Your Bellingham, WA Lennox Specialists
Lennox Heating & Cooling Systems in Whatcom & Skagit Counties
Clean Air Heating & Cooling installs and services Lennox furnaces, air conditioners, and heat pumps for homeowners across Bellingham, Ferndale, Lynden, and the greater Whatcom area.
Whether you’re upgrading an older system or designing a new home’s comfort solution, Lennox products deliver energy savings, whisper-quiet operation, and long-lasting reliability.
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Your Local Lennox HVAC Experts in Bellingham, WA
When it comes to reliable home comfort in the Bellingham and Whatcom County area, Clean Air Heating & Cooling is your trusted source for Lennox heating and cooling system installation and service. Our technicians are trained to size, install, and maintain Lennox furnaces, air conditioners, and heat pumps that keep your home comfortable year-round.
Whether you’re upgrading to a new system or need service on your existing Lennox equipment, we deliver expert work, honest pricing, and local support you can count on.
- Lennox Premier Dealer
- Locally Owned & Operated
- 5-Star Rated in Whatcom & Skagit Counties
- Energy-Efficient Heating & Cooling Solutions
Call Clean Air Today For A FREE Lennox Systems Estimate
Financing Available + 25% Utility Savings Guarantee
Why Homeowners Choose Lennox Systems
Want to learn more about Lennox products? Click here to explore our full lineup.
High-Efficiency Systems
From the SLP99V Furnace to the EL18XCV Air Conditioner, Lennox systems are built to cut energy costs without sacrificing comfort.
Quiet, Reliable Operation
Advanced SilentComfort™ technology ensures smooth performance with minimal noise.
Smart-Home Ready
Works with the iComfort® Smart Thermostat for Wi-Fi control and energy tracking.or spaces that are always too hot or cold.
Trusted Durability
Backed by Lennox’s industry-leading warranties and proven long-term performance.
Expert Lennox Installation Backed by Local Experience
Every Lennox system we install is built for long-term comfort — and our team ensures it’s installed for maximum performance. At Clean Air Heating & Cooling, our technicians are trained to design and size each Lennox system precisely for your home’s layout, ensuring balanced airflow, energy efficiency, and quiet operation.
From the first consultation to post-install inspection, we focus on getting every detail right. That’s why homeowners across Bellingham, Ferndale, Lynden, and all of Whatcom & Skagit Counties trust us for dependable, expert Lennox installation and service.
Explore our full Lennox Product Liine → to compare models and features.
Perfect for Every Home and Comfort Need
Whether you’re upgrading your furnace, replacing an aging air conditioner, or switching to a heat pump, Lennox systems deliver the perfect balance of efficiency, comfort, and quiet performance for homes across Northwest Washington.
Full System Replacements
Ideal for homeowners upgrading both heating and cooling — pair a Lennox furnace with a Lennox air conditioner or heat pump for maximum comfort and efficiency.
New Home Installs or Remodels
Perfect for building projects that need modern, high-efficiency HVAC options without sacrificing aesthetics or noise control.
High-Efficiency Upgrades
Reduce monthly bills and improve comfort with Elite® and Signature® Series systems designed for superior performance.
All-Electric or Dual-Fuel Setups
Combine electric and gas for ultimate flexibility — Lennox systems are built to handle both seamlessly.
Smart-Home Integration
Control your system anywhere with the iComfort® Smart Thermostat — monitor energy use, set zones, and keep your home perfectly balanced.
Over 450 5-Star Google Reviews
Testimonials
- Quick To Respond
- We Show Up On Time
- High-Quality Work
- Show Professionalism
Proudly Serving Northwest Washington
We proudly install and service Lennox furnaces, air conditioners, and heat pumps across Bellingham, Ferndale, Lynden, Blaine, and Everson, as well as throughout Whatcom, Skagit, and North Snohomish counties, including Mount Vernon, Burlington, Marysville, Arlington, and Lake Stevens.
Wherever you call home in Northwest Washington, Clean Air Heating & Cooling delivers expert Lennox installation, maintenance, and replacement services backed by friendly, local support.
Flexible Financing Options for Every Homeowner
Explore our Financing Options to make your new Lennox system even more affordable — and see if you pre-qualify without affecting your credit.
What To Expect
Our Process
In Home Estimate
We’ll evaluate your home, discuss your needs, and agree on next steps.
Installation & Repair
We show up on time, and get the work done to install your HVAC system with no headaches.
Stay Comfortable
We will have your new HVAC system installed in 1-2 days, helping you and your family get comfortable quickly.