Description
Nu-Calgon Evap-Fresh (4166-08) is a professional-grade, no-rinse evaporator coil cleaner, disinfectant, and deodorizer formulated specifically for HVAC evaporator coils, drain pans, and other interior air-handling surfaces. This 1-gallon container delivers an ample supply for routine maintenance and service calls, making it a trusted choice among HVAC technicians and contractors.
Product Overview
Evap-Fresh is an EPA-registered biocide that cleans organic debris from coil surfaces while simultaneously inhibiting the growth of bacteria, mold, mildew, and other microorganisms. Its no-rinse, self-draining formula saves time on the job — simply apply and let the condensate carry residues away through the drain pan. The result is a cleaner coil, improved system efficiency, and better indoor air quality for building occupants.
Key Features & Benefits
- No-rinse, self-draining formula — reduces labor time and simplifies application
- EPA-registered disinfectant and deodorizer for use on evaporator coils and drain pans
- Inhibits growth of bacteria, mold, mildew, and algae on treated surfaces
- Cleans organic soils and biofilm from coil fins and drain pan surfaces
- Helps restore heat transfer efficiency by removing fouling deposits
- Eliminates musty odors associated with microbial contamination
- Safe for use on aluminum, copper, and galvanized surfaces found in air handlers
- 1-gallon size ideal for service fleets and routine preventive maintenance programs
Typical Applications
- Residential and commercial air handler evaporator coils
- Fan coil units and PTAC evaporator sections
- Condensate drain pans
- Interior air-handling unit surfaces
Why Choose Evap-Fresh?
Regular coil cleaning with Evap-Fresh helps maintain peak system performance, reduces energy consumption caused by fouled coils, and supports healthy indoor air quality. Its EPA-registered biocidal action goes beyond simple cleaning to provide lasting microbial control between service intervals — a key advantage over standard coil cleaners.
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