Your HVAC is dying 7–10 years early. It doesn't have to.

Three silent killers take out commercial HVAC years early: coil corrosion, microbial fouling, and rooftop heat load. Replacing a failed coil runs $10,000+ — and the energy waste starts long before the failure. CoatZone reverses all three: CoilSafe® stops corrosion with zero efficiency loss, CoilSafe Plus® adds antimicrobial protection for the air itself, and ThermalBlock™ cuts rooftop heat load and 10–15% of the energy waste.

🛒 Order CoatZone HVAC Protection → Check availability in your state →

Who installs it.

CoatZone HVAC Protection is fulfilled nationwide by The Commonstead Installer Network — certified installers and applicators, coordinated by your Commonstead consultant and named on your order confirmation.

Why it works.

CoilSafe® — corrosion protection, zero efficiency loss, 200,000+ treated units
CoilSafe Plus® — antimicrobial protection for coils AND the air they condition
ThermalBlock™ — rooftop heat load down, 10–15% energy waste recovered
A fraction of the $10,000+ cost of a failed coil replacement
Built for restaurants, hospitals, schools, hotels, grocery, coastal properties

CoatZone treatments are available nationwide through certified applicator partners.

How it works.

Tell us your units' age

Or send photos — we tell you straight: protect or replace.

Site treatment

Certified applicators coat coils and rooftop surfaces on-site.

Corrosion stops

The chemistry that eats coils gets sealed out.

Years added

Your HVAC runs cooler, cleaner, and 7–10 years longer.

📄 It starts with one bill.

One recent utility bill tells us your usage, your rate, and exactly what you're leaving on the table.

Send the bill. We'll show you the rest.