CareFree Energy Solutions, Hartford

For 10 years, customers have relied on CareFree Energy Solutions' trained technicians, who examine homes and build carefully customized solutions to energy-efficiency conundrums. Dedicated to designing the most appropriate plan of action for each residence, the team conducts complimentary estimates and analyzes name-brand gear instead of shoehorning one-size-fits-all treatments. A slew of testimonials tout the specialists' customer-service skills and energy expertise. By maintaining gutters, insulating attics to prevent the escape of warm-hearted ghosts, and bolstering siding and roofs, they help houses lock in their heat and function smoothly.