How to Clean HVAC Coils - Expert Solutions
2021-9-5 · Coils can be steam cleaned but require extra care. Steam must be applied at low pressure, and the stream kept parallel to the fins to prevent folding the fins over. Another popular coil cleaning method employs a garden-type pump sprayer to apply foaming chemicals to the coil surfaces. The foam is allowed to dwell on the surface to saturate the ...
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