Call us at the phone number below for a quick solution to any commercial heating or air conditioning problems. We will be right out to evaluate the situation and provide you with an estimate. All costs are know before we start work, no hidden costs. This work practice has earned our customers trust and since 1984. R.B Spencer, Inc. authorized Lennox premier ® Dealer serving Colusa County, Nevada County, Placer County, Solano County, Yuba County and Sutter County.