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Lennox XC21 Air Conditioner

Choose the Lennox XC21 for Your Home

The XC21’s multi-stage operation allows it to fine-tune your cooling, humidity levels and energy use by matching output to demand. With efficiencies of up to 21.00 SEER, the XC21 can lower your energy bills by hundreds of dollars a year, while still keeping your home cool and quiet. Advanced engineering in the XC21 means enjoying smart, energy-efficient comfort all year long. This product has been designated as one of the Most Efficient ENERGY STAR certified products in 2022.

Lennox XC21 Features

Energy EfficiencyUp to 21 SEER
Stages of CoolingTwo-Stage
Sound RatingAs low as 69 dB
SilentComfort™ TechnologyYES
ENERGY STAR® CertifiedYes
Environmentally ResponsibleR-410A Refrigerant
CabinetPermaGuard™ Cabinet and SmartHinge(TM) Louver Design
On-board DiagnosticsiComfort®-enabled technology
Full Line of Scroll CompressorsYes
Compressor/Parts WarrantyAll Dave Lennox Signature® Collection models come with a 10-Year Limited Warranty on compressor and covered components.
Tax Credit EligibleYes

View Lennox XC21 Manual

Special

Membership + New Customer Acquisition

$16.95/month
$75 OFF Your First Plumbing, IAQ, or Electrical Service
$100 OFF Your First HVAC Service

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$75 Off

Any Plumbing Repair if we can't service same day

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$89

Main Drain Clearing + Free Camera Inspection

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$49

HVAC Tune-up and New Customers get $100 OFF First HVAC Service

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$49

HVAC Tune-up

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$2,000 OFF!

Get a Full HVAC System Replacement with ZERO Payments and No Interest for 12 Months-Plus

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FREE

Duct Cleaning with new HVAC Installation

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FREE

EnviroAire IAQ UV System with new HVAC Installation

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$49

Water Heater Flush and Plumbing Inspection plus Free Water Quality Test

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$49

Well Inspection Plus FREE Water Quality Test

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15% OFF

Novo Tankless Reverse Osmosis System and Flow Tech Water Softener Systems

Members get 15% OFF

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

$89

Main Drain Clearing + Free Camera Inspection

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$29

Electrical Safety & Reliability Inspection

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FREE

Buy 3 Smoke Detectors, get one FREE

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$250

EV Charger Installation

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$500

Electrical Panel Replacement

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$100

Any Electrical Service of $500 or more

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Cannot be combined with any other offers or used on prior service. Coupon must be presented to tech at time of service.

We Set the Industry Standard

Whether you’re replacing an existing HVAC system or adding air conditioning and heating to an unconditioned space, you can be confident that our team will get the job done correctly the first time. We offer free estimates on new HVAC systems, seasonal rebates, and coupons to make your new system more affordable. We also offer financing options which allow you to choose the new cooling or heating system that best meets your needs.

Let Christian Heating & Air Conditioning help keep you comfortable all year long. Give our HVAC service team a call today or contact us for assistance.

Customer Reviews

Dan our service person was absolutely amazing. He took his time & explained everything he was doing thoroughly. I would highly recommend Christian & I hope you get Dan.

Satisfied Customer

Mr. Bob Adelghani did an excellent job. Punctual and very profesional took the time to explain the problem and fixed it! Finally someone who understood what I was talking about and fixed it!!! (Other companies did not!) Thank you so much for your great service!

Erika C.