In a word, we're experienced. Our 450 expert technicians, free-in-home consultations, written sales estimates, and competitiv ... e rate financing are just some of the reasons to choose us. We always service what we sell. We're never closed. Call us anytime (24/7) at 1-877-600-GRID (1-877-600-4743). National Grid Energy Services is the premier provider of central heating, air conditioning, water heaters, fireplaces , bbq grills and other indoor and outdoor comfort products. We service New York, New Jersey, Massachusetts and Rhode Island We install new equipment, replace or repair existing equipment, and provide preventative maintenance and emergency services to thousands of homeowners each year. www.nationalgridservices.com read more