McAllister Service Guarantee

McAllister delivers more than precise custom-made home comfort systems, we deliver reliability, efficiency and performance you can count on.

In fact, we're so confident in our products and services that we offer a parts and labor warranty and a variety of comprehensive guarantees to improve your overall comfort by protecting you from the expense of breakdowns, ensuring proper installation, protecting you against manufacturing defects, and ensuring that you have received the best value and are 100% satisfied.

Millions of dollars and thousands of hours have been invested in laboratory stress tests on equipment and training for technicians to design and install units with minimum failure rates. If you ever have a problem with your McAllister comfort system, simply give us a call and relax, knowing that any issue that may arise will be minimized and taken care of guaranteed!