Territory We Service

Derek Sawyer's, your very own heating and cooling expert, is at your service in the cities of Modesto, Fresno and Stockton. We strive to provide the best service in California, whether it is a new heating/cooling equipment installation or a tune-up of your existing air-conditioning or furnace.

Additionally, we operate in these areas:

Chico, Yuba City, Gridley, Live Oak, Oroville, Olivehurst, Auburn, Lincoln, Rocklin, Roseville, Woodland, Davis, Sacramento, Placerville, Folsom, Rancho Cordova, Elk Grove, Galt, Lodi, Valley Springs, Stockton, French Camp, Lathrop, Manteca, Tracey, Discovery Bay, Brentwood, Livermore, Pleasonton, Escalon, Sonora, Oakdale, Morada, Woodbridge, Ripon, Salida, Modesto, Patterson, Waterford, Ceres, Turlock, Hughson, Riverbank, Keys, Merced, Fresno, Madera, Los Banos, Newman, Gustine, Walnut creek, Selma.