Heatmaster Residential Cooling Guide
Updated August 7, 2026
| Lot number | 17 |
| Estimate | 50.00 - 100.00 USD |
| Auction | Piddle Crick Hill Vol 65 |
| Date | August 13, 2026 at 6:00 PM CDT |
| Auction house | Piddle Crick Hill Auctions |
| Location | Cambridge, ON |
Metal wall-mount Heatmaster Residential Cooling Guide and Metalbestos Calculator by Combustion Engineering, likely from the 1960s-1970s. Durable printed metal construction.
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