Water & Wastewater

Enclosure Cooling for Water Treatment & Pump Station Control Panels

Corrosion-resistant cooling for the harshest utility environments.

Water and wastewater treatment facilities operate some of the most demanding environments for electrical equipment — high humidity, chemical exposure, outdoor installations, and 24/7 operation. Control panels at pump stations, treatment plants, and lift stations need sealed enclosure cooling that can handle corrosive atmospheres without failing. VoltAire's NEMA 4 and 4X enclosure air conditioners deliver the protection your equipment needs at an average of 48% less than published online distributor pricing for the Hoffman and McLean units they replace.

The Challenge

Why Water & Wastewater Cooling Is Hard

Chemical and moisture exposure

Chlorine, hydrogen sulfide, and other treatment chemicals create corrosive atmospheres that attack standard equipment rapidly.

Outdoor pump stations

Remote pump stations and lift stations sit outdoors in every weather condition with no climate-controlled shelter.

Municipal budget constraints

Public utilities operate on tight budgets. Every dollar saved on cooling is a dollar available for infrastructure improvements.

Continuous operation

Water treatment can't stop. Equipment cooling must be reliable enough for 24/7/365 operation at unmanned facilities.

The VoltAire Solution

Built for This

NEMA 4X stainless steel option

304 stainless steel cabinets resist the corrosive atmospheres found in water and wastewater environments. ElectroFin E-coated coils add another layer of protection.

6,000+ hour salt spray rating

Every condenser coil is dipped in Modine Luvata E-Coat — tested to over 6,000 hours of continuous salt spray exposure.

BABA compliant

VoltAire units are manufactured in the USA and meet Build America, Buy America requirements for federally funded infrastructure projects.

Simple, reliable controls

Standard DIP switch temperature controller with fail-safe alarm output. Optional Ethernet monitoring for unmanned stations.

Recommended for Water & Wastewater

The right VoltAire unit depends on your heat load, enclosure size, and environment. Here are the most common fits for water & wastewater applications.

AT04/AT06 (Stainless)

Pump station and lift station control panels. NEMA 4X for corrosive environments.

Configure & Price

AT08/AT12 (Stainless)

Larger treatment plant control rooms and MCC enclosures.

Configure & Price

AN06/AN08

Narrow-profile enclosures at remote monitoring stations.

Configure & Price

Frequently Asked Questions

Common questions about enclosure cooling for water & wastewater.

Are VoltAire units BABA compliant for federally funded water projects?

Yes. All VoltAire enclosure air conditioners are engineered, tested, and manufactured in the United States (Orlando, Florida). They meet Build America, Buy America (BABA) requirements for federally funded infrastructure projects including WIFIA, SRF, and other EPA/USDA programs.

What enclosure cooling is best for a wastewater pump station?

For corrosive wastewater environments, we recommend NEMA 4X stainless steel units. The VoltAire AT04 or AT06 in stainless handles most pump station control panels (4,000-6,000 BTU/hr). The closed-loop design keeps corrosive gases and moisture completely out of the enclosure. For larger installations, the AT08-AT12 provide 8,000-12,000 BTU/hr of cooling capacity.

How does VoltAire compare to Hoffman for water utility applications?

VoltAire units match Hoffman/nVent capacity, voltage, and NEMA ratings at an average of 48% below published online distributor pricing. Many models are bolt-for-bolt replacements with the same mounting pattern and cutout dimensions. Stainless OEM pricing is quote-only; the one stainless pairing with published distributor pricing (July 2026) shows VoltAire 41% less — $4,961 for the AN04RPSXX vs $8,376 published for the nVent N280416G051. Over a fleet of pump stations, that adds up fast.

Specifying cooling for a water or wastewater project?

Specifying cooling for a water or wastewater project? Contact us for BABA-compliant pricing.