West Valley HVAC firm urges Phoenix homeowners to schedule service before winter

One Hour Heating & Air Conditioning of West Valley is urging Phoenix-area homeowners to use the short stretch after monsoon season ends Sept. 30 to service HVAC systems before heating demand picks up. The company says the window is ideal for catching dust, wear and storm damage before the first cold mornings bring another rush of repair calls.

Why it matters: - Phoenix homeowners get a brief pause between peak cooling and peak heating demand. - That window can make it easier to catch summer damage before a system fails on a hot or cold day. - Monsoon dust, humidity and storm activity can leave hidden strain on HVAC equipment. - Heat pump owners have extra reason to check systems now because the same outdoor unit handles both cooling and heating.

What happened: - One Hour Heating & Air Conditioning of West Valley is encouraging Phoenix-area homeowners to schedule HVAC service in the weeks after monsoon season ends Sept. 30. - The company is pointing to a short shoulder season when cooling demand drops before heating demand rises. - The guidance is aimed at homeowners across the Phoenix metropolitan area.

The details: - Arizona's monsoon brings moist southerly winds, lightning, hail, strong winds and dust storms. - A haboob is the extreme form of that dust, created as air flows downward and outward from a collapsing thunderstorm. - Fine dust can load filters faster than at other times of year. - Dust can also settle on coils, restrict airflow, lengthen run times and strain the compressor. - A system that survived the season may still need cleaning and inspection. - Humidity adds load because Phoenix cooling systems spend most of the year handling sensible heat with limited moisture removal. - The legacy National Weather Service monsoon criterion for Phoenix was three or more consecutive days averaging a dew point of 55 degrees or higher. - Arizona State University research found Phoenix summer nighttime temperatures rising about 0.6 degrees per decade, faster than daytime temperatures of about 0.4 degrees per decade. - The research links the faster nighttime warming to the urban heat island effect as built surfaces release stored heat overnight. - The heating side of an HVAC system can sit unused for much of the year and collect dust from monsoon season. - The first cold morning is often when homeowners discover a heating problem. - Standard guidance calls for two maintenance visits a year, one before cooling season and one before heating season. - One Hour Heating & Air Conditioning of West Valley says homeowners should replace filters if they have not been changed since dust storms, clear vegetation and debris from outdoor units and note any summer changes such as longer run times, weaker supply air, a tripped breaker or new outdoor-unit noise. - One Hour Heating & Air Conditioning of West Valley answers calls 24 hours a day at (623) 688-5544.

Between the lines: - The timing pitch is as much about avoiding the seasonal rush as it is about maintenance. - In Phoenix, HVAC service often becomes urgent only when temperatures are extreme, which can delay routine checkups. - The short lull between seasons is when homeowners have the most flexibility and technicians may have more availability.

What's next: - Homeowners who act now can address cooling-season wear before the first cold snap tests the heating system. - The next meaningful pressure point is the start of heating demand, when repair calls typically increase. - Regular twice-a-year maintenance remains the clearest way to reduce surprise failures across both seasons.