Algae Guard® Drain Treatments
EPA-registered time-release rings & blocks to keep condensate pans clear and odor-free for up to 6 months.
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Hotels: Keep Guests Comfortable, Reduce HVAC Downtime
From lobby AHUs to guest-room PTACs, Controlled Release Technologies helps hospitality teams prevent algae growth, eliminate condensate clogs, and extend equipment life—so rooms stay available and reviews stay positive.
Made in USA
US-based support
ISO-aligned manufacturing
Family-owned since 1985
Hospitality-trusted
Hotel Pain Points We Solve
- PTAC overflows leading to out-of-service rooms
- Buildup and odors in drain pans
- Coil buildup that spikes energy costs
- Emergency calls and guest complaints
How Controlled Release Technologies Helps
Our time-release water treatment and maintenance products keep drains clear and coils clean across your property. Fewer outages, faster turns, and better guest experiences.
- 6 month drain protection with controlled-release formulas
- Reduce OOS rooms from overflow incidents
- Lower energy costs via cleaner heat-exchange surfaces
Recommended for Hotels
Target PTACs, fan coils, and AHUs across guest rooms and common areas.
PanGuard® Pan Protection
NSF-certified time-release rings & blocks to keep condensate pans clear and odor-free for up to 6 months
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Coil Cleaners
Improve heat transfer and reduce energy costs with safe, effective coil maintenance.
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Coil Micro Coats
One annual treatment prevents buildup on coils, without affecting heat transfer
Learn more →“Since switching to CRT’s condensate treatments, our overflow calls have dropped and our team spends more time on proactive maintenance than emergencies.” Facilities Director, 220‑room hotel — Charlotte, NC
FewerEmergency PTAC calls
IncreasedGuest comfort scores
6 MonthTypical treatment cycle
Ready to protect guest comfort across your property?
Talk with our team about a property-wide plan for PTACs, fan coils, and AHUs—products, quantities, and schedules tailored to your hotel.
Hotel HVAC — FAQs
How often should we replace PTAC drain treatments?
Our drain products keep drain pans clear for up to 6 months. Your rep can help set a schedule by wing or floor.
Are CRT products compliant for hospitality environments?
Yes—our products are formulated for building HVAC use. Refer to product pages and SDS for compliance details.
Can you help us standardize across multiple properties?
Yes. We’ll recommend SKUs, quantities, and a rollout plan, then provide training resources for your techs.