Nu-Calgon Evap-Fresh No-Rinse Evaporator Coil Cleaner & Disinfectant
Evap-Fresh is a ready-to-use, no-rinse evaporator coil cleaner and hospital-use disinfectant made for HVAC pros. Ideal for split systems and AHUs, it foams on, cuts grime, kills germs, and leaves a fresh finish—no rinse, no dramas. Perfect when you want the job done right and done quick.
Key Features & Benefits
- No-rinse, ready-to-use aerosol (18 oz / ~532 mL, part no. 4166-75) → Faster services with less mess and water on site.
- EPA-registered hospital-use disinfectant → Proven kill claims to back up hygiene jobs in sensitive sites.
- Foaming action clings to fins → Better dwell & penetration through tight evaporator packs for a cleaner coil.
- Non-abrasive, aluminium-safe formula → Protects delicate fins & coatings, reducing damage risk and call-backs.
- Fast dwell (3-minute disinfection; up to 10 minutes for specific viruses) → Speed on routine cleans; still covers tougher protocols when required.
- Lemon scent → Neutralises musty odours after servicing—customers notice the difference.
Why This Product Matters
If you've ever been on a sticky Brisbane arvo, head jammed inside a cassette, juggling pump sprayers and rinse bottles—you'll know rinse cycles chew time. Evap-Fresh goes on, disinfects, and air-dries. That's a ripper when you're knocking over multiple split services on a tight schedule.
Explore more options: see our coil cleaners range — concentrates, kits and accessories.
Application Tips
Disconnect power and let the coil surface come to room temp before spraying. Keep the surface visibly wet for the required contact time (most disinfection jobs: ~3 minutes; certain viruses require longer—check the label/SDS). Use only as directed and follow local chemical-handling rules—too easy.
Compatibility & System Info
- Applications: Indoor evaporator coils (split systems, cassettes, ducted AHUs), refrigeration evap coils.
- Metals & surfaces: Hard, non-porous, aluminium and copper fin packs, drain pans. (Spot-test painted/chrome surfaces.)
- Typical HVAC contexts: R32 / R410A splits, packaged units, rooftop AHUs, supermarket cases.
Built for Australian Jobsites
Built for Australian jobsites—from humid Brisbane summers to salty, coastal Newcastle installs. No rinse means less water containment hassle on indoor cleans—fair dinkum time-saver.
What's Included
- 1 × Evap-Fresh No-Rinse Evaporator Coil Cleaner & Disinfectant aerosol (approx. 532 mL)
Specifications (metric first)
| Item | Spec | Notes |
|---|---|---|
| Brand | Nu-Calgon | — |
| Part No. | 4166-75 | Aerosol |
| Format | Foaming aerosol, no-rinse | RTU |
| Volume | ~532 mL (18 oz) | — |
| Disinfection dwell | ~3 min typical; up to 10 min for certain viruses | Follow label |
| Surface type | Hard, non-porous HVAC coil surfaces | Indoor evap coils |
| Scent | Lemon | — |
Warranty & Returns
Standard manufacturer warranty and Australian Consumer Law protections apply. Change-of-mind/returns follow our store policy—see Shipping & Returns for details. Always use according to the product label and SDS.
FAQs
Is Evap-Fresh actually a disinfectant?
Yes—Evap-Fresh is an EPA-registered disinfectant when used as directed. Always follow the label for contact times.
Do I need to rinse after using this?
No—on indoor evaporator coils, it's a no-rinse formula. Let the foam dwell, then air-dry.
Any compliance considerations in Australia?
Yes—disinfectants are regulated nationally. Use products only as labelled and follow local chemical-handling rules set by authorities (see guidance below). TGA guidance on supplying and using disinfectant products in Australia
How often should I clean evap coils?
Every 6–12 months, or more often in dusty/coastal sites, to maintain airflow and avoid callbacks.
Is Evap-Fresh safe for all evaporator coil types?
Yes — it's non-abrasive, but avoid delicate painted, chrome or untreated metal surfaces unless you test first.
Can I use it in refrigeration units?
Yes — it's suitable for coils and surfaces in refrigeration equipment that are safe to spray and foam.
What pathogens does it kill?
Tested effective against a long list (MRSA, E. coli, etc.) as per AOAC methodology.
Related Products
- Air Conditioner Cleaning Bags: browse reusable AC cleaning bags
- SpeedClean Mini-Split Bib Kit: SpeedClean MSB Mini-Split Bib Kit
- Hydrocell Tradie Tough Portable Pressure Washer (17 L): Hydrocell Tradie Tough 17L Portable Pressure Washer
For best-practice HVAC cleaning and safety in Australia, see AIRAH (Australian Institute of Refrigeration, Air Conditioning and Heating) — industry standards and best practice guidance.
(Regulatory note: disinfectants are regulated locally; consult current TGA guidance for supply/claims and follow the product label & SDS.)
- Energy.gov – Air Conditioner Maintenance – highlights importance of coil cleaning & disinfecting for efficiency.
- EPA USA – Registered Disinfectants – underscores significance of using EPA-registered disinfectants.
- ARCtick — refrigerant handling licence requirements and regulatory guidance for Australian HVAC-R technicians
Trusted Supplier Info
Purchase from HVAC Shop Australia — genuine coil cleaners and disinfectants with fast delivery nationwide — genuine warranty, fast delivery Australia-wide, and local technical support you can count on.