Western Mass Heating, Cooling & Plumbing, Inc Share: Construction Western Mass Heating, Cooling & Plumbing, Inc Visit Website Request Info 4S Main Street Suite K Haydenville, MA 01039 (413) 268-7777 About Map About Western Mass preferred HVAC & Plumbing subcontractor servicing Franklin, Hampshire and Hampden counties backed by certified professionals who deliver top notch level of service to our customers. What's Nearby? Distance: 5 10 15 20 25 50 mi.