nVent Hoffman’s ClimaGuard Indoor Heat Exchangers offer reliable closed-loop cooling while sealing out temperature extremes, dirt, dust, corrosive elements and washdown water. This robust heat exchanger allows efficient thermal transfer while ensuring maximum protection against leaks. With ClimaGuard Indoor Heat Exchangers providing a tight seal against air and water infiltration, units can be simply surface-mounted to an enclosure with no loss of enclosure integrity.