When your Armstrong Air system needs attention, Serenity Air Heating & Air Conditioning is ready to help. We provide expert maintenance, diagnostics, and repair services for Armstrong Air heating and cooling systems across Pierce County and the Puget Sound region. Whether you’re dealing with uneven temperatures, unusual noises, or reduced efficiency, our team ensures your system gets back to peak performance quickly.
For more than a century, Armstrong Air has been known for dependable performance and innovative design. Their HVAC systems combine modern engineering with quiet, consistent comfort — a favorite among homeowners who value reliability and efficiency.
Even well-built systems need regular maintenance to stay efficient. At Serenity Air, we specialize in servicing Armstrong Air products, keeping them clean, calibrated, and performing at their best through every season.
Our technicians are trained to service and maintain a wide range of Armstrong Air systems, including:
Our team has hands-on experience diagnosing and repairing a wide range of Armstrong Air models, both old and new.
Routine service keeps your system efficient, reduces the risk of costly breakdowns, and helps extend the lifespan of your equipment.
We believe in transparency — you’ll always understand what’s needed and why before any repair begins.
Our technicians are local and ready to respond quickly, so you don’t have to wait days for your home’s comfort to return.
Serenity Air is known for delivering consistent, high-quality service that keeps Northwest homes comfortable year after year.




















Annual maintenance is recommended to keep your system efficient and catch small issues before they become expensive repairs — ideally once before summer and once before winter.
Unusual noises like rattling, banging, or whistling can indicate loose components, airflow restrictions, or worn-out parts. A technician can inspect and correct the issue safely.
Yes. We work on both current and legacy Armstrong Air systems. Our technicians can source replacement parts or provide compatible solutions for older models.
We inspect electrical connections, clean coils and filters, test thermostat accuracy, and confirm system performance — ensuring your unit operates efficiently and safely.
If your system is over 15 years old, requires frequent repairs, or no longer heats or cools effectively, our team will give you an honest assessment and practical next steps.
Still have questions? Reach out to our team today—we’re here to help with anything not covered in the FAQs.
We proudly serve homeowners and business owners throughout the Pierce County and surrounding areas across the Puget Sound region.
No matter your location—urban or rural—you get fast response, expert service, and complete comfort solutions.
Explore some of the cities we serve by clicking below: