When you need heat pump service in Carlsbad, CA, call Thompson Plumbing Heating & Air Conditioning for help. More and more, reliable heating and cooling in southern California is a necessity. A heat pump installation is a great solution for areas with a milder climate. They are energy efficient because they move heat instead of generating it. In summer, it extracts the heat and humidity from your home. In winter, it collects heat from the outside air and brings it inside. You’re left with a comfortable home environment year-round.