Nami Certification

Product Certification:

Manufacturer:	Window Tech Systems, Inc.
Certification:	WTS-M-21
Product series name:	WTS-M-21 6500/7500/8500/9500 Fixed
Operator type:	FIXD
Issue date:	06/18/2026
Expiration:	01/09/2031
Report number:	32362.01-111-24
Product simulated by:	Molimo
Air leakage report no:	32281.02-111-18
Sales material product type:	Aluminum w/Thermal Improvements, NA
Type of certification:	NFRC

Associated Documents

WTS-M-21 CA 06-18-26

WTS-M-21 CAR 06-18-26

NRFC Certificates

WTS-M-21

Product Number	Manufacturer Product Code	Emissivity (Surface #)	U-factor	SHGC	VT	Air Leakage Average	Condensation Resistance
WTS-M-21-00001-00001	3 mm ClimaGuard? 70/ARG/3 mm Clear Float Glass	0.025(2)	0.34	0.31	0.61	0.3	43
WTS-M-21-00002-00001	3 mm ClimaGuard? 70/KRY/3 mm Clear Float Glass	0.025(2)	0.32	0.31	0.61	0.3	44
WTS-M-21-00003-00001	3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard IS-20	0.025(2) 0.198(4)	0.29	0.31	0.59	0.3	44
WTS-M-21-00004-00001	3 mm ClimaGuard? 70/KRY/3 mm ClimaGuard IS-20	0.025(2) 0.198(4)	0.28	0.31	0.59	0.3	44
WTS-M-21-00005-00001	3 mm ClimaGuard? 70/ARG/3 mm Energy Advantage?	0.025(2) 0.164(4)	0.29	0.30	0.57	0.3	44
WTS-M-21-00006-00001	3 mm ClimaGuard 55/27 LE/ARG/3 mm Clear Float Glass	0.031(2)	0.34	0.25	0.49	0.3	43
WTS-M-21-00007-00001	3 mm ClimaGuard 55/27 LE/ARG/3 mm ClimaGuard IS-20	0.031(2) 0.198(4)	0.29	0.24	0.48	0.3	44
WTS-M-21-00008-00001	3 mm ClimaGuard 55/27 LE/ARG/5 mm Clear Float Glass	0.031(2)	0.34	0.25	0.49	0.3	43
WTS-M-21-00009-00001	5 mm ClimaGuard? 70/ARG/3 mm ClimaGuard IS-20	0.025(2) 0.198(4)	0.29	0.30	0.59	0.3	43
WTS-M-21-00010-00001	3 mm ClimaGuard? 70/ARG/Clear laminate (3mm+.030""PVB+3mm)	0.025(2)	0.33	0.31	0.60	0.3	43
WTS-M-21-00011-00001	3 mm ClimaGuard? 70/ARG/3mm clear+ .030""PVB+3mm IS20	0.025(2) 0.198(4)	0.29	0.29	0.49	0.3	43
WTS-M-21-00012-00001	5 mm ClimaGuard? 70/ARG/Clear laminate (3mm+.030""PVB+3mm)	0.025(2)	0.33	0.31	0.60	0.3	43
WTS-M-21-00013-00001	3 mm LoE 180/ARG/3 mm i89	0.068(2) 0.149(4)	0.30	0.56	0.69	0.3	43
WTS-M-21-00014-00001	3 mm LoE? 270/ARG/3 mm Clear Float Glass	0.035(2)	0.34	0.33	0.62	0.3	43
WTS-M-21-00015-00001	3 mm LoE? 270/ARG/3 mm i89	0.035(2) 0.149(4)	0.29	0.32	0.61	0.3	44
WTS-M-21-00016-00001	3 mm LoE? 270/ARG/Clear laminate (3mm+.030""PVB+3mm)	0.035(2)	0.33	0.33	0.61	0.3	43
WTS-M-21-00017-00001	3 mm LoE? 270/ARG/3mm clear+ .030""PVB+3mm i89	0.035(2) 0.149(4)	0.29	0.30	0.50	0.3	42
WTS-M-21-00018-00001	3 mm LoE? 340/ARG/3 mm i89	0.028(2) 0.149(4)	0.29	0.16	0.34	0.3	44
WTS-M-21-00019-00001	3 mm LoE? 366/ARG/3 mm i89	0.02(2) 0.149(4)	0.29	0.24	0.56	0.3	44
WTS-M-21-00020-00001	3 mm LoE? 366/ARG/Clear laminate (3mm+.030""PVB+3mm)	0.02(2)	0.33	0.25	0.57	0.3	43
WTS-M-21-00021-00001	3 mm LoE? 366/ARG/3mm clear+ .030""PVB+3mm i89	0.02(2) 0.149(4)	0.29	0.23	0.46	0.3	43
WTS-M-21-00022-00001	3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard IS-20	0.025(2) 0.025(4) 0.198(6)	0.26	0.24	0.45	0.3	45
WTS-M-21-00023-00001	3 mm ClimaGuard? 70/ARG/3 mm Clear Float Glass/ARG/3 mm ClimaGuard IS-20	0.025(2) 0.198(6)	0.30	0.29	0.54	0.3	44
WTS-M-21-00024-00001	3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard IS-20	0.025(2) 0.025(4) 0.198(6)	0.26	0.24	0.45	0.3	45
WTS-M-21-00025-00001	3 mm ClimaGuard? 70/KRY/3 mm ClimaGuard? 70/KRY/3 mm ClimaGuard IS-20	0.025(2) 0.025(4) 0.198(6)	0.22	0.24	0.45	0.3	45
WTS-M-21-00026-00001	3 mm ClimaGuard? 70/ARG/3 mm Clear Float Glass/ARG/3 mm Clear Float Glass	0.025(2)	0.34	0.30	0.56	0.3	44
WTS-M-21-00027-00001	3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard IS-20	0.025(2) 0.025(4) 0.198(6)	0.26	0.24	0.45	0.3	45
WTS-M-21-00028-00001	3 mm ClimaGuard? 70/ARG/3 mm Clear Float Glass/ARG/3 mm ClimaGuard? 70	0.025(2) 0.025(5)	0.29	0.26	0.47	0.3	44
WTS-M-21-00029-00001	3 mm ClimaGuard? 70/ARG/3 mm ClimaGuard? 70/ARG/2.7mm clear+ .030""PVB+2.7mm clear Guardian IS20	0.025(2) 0.025(4) 0.198(6)	0.26	0.23	0.38	0.3	43
WTS-M-21-00030-00001	3 mm LoE 180/ARG/3 mm LoE 180/ARG/3 mm i89	0.068(2) 0.068(4) 0.149(6)	0.27	0.47	0.61	0.3	44
WTS-M-21-00031-00001	3 mm LoE? 270/ARG/3 mm LoE 180/ARG/3 mm i89	0.035(2) 0.068(4) 0.149(6)	0.26	0.29	0.53	0.3	45
WTS-M-21-00032-00001	3 mm LoE? 270/ARG/3 mm LoE 180/ARG/3 mm i89	0.035(2) 0.068(4) 0.149(6)	0.26	0.29	0.53	0.3	45
WTS-M-21-00033-00001	3 mm LoE? 340/ARG/3 mm LoE 180/ARG/3 mm i89	0.028(2) 0.068(4) 0.149(6)	0.26	0.14	0.30	0.3	45
WTS-M-21-00034-00001	3 mm LoE? 366/ARG/3 mm LoE 180/ARG/3 mm i89	0.02(2) 0.068(4) 0.149(6)	0.26	0.22	0.49	0.3	45
WTS-M-21-00035-00001	3 mm LoE? 366/ARG/3 mm LoE 180/ARG/3 mm i89	0.02(2) 0.068(4) 0.149(6)	0.26	0.22	0.49	0.3	45
WTS-M-21-00036-00001	3 mm LoE? 366/ARG/3 mm LoE 180/ARG/2.7mm clear+ .030""PVB+2.7mm I89	0.02(2) 0.068(4) 0.149(6)	0.26	0.21	0.41	0.3	44
WTS-M-21-00037-00001	4 mm LoE? 366/VIG/4 mm Clear Float Glass/ARG/3 mm Clear Float Glass	0.02(2)	0.18	0.22	0.52	0.3	45
WTS-M-21-00038-00001	4 mm LoE? 366/VIG/4 mm Clear Float Glass/ARG/3 mm i89	0.02(2) 0.149(6)	0.16	0.22	0.51	0.3	45
WTS-M-21-00039-00001	4 mm LoE? 366/VIG/4 mm Clear Float Glass/ARG/5 mm Clear Float Glass	0.02(2)	0.18	0.22	0.52	0.3	45
WTS-M-21-00040-00001	4 mm LoE? 366/VIG/4 mm Clear Float Glass/ARG/5 mm i89	0.02(2) 0.149(6)	0.17	0.22	0.50	0.3	45
WTS-M-21-00041-00001	3 mm LoE? 366/ARG/3 mm Clear Float Glass	0.02(2)	0.34	0.25	0.57	0.3	43
WTS-M-21-00042-00001	4 mm LoE? 366/VIG/4 mm Clear Float Glass	0.02(2)	0.18	0.24	0.57	0.3	25

Product Certification:

Programs

Quick links

WTS-M-21 6500/7500/8500/9500 Fixed

Product Certification:

Associated Documents

NRFC Certificates

WTS-M-21