
55 dB
Smart
A 96% AFUE two-stage furnace that maximizes fuel savings while maintaining Lennox's signature quiet operation.
Best For
Homeowners wanting maximum gas efficiency from Lennox
Estimated Installed Price (Nassau County)
$6,000 – $9,000
33+ installed in Nassau County
20 years heat exchanger
ValueCentral ACSingle-Stage
Lennox 14ACX Single-Stage Air Conditioner
Model: 14ACX
15 SEER2
72 dB
Lennox's entry-level AC offering dependable single-stage cooling with the brand's quality construction at a lower price.
Best For
Budget-conscious homeowners who still want Lennox reliability
Estimated Installed Price (Nassau County)
$6,500 – $9,500
45+ installed in Nassau County
10 years compressor
Note: Prices shown are estimates for typical Nassau County installations and may vary based on your home's specific requirements, ductwork condition, and any necessary modifications. Contact us for a precise quote.
Pros
- Highest SEER2 and AFUE ratings available
- Ultra-quiet SilentComfort technology
- iComfort smart thermostat integration
- Premium build quality
- Carbon-neutral operations commitment
Cons
- Proprietary parts — must use Lennox dealer
- Highest pricing tier
- Smaller dealer network than Carrier/Trane
- Some repairs require specialized tools
Common Lennox Issues & How to Avoid Them
No brand is perfect. Here's what our technicians see most often with Lennox systems on Long Island.
⚠️
SL28XCV variable-speed compressor diagnostics require dealer tools
high💡 Choose a Lennox Premier Dealer (like us) with factory diagnostic equipment
💰 Typical repair: $500–$1,200
⚠️
Proprietary parts increase repair costs
moderate💡 We stock common Lennox parts at our Nassau County warehouse
💰 Typical repair: $200–$600
⚠️
Evaporator coil corrosion in coastal environments
moderatePreventable💡 Annual coil cleaning and applying protective coating extends life 5+ years
💰 Typical repair: $300–$800
⚠️
iComfort thermostat Wi-Fi connectivity drops
lowPreventable💡 Firmware updates and proper router placement resolve most connectivity issues
💰 Typical repair: $0–$150
⚠️
Higher maintenance costs than average
lowPreventable💡 Lennox maintenance plans offset costs and maintain warranty coverage
💰 Typical repair: $150–$300/yr
Most issues are preventable with annual professional maintenance. We recommend scheduling a tune-up every fall for heating and spring for cooling.
Lennox vs Bosch
How does Lennox compare to its closest competitor?
Lennox
Spec
Bosch
4.75/5
Rating
4.8/5
$9.0k – $18.0k
Price Range
$8.0k – $16.5k
Premium
Tier
Premium
10 years
Parts Warranty
10 years
4
Systems
3
20 yrs
Avg Lifespan
20 yrs
#4
Ranking
#3
Not sure about Lennox?
Compare with Bosch
Lennox Cost & Pricing
Price Range (Installed)
$9.0k – $18.0k
Price Tier
$$$$
Tier
Premium
Prices reflect typical Nassau County installations including labor, materials, and permits. Actual cost depends on system type and home requirements.
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Lennox Cost Breakdown
Where your money goes when you install a Lennox system. Based on a typical Nassau County installation at the midpoint price of ~$13,500.
Lennox Equipment
~55%$7,425
Professional Installation Labor
~35%$4,725
Materials (copper, refrigerant, etc.)
~5%$675
Permits & Inspection
~5%$675
Total Installed$9.0k – $18.0k
* Breakdown is an estimate based on typical Nassau County installations. Actual costs depend on system type, home layout, ductwork condition, and electrical requirements.
Financing for Lennox Systems
Lennox systems start at $9.0k – $18.0k installed. With financing, payments can be as low as $113/month with Home+ Comfort.
- ✓ Home+ install plans available with approved credit
- ✓ Terms from 37 to 132 months
- ✓ No prepayment penalties
- ✓ Apply in 60 seconds — instant decisions
2026 Incentive Guidance for Lennox
Federal 25C ended after 2025. Current utility or manufacturer programs must be verified for the exact equipment and project.
Federal 25C Status
The federal 25C credit is unavailable for property placed in service after December 31, 2025.
- • Current utility or manufacturer programs may apply
- • Eligibility depends on the model, customer, contractor, project, and program rules
- • Include an incentive only after written confirmation
Compare the installed price before incentives, then document any current eligible program separately.
💡 Program availability and eligibility change. We verify any estimated incentive in writing during the proposal process.
Lennox Warranty Coverage
Parts
10 years
Compressor
10 years
Heat Exchanger
Lifetime limited
Labor
1 year
10-year compressor, 10-year parts, lifetime heat exchanger
⚠️ Warranty registration required within 90 days of installation for full coverage.
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Lennox Warranty Registration Guide
Lennox requires warranty registration to receive full coverage. Here's how to protect your investment.
1
Install with a Qualified Contractor
Choose a contractor who installs Lennox regularly, so the install meets the manufacturer's requirements and your warranty stays eligible.
2
Register Within 90 Days
Complete warranty registration on Lennox's website within 90 days of installation. We handle this for all our customers.
3
Schedule Annual Maintenance
Most Lennox warranties require annual professional maintenance to remain valid. Keep your receipts.
4
Keep Your Paperwork
Save your invoice, model/serial numbers, and registration confirmation. We store digital copies in our system for you.
Important: Unregistered Lennox warranties may have reduced coverage periods. When you install with Home+ Air, we register your warranty the same day — guaranteed.
How Long Does Lennox Last?
Average lifespan with proper maintenance, based on Long Island installation data.
20 yearsExcellent
0 yrs10 yrs15 yrs20 yrs25 yrs
Maximize Lennox Lifespan
- • Change filters every 1-3 months
- • Schedule annual professional tune-up ($199–$199)
- • Keep outdoor unit clear of debris (2ft clearance)
- • Address unusual noises or performance changes immediately
- • Premium components reward proper maintenance with 20+ year lifespans
How Lennox Performs in Nassau County (Zone 4A)
Long Island sits in IECC Climate Zone 4A — cold winters, hot humid summers, and salty coastal air.
Winter (Dec–Mar)
20°F – 40°F typical, lows to 5°F
Lennox heat pumps with cold-climate ratings perform well to 5°F. Below that, auxiliary heat strips activate — which is normal for Zone 4A.
Summer (Jun–Sep)
80°F – 95°F with high humidity
Lennox air conditioning systems are sized for Long Island's humid summers. Proper sizing is critical — oversized units short-cycle and can't dehumidify effectively.
Coastal Humidity
60–80% relative humidity near shore
Nassau County's proximity to the coast accelerates corrosion. Lennox uses coated coils and corrosion-resistant components ideal for coastal environments.
Lennox Parts Availability on Long Island
Fast access to replacement parts means faster repairs and less downtime.
RB Supply
Hicksville, NY
✅ Lennox parts are readily available from local distributors. Most common parts delivered same-day or next-day to our shop.
Best Time to Install Lennox
Timing matters — here's when to buy for the best deals and shortest wait times.
🌸 Spring (Mar–May)
Best time to install a new Lennox AC or heat pump. Contractors are less busy, and you'll be ready for summer. Spring specials often include $500–$1,000 off.
☀️ Summer (Jun–Aug)
Peak season — longest wait times for Lennox installations. If your current system is 15+ years old, don't wait for it to fail in a heatwave. Schedule a tune-up now.
🍂 Fall (Sep–Nov)
Ideal time to install a Lennox furnace or boiler. Pre-winter installation ensures you're ready for the cold and often comes with year-end manufacturer promotions.
❄️ Winter (Dec–Feb)
Emergency replacements are most expensive in winter. If your Lennox system is aging, proactive winter planning for a spring install saves money and stress.
Lennox International Brand Family
These brands share the same parent company and often similar engineering.
5.0 / 5 · 111 Google reviews
Recent Google reviews
Long Island feedback.
Real customers.
Recent public reviews from homeowners who hired Home+ Air & Heat.
AS
Asifa Saliman
Long Island, NY · Apr 2026
“Quincy was my technician. He figured my issue in 10 minutes. He was very knowledgeable. He gave me a solution and the service was great.”
HVAC Diagnostic
Google review
NG
Nathan Gonzalez
Long Island, NY · Apr 2026
“Great service, thank you.”
HVAC Service
Google review
US
Uddipon Sarker
Long Island, NY · Jan 2026
“Amazing service. Really efficient with their work. Plus reasonably priced for the service.”
HVAC Service
Google review
SP
Sapkota Puru
Long Island, NY · Jan 2026
“Professional, quick, and reliable service. Everything works perfectly. Highly recommend.”
HVAC Service
Google review
DG
Danny Green
Long Island, NY · Jan 2026
“Homets Air and Heat was professional, punctual, and easy to work with. The technician arrived on time, explained everything clearly, and got the job done even in tough weather.”
HVAC Service
Google review
Lennox vs Competitors
How Lennox stacks up against other premium HVAC brands.
| Feature |
🌟Lennox
|
🏗️Trane
|
🔶Mitsubishi Electric
|
|---|---|---|---|
| Rating | 4.75 | 4.9 | 4.85 |
| Starting Price | $9,000 | $8,500 | $8,000 |
| System Types | 4 | 4 | 2 |
| Parts Warranty | 10 years | 10 years | 10 years |
| Known For | Highest efficiency ratings, ultra-quiet operation, smart home integration | Exceptional durability, Climatuff compressors, long lifespan | Mini-split and ductless leader, hyper-heating technology, zone control |
Competitor Deep Dive
🏗️
Trane
4.9/5$8.5k – $17.5k • furnace, ac, heat-pump, boiler
Strengths
- Climatuff compressors — industry-leading durability
- Spine fin outdoor coil resists corrosion
Weaknesses
- Premium pricing similar to Carrier
- Proprietary parts can be expensive
Why Choose Lennox Over Trane?
Efficiency-focused homeowners wanting the lowest utility bills
🔶
Mitsubishi Electric
4.85/5$8.0k – $18.0k • heat-pump, mini-split
Strengths
- #1 mini-split brand in North America
- Hyper-Heating to -13°F — best cold climate performance
Weaknesses
- Premium pricing for ductless category
- No traditional furnace or boiler offerings
Why Choose Lennox Over Mitsubishi Electric?
Broader product range (4 vs 2 system types)
Where Lennox Fits Best in Nassau County
Based on our installation experience, here's where Lennox systems perform best across Long Island.
Premium whole-home comfort
Old WestburyGarden CityManhasset
Large ColonialsEstates 4,000+ sq ft
Lennox's premium lineup delivers the reliability and efficiency expected in high-end North Shore homes.
Complete HVAC overhaul
HicksvilleLevittownBethpage
Full System ReplacementsNew Construction
Lennox offers furnace, ac, heat-pump, mini-split under one brand—simplifying warranty, service, and parts for whole-home replacements.
Installer Note: These are general guidelines based on our Nassau County experience. Every home is unique—we'll assess your specific needs during our free consultation.
Example Lennox Planning Scenario
An illustrative Nassau County scenario to show what should be evaluated before requesting a project-specific quote.
Illustrative home in Garden City, NY
Example Property
2,800 sq ft Tudor
System to Evaluate
Lennox Lennox SL28XCV (AC) heating and cooling system
$9.0k – $18.0k
Brand-level installed planning range, before any verified incentive; not a quote.
What changes the final proposal: Manual J sizing, duct condition, equipment matching, permits, and electrical or venting requirements.
On the job
Lennox equipment on recent jobs
Photos from jobs where this brand was part of the work.
MaintenancePlainview, NY·Commercial rooftop units
Commercial Rooftop HVAC Inspection & Filter Change in Plainview
See the job
Replacement & installationEast Norwich, NY·Gas furnace
Trane Furnace and Central AC Replacement in East Norwich
See the job
Photos enhanced for clarity.
Lennox FAQ
Final Verdict: Lennox
4.75
4.75/5
Overall Rating
Lennox earns its #4 ranking thanks to highest efficiency ratings, ultra-quiet operation, smart home integration.Efficiency-focused homeowners wanting the lowest utility bills. At $9.0k – $18.0k installed, it represents a premium investment in quality for Nassau County homeowners.
Get a Free Lennox Quote
Nassau County homeowners — get a same-day estimate.
No spam. We'll call once with your free estimate.
Brand DNA
Quiet
Efficient
Reliable
Value
Smart Home
Made in USA
Energy Efficiency
ExcellentTop 15% of brands
StandardHigh EfficiencyUltra
Our Pricing vs National Average
Our Price
$9.0k – $18.0k
Nassau County installed
National Average
$8.5k – $20.0k
US average installed
Save ~5% vs national average
Our Installer Certifications
Background-Checked
Every technician screened
EPA 608
Refrigerant handling certification
Fully Insured
General liability & workers’ comp
OSHA 30
Safety trained technicians
Long Island
The brand matters less than the installer
A great HVAC installer on Long Island will outperform a premium unit installed poorly. Use the verification checklist and three-estimate worksheet before you sign anything.
Open the contractor comparison guideGet a Lennox Quote
Free estimates for Lennox furnace, ac, heat-pump, mini-split systems. Same-day service available.
(516) 259-1191Rating4.75/5
Rank#4 of 25
Price Range$$$$
Avg Lifespan20 yrs
Systems4 types
Related Brand Reviews
Compare Lennox with these similar HVAC manufacturers.
💪
Armstrong Air
#14·4.25·mid-range
Value-focused homeowners wanting Lennox engineering at mid-range pricing
Read Review🏗️
Ducane
#22·3.85·value
New construction and budget replacements wanting Lennox backbone
Read Review🏗️
Trane
#1·4.9·premium
Long Island homeowners prioritizing long-term reliability, parts availability, and quiet operation
Read Review🔶
Mitsubishi Electric
#2·4.85·premium
Inverter cooling, ductless retrofits, and the most efficient summer comfort on Long Island
Read Review