Oops! Most systems heat at one speed. Cranking the t-stat up really high will just make it run longer and overshoot your desired temperature.

Oh no! The answer is true: Per WI code, your furnace is sized to maintain about 70°F indoors at your area’s design temp (Waukesha: -5°F). If it gets colder than that, the furnace can run nonstop and may be unable to maintain 70°F.

Oops! The answer is False. “Completely off” isn’t always the best move. Smaller setbacks usually cut heat loss while keeping recovery reasonable.

The correct answer is false. Too much humidity during winter can cause window condensation, frost, and even moisture issues. The optimal range is between between 40-60% as long as outdoor temperatures are above 30°F.

The answer is false. Having annual maintenance done keeps your warranty in good standing, maintains the equipment's efficiency, and keeps it running strong. Manufacturers specifically state "annual" maintenance, not pre-season in their owner's manuals Pre-season, mid-season, and post-season schedules all have their merits, each offering unique benefits.

The answer is True. Restricted airflow from a dirty filter hurts performance and can cause overheating/short cycling. Are you due for a replacement filter? Visit our shop page to get them delivered straight to your door!

The answer is false. You typically adjust it lower as outdoor temps drop to avoid condensation and other issues.