Look to Markool Heating & Cooling whenever you’re shopping for a high-efficiency furnace replacement in Brunswick, MD. We carry a variety of whole-house heaters to provide you with terrific options. Upgrading the heating system in your home is a surefire way to ensure your comfort. New models have a life expectancy of 15-20 years. While running at peak performance, a furnace from us will warm up your indoor environment quickly and safely. That’s why a heating installation is a worthwhile investment.