At OC Services Heating and Air Conditioning we’re passionate about providing Keller with the best heating and air conditioning repair service, sales and installations. We treat every furnace and air conditioner repair and install as if we were working for our own families. What makes OC services the leading Keller Texas air conditioning and heating contractor? It’s our people! You’ll be thrilled with our 24 hour service Heating and Air Conditioning Service from the whole OC Services air conditioning repair family.