Supply New England 640 Boston Post Road Guilford CT 6437 has been in business for over 65 years and offers plumbing power loss and HVAC supplies and solutions. Areas Served: Supply New England has supply house locations in Massachusetts Rhode Island and Connecticut. What Brands Does Supply New England Sell? Supply New England offers name brand HVAC supplies from Honeywell Cerro PDM Airgas Airmate Hart & Cooley Flanders Frigidaire First Company Mammoth Spacepak Diversitech and many others.