About Us Family owned and in the same location since 1741, Cowls Building Supply serves the residents of Western Massachusetts with a unique combination of lumber, building materials, paint, hardware, and expert, friendly service. Cowls Building Supply ha
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Other Available Products
- Lumber
- Roofing
- Siding
- Tools & Equipment
- Lumber
- Roofing
- Siding
- Tools & Equipment
Services Offered
- Custom Cutting
- Custom Millwork
- Custom Cutting
- Custom Millwork
Delivery Options
- In-store Pickup
- Job Site Delivery
- Curbside Pickup
- In-store Pickup
- Job Site Delivery
- Curbside Pickup
Nearest Cities & Window Savings
Households located in Hatfield upgrading from dual pane windows to EnergyStar Rated windows should notice energy bill declines of approximately $109.07. On the other hand, when upgrading single-pane windows to National's EnergyStar rated windows you may save approximately $307.61 per year. Read More...
People living in South Deerfield upgrading from dual pane windows to EnergyStar Rated windows can expect to have heating & cooling costs savings of approximately $108.29. In contrast, when upgrading single-pane windows to National's EnergyStar rated windows you could save about $301.85 every year. Read More...
Residents of Northampton upgrading from dual pane windows to EnergyStar Rated windows should notice electricity expenditures decreases of around $108.69. By comparison, when upgrading single-pane windows to National's EnergyStar rated windows you may save approximately $304.84 per annum. Read More...
Residents of Deerfield upgrading from dual pane windows to EnergyStar Rated windows are likely to experience home energy bill drops of around $108.37. On the other hand, when upgrading single-pane windows to National's EnergyStar rated windows you could save approximately $302.47 per annum. Read More...
Homeowners in Granby upgrading from dual pane windows to EnergyStar Rated windows may see electricity expenditures drops of around $107.98. In contrast, when replacing single-pane windows to National's EnergyStar rated windows you may save about $299.62 per annum. Read More...
Homes in Belchertown upgrading from dual pane windows to EnergyStar Rated windows should notice electricity bill savings of around $108.51. Whereas, when replacing single-pane windows to National's EnergyStar rated windows you may save about $303.47 annually. Read More...