Lennox House of Sound

Authorized Lennox dealer serving Chicago since 2010 • D's Air & Heating, Inc.

Lennox Sound Comparison

Hear the real difference between Lennox's premium systems. Use the interactive demos below to compare sound levels before you buy.

Interactive demos powered by Lennox House of Sound

Don't 'FREEZE' Call D's...

Lennox systems are engineered for quiet performance, making them ideal for Chicago homes where comfort shouldn't come with unwanted noise. At D's Air & Heating, we install and service Lennox equipment designed with advanced sound-reduction technology, including insulated cabinets, variable-speed motors, and precision-balanced compressors. Whether you're upgrading your air conditioner, furnace, heat pump, or mini-split, Lennox systems consistently outperform standard HVAC units in noise control.

Many older HVAC systems operate between 70–80 dB, similar to the sound of a running vacuum. In comparison, Lennox high-efficiency models can operate as low as 50–60 dB, depending on the system type — closer to the noise level of a quiet conversation. Variable-speed Lennox units run at lower speeds during mild weather, significantly reducing noise while maintaining steady comfort. Mini-split systems and Signature® Series outdoor units offer some of the quietest operation available, making them perfect for bedrooms, offices, and living spaces where noise matters. Browse the full Lennox Systems Overview to compare models across every category.

Our technicians ensure every Lennox system is installed with proper airflow, vibration control, and sound-optimized placement. With professional installation and routine maintenance from D's Air & Heating, your Lennox system will deliver powerful heating and cooling with whisper-quiet performance all year long. Contact us for a free estimate today.

Compare Five Lennox Systems

Click play on any demo to hear how each system sounds at different operating conditions — then call us to get the right one installed in your Chicago home.

SLP98V Furnace

Dave Lennox Signature®

Variable-capacity modulating furnace — up to 99% AFUE. The quietest Lennox furnace available.

XC21 Air Conditioner

Dave Lennox Signature®

Up to 21 SEER2 variable-capacity AC. Industry-leading quiet operation at 59 dB.

XC17 Air Conditioner

Elite Series

Up to 17 SEER2 two-stage AC. Efficient, reliable, and noticeably quiet.

XP21 Heat Pump

Dave Lennox Signature®

Up to 21 SEER2 variable-capacity heat pump. Heating and cooling — whisper quiet.

XP17 Heat Pump

Elite Series

Up to 17 SEER2 two-stage heat pump. Dependable year-round comfort at a lower sound level.

Ready to upgrade to a quieter system?

D's Air & Heating is Chicago's Lennox Premier dealer. We'll help you choose the right system, pull permits, and handle the full installation — no contracts, no surprises.

Call (773) 940-0965 Browse Lennox Systems

Chicago Heating & Cooling Done Right. · Don't ‘FREEZE’ Call D's...

Why Chicago Homeowners Trust D's Air & Heating

Licensed & Insured

IL License #2183457

Serving Chicago

Since 2009

Authorized Dealer

Multiple Brands

No Contracts

Ever — Guaranteed

Permit Pulled

Every Installation

Professional Standards

Code-Compliant Work

EPA Certified

Mainstream Engineering

R-410A Certified

Mainstream Engineering

Why Choose D's Air & Heating, Inc.?

Chicago's trusted HVAC company since 2009 — licensed, insured, and committed to honest workmanship on every job.

Experience Since 2009

D's Air & Heating has served Chicago homeowners and businesses since 2009. Over 15 years of local HVAC experience means we've seen every type of system, every Chicago building configuration, and every challenge the city's climate presents.

Manufacturer-Trained Technicians

Our technicians receive ongoing manufacturer training and certification. We install Lennox, Goodman, Amana, Daikin, Sinclair, Weil-McLain, Peerless, and other leading brands — and we know each system inside and out.

Licensed, Insured & Permitted

D's Air & Heating holds Illinois HVAC License #2183457 and carries full liability insurance. We pull City of Chicago permits on every installation — protecting you legally and ensuring the work meets code.

Honest Recommendations

We tell you what you need — not what generates the highest invoice. If your system can be repaired cost-effectively, we'll say so. If replacement makes more sense, we'll explain exactly why. No pressure, no upselling.

Local Chicago Expertise

We know Chicago's housing stock — two-flats, greystones, bungalows, vintage buildings with steam heat, modern construction with forced air. We size and install equipment for the specific demands of Chicago homes and Chicago winters.

Long-Term Customer Support

Our relationship doesn't end at installation. We register your equipment for warranty, remain available for follow-up questions, and provide ongoing maintenance to keep your system running at peak efficiency for years.

Indoor Air Quality in Chicago — What Homeowners Should Know

Why Indoor Air Quality Matters

The EPA estimates that indoor air is 2–5 times more polluted than outdoor air. Chicago homes — especially older buildings with limited ventilation — accumulate dust, allergens, volatile organic compounds (VOCs), combustion byproducts, and biological contaminants. Modern HVAC systems can address all of these with the right equipment.

Air Filtration — MERV Ratings Explained

MERV (Minimum Efficiency Reporting Value) rates how effectively a filter captures particles. Standard 1-inch filters are MERV 1–4 and capture only large particles. MERV 8 filters capture most dust and pollen. MERV 13 filters capture fine particles including bacteria and smoke. High-efficiency media filters (MERV 13–16) provide hospital-grade filtration without restricting airflow.

Humidity Control

Chicago winters are extremely dry — indoor relative humidity can drop below 20% when it's cold outside. Low humidity causes dry skin, static electricity, wood shrinkage, and increased susceptibility to respiratory infections. A whole-home humidifier connected to your HVAC system maintains 35–45% relative humidity automatically. In summer, a whole-home dehumidifier prevents mold growth and improves comfort.

UV Air Purification

UV-C light systems installed in the air handler kill bacteria, viruses, and mold spores as air passes through. Lennox PureAir and similar systems combine UV-C with activated carbon filtration to address both biological contaminants and chemical pollutants (VOCs, odors). These systems are particularly valuable for households with allergy or asthma sufferers.

What to Expect From Your D's Air IAQ Installation

Assessment

We evaluate your current system, identify IAQ concerns, and recommend targeted solutions.

Equipment Selection

We recommend the right combination of filtration, humidification, and purification for your home.

Installation

Our technicians install IAQ equipment integrated with your existing HVAC system.

Airflow Verification

We measure static pressure and airflow after installation to confirm the system is not restricted.

Customer Training

We walk you through filter replacement schedules, humidity settings, and UV lamp replacement intervals.

Follow-Up

We remain available for questions and annual maintenance of your IAQ equipment.

D's Air IAQ Installation Standards

IAQ assessment — identify specific pollutants and sources
Filter upgrade recommendation based on system airflow capacity
Humidifier sized to building volume and infiltration rate
UV system positioned for maximum exposure of air stream
ERV/HRV sized for building volume and occupancy
All IAQ equipment integrated with existing HVAC controls
Airflow verified after any filter upgrade — static pressure checked
Equipment registered for full manufacturer warranty

What Our Customers Say

4.6 / 5.0

Based on Google Reviews — D's Air & Heating, Inc.

Marcus T.

Furnace Replacement

"D's Air & Heating did an outstanding job replacing my furnace. Darryl was professional, on time, and explained everything clearly. The installation was clean and the system works perfectly. Highly recommend."

Verified Google Review

Latoya W.

Boiler Repair

"Called D's Air when my boiler stopped working in January. They came out the same day, diagnosed the problem quickly, and had it running again within hours. Fair pricing and excellent service."

Verified Google Review

James R.

AC Installation

"Installed a new central AC system for us this summer. The crew was respectful of our home, cleaned up after themselves, and the system runs quietly and efficiently. Very satisfied."

Verified Google Review

Read All Reviews →

Ready to Work With Chicago's Trusted HVAC Company?

D's Air & Heating, Inc. — Serving Chicago Since 2009. Licensed, Insured, No Contracts.

(773) 940-0965 Book Online

Why Choose Lennox?

D's Air & Heating is an Authorized Lennox dealer — Serving Chicago Since 2010.

Lennox products are recognized for advanced technology, quiet operation, exceptional efficiency ratings, and dependable performance in Chicago's demanding climate. Lennox systems are engineered for long-term reliability, comfort, and energy savings.

Why Choose D's Air & Heating?

D's Air & Heating is an Authorized Lennox dealer — Serving Chicago Since 2010.

Since 2010, our company has helped Chicago homeowners and businesses install and service Lennox equipment. We provide expert sizing, installation, startup, testing, maintenance, and long-term support for every Lennox product we install.