Since 1995-96, the Ottawa Senators have the best save percentage by a team in a season, at .933 in 2012-13.

best save percentage since 1996 by team in a season

TEAM	SV%	SEASON	GP	W	L	T	OTL	PTS	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
Ottawa Senators	.933	2012-13	48	25	17		6	56	.583	112	100	15.9	88.0	33.15	31.29
Boston Bruins	.930	2010-11	82	46	25		11	103	.628	244	189	16.2	82.6	32.88	32.71
St. Louis Blues	.929	2011-12	82	49	22		11	109	.665	206	155	16.7	85.8	30.63	26.71
Boston Bruins	.929	2022-23	82	65	12		5	135	.823	301	174	22.2	87.3	32.98	29.84
Buffalo Sabres	.929	1998-99	82	37	28	17		91	.555	207	175	13.5	86.2	26.22	30.01
Boston Bruins	.928	2013-14	82	54	19		9	117	.713	258	171	21.7	83.7	31.87	29.09
Vancouver Canucks	.927	2010-11	82	54	19		9	117	.713	258	180	24.3	85.6	32.00	30.12
Buffalo Sabres	.927	1997-98	82	36	29	17		89	.543	211	187	12.9	84.3	26.49	31.22
Montreal Canadiens	.926	2014-15	82	50	22		10	110	.671	214	184	16.5	83.7	28.46	30.12
Phoenix Coyotes	.925	2011-12	82	42	27		13	97	.591	210	194	13.5	85.5	29.62	31.62
Chicago Blackhawks	.925	2014-15	82	48	28		6	102	.622	220	186	17.6	83.4	33.87	30.21
Boston Bruins	.925	2008-09	82	53	19		10	116	.707	270	190	23.6	82.4	30.27	30.79
New York Islanders	.925	2018-19	82	48	27		7	103	.628	223	191	14.5	79.9	28.78	30.90
Vancouver Canucks	.924	2011-12	82	51	22		9	111	.677	241	191	19.8	86.0	31.50	30.80
Los Angeles Kings	.924	2011-12	82	40	27		15	95	.579	188	170	17.0	87.0	30.60	27.41
Nashville Predators	.924	2010-11	82	44	27		11	99	.604	213	190	15.2	84.9	28.80	30.61
Minnesota Wild	.924	2002-03	82	42	29	10	1	95	.579	198	178	14.2	86.0	25.44	28.48
Buffalo Sabres	.924	1996-97	82	40	30	12		92	.561	237	208	13.2	83.8	25.49	33.27
Nashville Predators	.923	2017-18	82	53	18		11	117	.713	261	204	21.3	81.9	32.21	32.43
Minnesota Wild	.923	2003-04	82	30	29	20	3	83	.506	188	183	13.6	84.5	24.17	29.06
Anaheim Ducks	.923	2017-18	82	44	25		13	101	.616	231	209	17.8	83.3	30.18	33.12
Chicago Blackhawks	.923	2012-13	48	36	7		5	77	.802	149	97	16.7	87.2	31.13	26.21
San Jose Sharks	.923	2003-04	82	43	21	12	6	104	.634	219	183	16.6	85.3	28.05	28.94
Dallas Stars	.923	2018-19	82	43	32		7	93	.567	209	200	21.0	82.8	30.72	31.60
Boston Bruins	.923	2012-13	48	28	14		6	62	.646	127	106	14.8	87.1	32.44	28.60