End Your Search for an HVAC Contractor TRUST WALNUT VALLEY HEATING & COOLING IN WINFIELD, KS Is your air conditioning struggling to cool your home? Need a new furnace before winter sets in? Walnut Valley Heating & Cooling can meet all your HVAC needs in Winfield, KS. Our HVAC services include heating and air conditioning repairs, maintenance and installations. We install Rheem HVAC units due to their dependability and quietness. Whether you need a new air conditioning unit or heat pump, we'll do whatever it takes to make your home comfortable. Email us now for a free estimate from our HVAC contractor. We serve Winfield and Cowley County.