Refrigeration Quick Selection Guide

REFRIGERATION QUICK SELECTION GUIDE
BTUH LOAD
BOX SIZE	FLOOR SQ FT	+35°F BOX TEMP		+30°F BOX TEMP		0°F BOX TEMP		-10°F BOX TEMP		-20°F BOX TEMP
		AVERAGE	HEAVY	AVERAGE	HEAVY	AVERAGE	HEAVY	AVERAGE	HEAVY	AVERAGE	HEAVY
6 X 6 X 8	36	4750	6389	4488	6037	4583	6505	4929	7041	5274	7577
6 X 8 X 8	48	5417	7274	5119	6874	5225	7407	5630	8028	6034	8648
6 X 10 X 8	60	6055	8100	5722	7655	5806	8213	6265	8911	6725	9609
6 X 12 X 8	72	6593	8791	6230	8308	6296	8887	6799	9648	7304	10410
6 X 14 X 8	84	7131	9482	6738	8961	6784	9561	7333	10385	7883	11210
6 X 16 X 8	96	7669	10174	7247	9614	7273	10234	7867	11123	8461	12011
6 X 18 X 8	108	8207	10864	7754	10267	7762	10909	8401	11859	9041	12813

8 X 8 X 8	64	6188	8291	5848	7835	5934	8410	6405	9127	6876	9844
8 X 10 X 8	80	6954	9269	6572	8759	6631	9363	7165	10169	7699	10974
8 X 12 X 8	96	7669	10174	7247	9614	7273	10234	7867	11123	8461	12011
8 X 14 X 8	112	8366	11045	7905	10437	7922	11092	8575	12059	9227	13026
8 X 16 X 8	128	9051	11888	8553	11234	8528	11890	9237	12933	9946	13976
8 X 18 X 8	144	9748	12732	9212	12032	9169	12732	9936	13852	10702	14972
8 X 20 X 8	160	10419	13548	9846	12803	9755	13490	10576	14682	11397	15874
8 X 22 X 8	176	11540	14807	10905	13992	10817	14715	11692	15977	12567	17239
8 X 24 X 8	192	12224	15622	11552	14763	11386	15439	12314	16769	13242	18099

10 X 10 X 8	100	7789	10339	7361	9770	7386	10401	7990	11304	8594	12208
10 X 12 X 8	120	8626	11385	8152	10759	8138	11405	8809	12401	9481	13397
10 X 14 X 8	140	9439	12384	8920	11703	8887	12405	9626	13493	10365	14581
10 X 16 X 8	160	10250	13379	9686	12643	9577	13311	10379	14484	11182	15658
10 X 18 X 8	180	11049	14349	10441	13560	10279	14216	11144	15472	12009	16728
10 X 20 X 8	200	11838	15299	11187	14458	10942	15070	11868	16405	12794	17741
10 X 24 X 8	240	13391	17180	12654	16207	12751	17231	13796	18721	14842	20211
10 X 28 X 8	280	14891	18922	14072	17881	14043	18844	15205	20482	16367	22120
10 X 30 X 8	300	16444	20803	15339	19630	15852	21005	17133	22798	18415	24590
10 X 32 X 8	320	17997	22684	17006	21379	17661	23136	19061	25114	20463	27060

12 X 12 X 8	144	10038	13021	9486	12305	8991	12553	9739	13655	10486	14756
12 X 14 X 8	168	10956	14155	10353	13376	10235	14052	11055	15251	11875	16450
12 X 16 X 8	192	11886	15284	11232	14443	11029	15082	11919	16375	12810	17667
12 X 18 X 8	216	12775	16359	12072	15459	11807	16080	12767	17464	13726	18847
12 X 20 X 8	240	13681	17440	12928	16481	12573	17052	13599	18524	14626	19995
12 X 22 X 8	264	14549	18474	13749	17458	13299	17974	14392	19541	15485	21088
12 X 24 X 8	288	16434	20793	15329	19620	15842	20995	17123	22788	18405	24580
12 X 26 X 8	312	17987	22674	16996	21369	17651	23126	19051	25104	20453	27050
12 X 28 X 8	336	19872	24993	18663	23531	20194	26147	21782	28351	23373	30542
12 X 30 X 8	360	21757	27312	20330	25693	22737	29168	25513	31598	26293	34034
12 X 32 X 8	384	23642	29631	21997	27855	25280	32189	28244	34845	29213	37055
12 X 34 X 8	408	25527	31950	23664	30017	27823	35210	31975	38092	32133	40547
12 X 36 X 8	432	27412	34269	25331	32179	30366	38231	34706	41339	35053	44039
12 X 38 X 8	456	29297	36588	26998	34341	32909	41252	37437	44586	37973	47531
12 X 40 X 8	480	31182	38907	28665	36503	35454	44273	40168	47833	40893	51023
HEAVY USAGE IS DEFINED AS TWO TIMES THE AVERAGE AIR CHANGE.
AVERAGE AIR CHANGES DETERMINED BY ASHRAE BASED ON BOX SIZE PER 24 HOUR PERIOD.