Grannus Pool Service
Commercial Pool Services

Everything Your Commercial Pool Needs — In One Partner

From routine weekly maintenance to emergency response, we provide the full range of commercial pool services for Philadelphia-area facilities. One team. One point of contact. Complete accountability.

Get a Free Assessment(267) 789-5356

Our Commercial Pool Services

Commercial pool maintenance technician servicing a large facility pool
Routine Maintenance

Hotels, HOAs, Fitness Centers, Municipalities

Routine Maintenance

Consistent care that keeps your facility running.

Scheduled commercial pool cleaning and maintenance is the foundation of a safe, compliant aquatic facility. Our technicians follow a detailed protocol on every visit — nothing gets missed, everything gets documented.

What's Included

  • Pool vacuuming, skimming, and brushing
  • Filter cleaning and backwashing
  • Pump and equipment inspection
  • Water clarity assessment
  • Detailed digital service log after every visit
  • Custom visit frequency based on bather load
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Pool water chemistry testing and chemical management for commercial facility
Chemical Management

All commercial facility types

Chemical Management

Precise water chemistry — every visit, every time.

Commercial pools require precise, consistent chemical management to meet Pennsylvania and New Jersey health code standards. We test, balance, and document water chemistry on every service visit — giving you the records you need for inspections.

What's Included

  • Chlorine and pH testing and adjustment
  • Total alkalinity and calcium hardness balancing
  • Cyanuric acid and stabilizer management
  • Shock treatments and algae prevention
  • Compliance-ready chemical logs
  • Emergency chemical correction response
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Commercial aquatic center regulatory compliance and inspection readiness
Regulatory Compliance

Hotels, Municipalities, Schools, Fitness Centers

Regulatory Compliance

Stay inspection-ready — always.

Health department inspections can happen at any time. We keep your facility in continuous compliance with Pennsylvania Department of Health and New Jersey regulations, so you're never caught off guard.

What's Included

  • PA and NJ health code compliance management
  • Detailed service and chemical logs for inspections
  • Health department inspection preparation
  • Signage and safety equipment audits
  • Bather load and capacity documentation
  • Corrective action planning and follow-through
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Commercial pool pump and equipment repair by certified technician
Equipment Repair & Replacement

All commercial facility types

Equipment Repair & Replacement

Fast diagnosis. Reliable repairs. Minimal downtime.

When equipment fails, every hour counts. Our technicians are trained to diagnose and repair commercial pool equipment quickly — and when replacement is the right call, we help you make the best decision for your facility.

What's Included

  • Pump and motor repair and replacement
  • Filter system service and repair
  • Heater and heat pump service
  • Automation and controller systems
  • Plumbing leak detection and repair
  • Equipment upgrade consultation
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Seasonal commercial pool opening and closing service
Seasonal Opening & Closing

HOAs, Hotels, Schools, Outdoor Facilities

Seasonal Opening & Closing

Start strong. Close right. Protect your investment.

A proper seasonal opening sets the tone for the entire season. A proper closing protects your equipment and surfaces through the winter. We handle both with the same attention to detail we bring to every service visit.

What's Included

  • Complete spring startup and water balancing
  • Equipment inspection and startup testing
  • Cover removal, cleaning, and storage
  • Winterization and equipment protection
  • Antifreeze treatment for plumbing lines
  • Pre-season compliance readiness check
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Emergency commercial pool service response team
Emergency Response

All commercial facility types

Emergency Response

When something goes wrong, we respond fast.

Pool emergencies don't wait for business hours. Whether it's a chemical imbalance that forces a closure, an equipment failure, or an urgent compliance issue, our team is available to respond and get your facility back in operation.

What's Included

  • Rapid response for chemical emergencies
  • Equipment failure diagnosis and repair
  • Urgent compliance issue resolution
  • Closure prevention and recovery
  • After-hours availability for critical situations
  • Incident documentation for your records
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Service Area

Serving Philadelphia and the Surrounding Metro

We provide commercial pool services throughout Philadelphia, Montgomery County, Delaware County, Chester County, Bucks County, Lehigh County, Northampton County, Berks County, and Mercer County, NJ.

Philadelphia, PAMontgomery CountyDelaware CountyChester CountyBucks CountyLehigh CountyNorthampton CountyBerks CountyMercer County, NJ

Ready to Get Started?

Let's build a service plan around your facility.

Every commercial pool is different. Tell us about your facility and we'll put together a custom maintenance plan — no obligation, no pressure.

Get a Free Assessment(267) 789-5356