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<http://schema.org/description>
"Green installed a whole house humidifier and made some adjustments to heat/AC drain pipe after recent remodeling. I was surprised by the price, (which they renegotiated, and applied a Yellow Pages ad coupon I had not seen beforehand). I cannot compare price as I got no other other estimates because I used Green before and they were so completely responsive, thorough and efficient. I was in a hurry to have this humidifier installed for medical reasons, and they responded very quickly. I intend to use Green for all home HVAC needs."
<https://www.greenhvacair.com/residential/indoor-air-quality/>