How Often Should Offices Schedule Deep Cleaning Services?

In today’s world, maintaining a clean, sanitary office isn’t just about appearances, it’s about creating a healthy, productive environment for employees and visitors. While daily janitorial services cover surface-level cleanliness, offices also need deep cleaning on a regular basis to remove built-up dust, bacteria, allergens, and grime on surfaces that might not be the target of night cleaners or day porters.
But how often should businesses schedule deep cleaning services like carpet extraction, upholstery cleaning, air vent sanitization, and restroom descaling? The answer depends on several factors, including office size, number of employees, industry, and frequency of use.
Common Office Deep Cleaning Services
1. Carpet Extraction
Carpets can harbor dirt, allergens, food particles, and bacteria deep within the fibers. Vacuuming helps, but it's not enough to remove embedded grime or stains.
Recommended Frequency:
- Light use (small staff, low foot traffic): Every 6 to 12 months
- Moderate to heavy use: Every 3 to 6 months
- High-traffic or client-facing spaces: Quarterly or more frequently
2. Upholstery Cleaning
Office chairs, sofas, and other upholstered furniture collect dust, skin particles, odors and even spills over time. These soft surfaces need proper attention to ensure a fresh and sanitary space.
Recommended Frequency:
- Low usage areas: Every 12 months
- Meeting rooms and waiting areas: Every 6 months
- High-contact seating (e.g., breakrooms, shared workspaces): Quarterly
Frequent upholstery cleaning not only improves hygiene but also extends the lifespan of your office furniture.
3. Air Vent Cleaning and Sanitization
HVAC systems circulate air throughout the building. If vents are dusty or moldy, they can spread allergens and poor-quality air, which can negatively impact employee health and performance.
Recommended Frequency:
- Standard office use: Every 1 to 2 years
- Allergy-sensitive environments: Annually
- Offices near construction zones or industrial areas: Annually or biannually
Clean air ducts improve air quality and reduce the strain on HVAC systems, promoting energy efficiency.
4. Restroom Deep Cleaning and Descaling
Restrooms are one of the most frequently used areas in any office. Over time, buildup from minerals, soap scum, and bacteria requires more than daily surface cleaning.
Recommended Frequency:
- Small offices with light restroom use: Monthly
- Moderate use: Bi-weekly
- High-traffic restrooms (e.g., large staff or public access): Weekly
Descaling fixtures, disinfecting under rims, and deep-cleaning tiles helps eliminate lingering odors and bacterial colonies that standard cleanings miss.
Factors That Influence Deep Cleaning Frequency
1. Industry
- Healthcare, legal, and financial sectors demand higher standards of cleanliness due to client expectations or regulatory requirements.
- Tech startups and creative agencies may have more relaxed expectations, but open layouts and shared seating areas can harbor germs if not cleaned regularly.
2. Office Size and Foot Traffic
Larger offices or those with a high volume of foot traffic (e.g., shared buildings, coworking spaces) will need more frequent deep cleaning to keep surfaces sanitized and smelling fresh.
3. Employee Count
The more employees in a space, the quicker areas like break rooms, restrooms, and shared workspaces become breeding grounds for germs and clutter. More staff = more frequent deep cleaning.
4. Seasonal Changes
During flu season or allergy season, more frequent carpet, upholstery, and air vent cleanings can help reduce the spread of illness and allergens. Many Phoenix businesses schedule additional deep cleaning near the start of the year before the early Spring allergy season and mid- to late summer before ragweed and desert bloom allergens arrive during the short fall months.
Signs Your Office May Be Overdue for Deep Cleaning
Even with regular janitorial service, you might notice signs that deeper cleaning is needed. Lingering odors, stained carpets, persistent dust, or employee complaints about air quality are all red flags. If your space hasn't had a professional deep clean in over six months, it's likely time to schedule one.
Partner With Our Building Services for Professional Deep Cleaning in Phoenix
Ready to schedule your office’s deep cleaning or create a custom maintenance plan? Call ProEthic Building Services today at (480) 725-8912 for a free consultation.