FAQ 2017-05-05T07:27:52+00:00

Frequently Asked Questions

When you have questions, the dependable folks at Design Air are ready and able to answer. But first, take a look below at a few of the questions other Bryant® customers often have – you may find your answer right here.

Design Air is the best resource for identifying and supplying the correct, current parts for your system, as well as pricing and availability.
The filter shipped with your Bryant® unit is made from higher-quality materials than those of the disposable filters found in retail stores. For that reason, replacement filters can only be purchased through a Bryant® dealer such as Design Air.

Design Air keeps a variety of filter sizes in stock and offers discounts on cases of high quality 1″ & 2″ filters.

Design Air’s technicians are happy to come to your home and look at a problem with your system (diagnostic fee waived if on our annual maintenance program). To save you time, money, and for safety reasons, we do not recommend attempting to diagnose the issue yourself. Our technicians go through extensive training annually to remain up to date on current HVAC issues, servicing, and products.

See our Troubleshooting page for a basic check list of items you can do while waiting for a Design Air technician to arrive.

There are many factors that affect the sizing and specifications of your system, including square footage, insulation, window surface and configuration, geographic location of your home, duct sizing and arrangement, and many others. The Design Air Home Comfort Team can perform an in-home load analysis to determine which equipment combinations will perfectly suit your home and your family’s needs.
Under the Bryant® standard factory warranty for newly installed equipment, parts are covered ranging from 5-10 years depending on original or subsequent homeowner status and when the equipment was installed and registered. Design Air additionally offers a one year from date of install labor warranty and a lifetime workmanship warranty on equipment installed by our team. A warranty certificate was included with your homeowner information packet, and is specific to the model numbers, serial numbers, and installation dates of your product. If you cannot find your warranty certificate, Design Air will also be able to provide you with the information.

Design Air’s Service Guarantee: Any repairs performed on your home comfort system by Design Air, Inc. is guaranteed for a period of 12 months including parts and labor.

Dependable Bryant® products are among the longest lasting heating and cooling products available. There are a variety of variables that affect life expectancy including, but not limited to, regularly maintained equipment, duration of use, and environmental considerations. Contact Design Air to schedule an analysis of your equipment and it’s remaining lifespan.


Design Air, Inc. provides heating and cooling services to Missoula, East Missoula, Bonner, Potomac, Clinton, Lolo, Florence, Stevensville, Frenchtown, Alberton and surrounding communities. Call 406-251-7997 or request an appointment online today!