Profile: Carr Marketing Ltd is a manufacturer of humidifiers and de-humidifiers equipment using different primary heat sources. Our humidification system is provide a clean, chemical free steam from untreated water, using existing boiler steam as an economical heating source. We also supply metering equipment which is used to measure velocity and temperature, calculate volumetric flow rate & convert between actual & standard readings. Our Accubalance® flow measuring hood provides an easy and fast method of measuring air volume flow through outlets, diffusers & exhaust grills.