Hey Joel, We recently rented a reefer from Kelly Freezer in CT for treating some taxidermy. We set it to -30C. Datalogger reported -27 to -28C, doing two batches over several weeks. This was over the winter in Maine, so maybe less challenging than Virginia in the summertime.
Power hookup was 3 phase 460/480v (30-amp breaker) They sell units as well and were friendly to work with. https://kellyfreezer.com/index.php Mike From: pestlist@googlegroups.com <pestlist@googlegroups.com> on behalf of Anderson, Gretchen <anders...@carnegiemnh.org> Date: Thursday, July 13, 2023 at 11:55 AM To: pestlist@googlegroups.com <pestlist@googlegroups.com> Subject: Re: [PestList] Re: Walk in Freezer Question You could also rent a freezer truck. Gretchen Sent from my iPhone On Jul 13, 2023, at 11:07 AM, 'Sarah Taylor' via MuseumPests <pestlist@googlegroups.com> wrote: CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Hello Joel, Our staff recently experimented with outdoor freezing. This occurred in south-central Wisconsin in late May to mid-June, with outdoor temperatures exceeding 90 F on some days. We had a high volume of large objects (furniture size) that needed immediate treatment, so we rented a large freezer semitrailer and parked it on our grounds for a month (padlocked, refueled several times—no electricity needed). The trailer maintained temperatures between roughly -12 and -23, which we confirmed with two Bluetooth HOBO monitors. Despite being parked in full sunlight, the trailer was able to cool down to those temps very quickly, and then acclimated to ambient temperatures gradually enough upon treatment completion so as not to damage artifacts. To answer your question, I think your plan is feasible with the right budget. Free-standing outdoor freezer units are out there in the market. (EX: https://polarking.com/products/walk-in-freezers/<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fpolarking.com%2fproducts%2fwalk-in-freezers%2f&c=E,1,hwiEBD17SBBX2ys3gc3iJdhXr_-ztdDCpofkggs-3RcC9nPxDjZoXBeAnit2DIaFhtBPWgMakJRBgc2xhZxK8_SDA_5BnPYZvfjJKwgHbets&typo=1>) Good luck! Sarah Taylor (she/her/hers) Assistant Collections Manager Division of Library, Archives, and Museum Collections Wisconsin Historical Society State Archive Preservation Facility (SAPF) 204 South Thornton Avenue, Madison, WI 53703 sarah.tay...@wisconsinhistory.org Wisconsin Historical Society Collecting, Preserving, and Sharing Stories Since 1846<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.wisconsinhistory.org%2f%3futm_source%3dEmail%2520Signatures%26amp%3butm_medium%3demail%26amp%3butm_campaign%3dsi&c=E,1,Ecpq3BY6VRLKNAxg9DBPCXeGZ3XU_kxEjTioy-fasXF-V6IP9THfyYFMuIVnxmSwe7RoLjgtzr8hGmYBpsrPMKy3YFIrvAtUWqTMx4GgdqIYmCPPYrCb&typo=1> ________________________________ From: 'Heidi Taylor' via MuseumPests <pestlist@googlegroups.com> Sent: Thursday, July 13, 2023 9:57 AM To: pestlist@googlegroups.com <pestlist@googlegroups.com> Subject: [PestList] RE: Walk in Freezer Question Hi, For a recent exhibition where there would be raw wood items (dugout canoe and support blocks) that had been sitting outside we used one. We rented an 8 x 20' Walk in and had it parked at our loading dock. We had a padlock on the door and we have rotating Security. It was in the hot sun on concrete and it worked very well, though I think shade would be beneficial. We had a Bluetooth thermometer inside to monitor so we didn’t have to open all the time to check. Maybe you could slowly raise the temp of the freezer until it reaches Gallery temp? You need to have an electrical source that it powerful enough. Our electricians were able to put in a new breaker for it. Cheers! Heidi Taylor [she/her/hers] Associate Registrar of Acquisitions and Loans The John and Mable Ringling Museum of Art 941.358.2644 (Please note new phone number) 941.358.2689 Registration office heidi.tay...@ringling.org www.ringling.org<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.ringling.org&c=E,1,vJJBnDLAmvvdd8GDSrBTiMwlzXw17g3z5mW8kSJqw2VBzX7ErBJc-9nVN3mYE3HHPWsdiJ27Ft_w5PiaEmCg5aX-8n6TxIdE8Z9YsIR6xciqdsbUOgXiSJLYOQqY&typo=1> -----Original Message----- From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Voron, Joel Sent: Thursday, July 13, 2023 10:41 AM To: Museumpests <pestlist@googlegroups.com> Subject: [PestList] Walk in Freezer Question Does anyone have a walk-in freezer for cold treatments that is freestanding outside? We do not have interior space for one. I am thinking a shade pavilion overhead to cut down on blazing sun on a concrete pad with security fencing and cameras. Cutting it off to wait for acclimatization of the objects. Is this a terrible idea or possibly doable? Joel Voron Colonial Williamsburg Foundation Conservation Dept. 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