{"id":7292,"date":"2025-01-22T17:19:17","date_gmt":"2025-01-22T17:19:17","guid":{"rendered":"https:\/\/www.naimacanada.ca\/?page_id=7292"},"modified":"2025-01-23T14:20:34","modified_gmt":"2025-01-23T14:20:34","slug":"thermal-requirements-zone-2-ontario","status":"publish","type":"page","link":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/","title":{"rendered":"Thermal Requirements for Climate Zone 2 Ontario"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Hero section&#8221; _builder_version=&#8221;3.29.3&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;rgba(150,105,97,0.67)&#8221; background_color_gradient_end=&#8221;rgba(2,0,76,0.84)&#8221; background_color_gradient_overlays_image=&#8221;on&#8221; background_image=&#8221;https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2019\/10\/Screen-Shot-2019-10-09-at-3.42.59-PM.png&#8221; background_position=&#8221;top_center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;1.5%||3.8%|||&#8221;][et_pb_row _builder_version=&#8221;3.29.3&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;12px||10px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;1px|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.9.2&#8243; text_font=&#8221;Lato||||||||&#8221; text_font_size=&#8221;20px&#8221; text_line_height=&#8221;1.8em&#8221; header_font=&#8221;Lato|900|||||||&#8221; header_font_size=&#8221;80px&#8221; header_letter_spacing=&#8221;2px&#8221; header_line_height=&#8221;1.2em&#8221; background_layout=&#8221;dark&#8221; custom_margin=&#8221;||17px|||&#8221; hover_enabled=&#8221;0&#8243; header_font_size_tablet=&#8221;46px&#8221; header_font_size_phone=&#8221;&#8221; header_font_size_last_edited=&#8221;on|tablet&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1>Ontario Climate Zone 2 Thermal Requirements<\/h1>\n<p>The climate zones are under the jurisdiction of provincial governments and may differ from those in the national model codes. When the harmonized system of the Canadian Model Building Code is adopted, provincial governments may choose to adopt or adapt the climate zones.<\/p>\n<p>This information is for Ontario Climate Zone 2, Southern and Eastern Ontario (more than 5000 HDD), and compliance packages for fuel fired and electric space heating equipment.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Featured Places&#8221; _builder_version=&#8221;3.22&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;#ffffff&#8221; background_color_gradient_end=&#8221;#e8eefc&#8221; custom_margin=&#8221;-26px|||||&#8221; custom_padding=&#8221;27px|0px|49px|0px||&#8221;][et_pb_row _builder_version=&#8221;3.29.3&#8243; custom_margin=&#8221;-16px|auto||auto||&#8221; custom_padding=&#8221;9px|||||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.27.4&#8243;][et_pb_tabs _builder_version=&#8221;4.9.2&#8243;][et_pb_tab title=&#8221;Package A1&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ontario Climate Zone 2, Compliance Package A1<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7294 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram-1024x791.png\" alt=\"\" width=\"864\" height=\"668\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package A1:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: Eff. RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.34 + 0.88 ci (R19 + 5 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 (R60)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package A2&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package A2<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7296 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A2-AFUE-92-plus-diagram-1024x791.png\" alt=\"\" width=\"888\" height=\"686\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package A2:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.34 + 1.76 ci (R19 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 8.80 (R50)<\/li>\n<li>Floors Over Unheated Spaces: RSI 6.16 (R35)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package A3&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package A3<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7298 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A3-AFUE-92-plus-diagram-1024x791.png\" alt=\"\" width=\"865\" height=\"668\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package A3:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 0.88 ci (R22 + 5 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 + HH (R60 + high heel truss)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 2.11 + 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package A4&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package A4<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7300 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A4-AFUE-92-plus-diagram-1024x791.png\" alt=\"\" width=\"888\" height=\"686\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package A4:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.32 ci (R22 + 8 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 (R60)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package A5&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package A5<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7302 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A5-AFUE-92-plus-diagram-1024x791.png\" alt=\"\" width=\"892\" height=\"689\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package A5:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.34 + 1.76 ci (R19 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 (R60)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package A6&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package A6<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7304 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A6-AFUE-92-plus-diagram-1024x791.png\" alt=\"\" width=\"931\" height=\"719\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package A6:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.32 ci (R22 + 8 ci)<\/li>\n<li>Ceilings Below Attics: RSI 8.80 (R50)<\/li>\n<li>Floors Over Unheated Spaces: RSI 6.16 (R35)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package B1&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package B1<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7306 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-B1-AFUE-84-to-92-diagram-1024x791.png\" alt=\"\" width=\"945\" height=\"730\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package B1:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.32 ci (R22 + 8 ci)<\/li>\n<li>Ceilings Below Attics: RSI 8.80 (R50)<\/li>\n<li>Floors Over Unheated Spaces: RSI 6.16 (R35)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package B2&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package B2<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7308 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-B2-AFUE-84-to-92-diagram-1024x791.png\" alt=\"\" width=\"923\" height=\"713\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package B2:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.32 ci (R22 + 8 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 (R60)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 2.11 + 1.76 ci (R12 + 10 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package B3&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package B3<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7310 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-B3-AFUE-84-to-92-diagram-1024x791.png\" alt=\"\" width=\"918\" height=\"709\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package B3:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.76 ci (R22 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 + HH (R60 + high heel truss)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 + 1.76 ci (R31 + 10 ci)<\/li>\n<li>Foundation Wall: RSI 3.52 + 1.76 ci (R20 + 10 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package B4&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package B4<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7312 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-B4-AFUE-84-to-92-diagram-1024x791.png\" alt=\"\" width=\"922\" height=\"712\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package B4:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.76 ci (R22 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 + HH (R60 + high heel truss)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 3.52 + 1.76 ci (R20 + 10 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package B5&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package B5<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7314 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-B5-AFUE-84-to-92-diagram-1024x791.png\" alt=\"\" width=\"904\" height=\"698\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package B5:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.387 + 1.76 ci (R22 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 8.80 (R50)<\/li>\n<li>Floors Over Unheated Spaces: RSI 6.16 (R35)<\/li>\n<li>Foundation Wall: RSI 3.52 + 2.11 ci (R20 + 12 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package B6&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package B6<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7316 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-B6-AFUE-84-to-92-diagram-1024x791.png\" alt=\"\" width=\"904\" height=\"698\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package B6:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.76 ci (R22 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 (R60)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 (R31)<\/li>\n<li>Foundation Wall: RSI 3.52 + 2.11 ci (R20 + 12 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package C1&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package C1<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7318 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-C1-Electric-diagram-1024x791.png\" alt=\"\" width=\"879\" height=\"679\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package C1:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 4.22 + 1.76 ci (R24 + 10 ci)<\/li>\n<li>Ceilings Below Attics: RSI 10.56 + HH (R60 + high heel truss)<\/li>\n<li>Floors Over Unheated Spaces: RSI 5.46 + 1.76 ci (R31 + 10 ci)<\/li>\n<li>Foundation Wall: RSI 3.52 + 2.11 ci (R20 + 12 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Package C2&#8243; _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<h2>Thermal Requirements for Ont CZ 2, Compliance Package C2<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7320 alignnone \" src=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-C2-Electric-diagram-1024x791.png\" alt=\"\" width=\"917\" height=\"708\" \/><\/p>\n<h4>Thermal Requirements for Ontario Climate Zone 2 Compliance Package C2:<\/h4>\n<ul>\n<li>Cathedral Ceiling\/Flat Roofs: RSI 5.46 (R31)<\/li>\n<li>Exterior Walls: RSI 3.87 + 1.32 ci (R22 + 8 ci)<\/li>\n<li>Ceilings Below Attics: RSI 8.80 (R50)<\/li>\n<li>Floors Over Unheated Spaces: RSI 6.16 (R35)<\/li>\n<li>Foundation Wall: RSI 3.52 ci (R20 ci)<\/li>\n<li>Sub-Slab (Basement): RSI 1.76 (R10)<\/li>\n<li>Slab on Grade with Integral Footing: RSI 1.76 (R10)<\/li>\n<\/ul>\n<p>[\/et_pb_tab][\/et_pb_tabs][et_pb_text _builder_version=&#8221;4.9.2&#8243;]<\/p>\n<p>This summary is offered for informational purposes only. It does not purport to be an exhaustive analysis of the Canadian codes or changes to the code or provide advice that will ensure guaranteed compliance with any energy or building code provision. Please consult with local authorities finalizing your installation plans.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Hero section&#8221; _builder_version=&#8221;3.29.3&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;rgba(150,105,97,0.67)&#8221; background_color_gradient_end=&#8221;rgba(2,0,76,0.84)&#8221; background_color_gradient_overlays_image=&#8221;on&#8221; background_image=&#8221;https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2019\/10\/Screen-Shot-2019-10-09-at-3.42.59-PM.png&#8221; background_position=&#8221;top_center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;1.5%||3.8%|||&#8221;][et_pb_row _builder_version=&#8221;3.29.3&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;12px||10px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;1px|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.9.2&#8243; text_font=&#8221;Lato||||||||&#8221; text_font_size=&#8221;20px&#8221; text_line_height=&#8221;1.8em&#8221; header_font=&#8221;Lato|900|||||||&#8221; header_font_size=&#8221;80px&#8221; header_letter_spacing=&#8221;2px&#8221; header_line_height=&#8221;1.2em&#8221; background_layout=&#8221;dark&#8221; custom_margin=&#8221;||17px|||&#8221; hover_enabled=&#8221;0&#8243; header_font_size_tablet=&#8221;46px&#8221; header_font_size_phone=&#8221;&#8221; header_font_size_last_edited=&#8221;on|tablet&#8221; sticky_enabled=&#8221;0&#8243;] Ontario Climate Zone 2 Thermal Requirements The climate zones are under the jurisdiction of provincial governments and may differ from [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-7292","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thermal Requirements for Climate Zone 2 Ontario - NAIMA Canada<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thermal Requirements for Climate Zone 2 Ontario - NAIMA Canada\" \/>\n<meta property=\"og:description\" content=\"[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Hero section&#8221; _builder_version=&#8221;3.29.3&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;rgba(150,105,97,0.67)&#8221; background_color_gradient_end=&#8221;rgba(2,0,76,0.84)&#8221; background_color_gradient_overlays_image=&#8221;on&#8221; background_image=&#8221;https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2019\/10\/Screen-Shot-2019-10-09-at-3.42.59-PM.png&#8221; background_position=&#8221;top_center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;1.5%||3.8%|||&#8221;][et_pb_row _builder_version=&#8221;3.29.3&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;12px||10px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;1px|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.9.2&#8243; text_font=&#8221;Lato||||||||&#8221; text_font_size=&#8221;20px&#8221; text_line_height=&#8221;1.8em&#8221; header_font=&#8221;Lato|900|||||||&#8221; header_font_size=&#8221;80px&#8221; header_letter_spacing=&#8221;2px&#8221; header_line_height=&#8221;1.2em&#8221; background_layout=&#8221;dark&#8221; custom_margin=&#8221;||17px|||&#8221; hover_enabled=&#8221;0&#8243; header_font_size_tablet=&#8221;46px&#8221; header_font_size_phone=&#8221;&#8221; header_font_size_last_edited=&#8221;on|tablet&#8221; sticky_enabled=&#8221;0&#8243;] Ontario Climate Zone 2 Thermal Requirements The climate zones are under the jurisdiction of provincial governments and may differ from [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/\" \/>\n<meta property=\"og:site_name\" content=\"NAIMA Canada\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NAIMACanadaAssociation\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-23T14:20:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1056\" \/>\n\t<meta property=\"og:image:height\" content=\"816\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@NAIMACanada\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/\",\"url\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/\",\"name\":\"Thermal Requirements for Climate Zone 2 Ontario - NAIMA Canada\",\"isPartOf\":{\"@id\":\"https:\/\/www.naimacanada.ca\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram-1024x791.png\",\"datePublished\":\"2025-01-22T17:19:17+00:00\",\"dateModified\":\"2025-01-23T14:20:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#primaryimage\",\"url\":\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram.png\",\"contentUrl\":\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram.png\",\"width\":1056,\"height\":816},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.naimacanada.ca\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Thermal Requirements for Climate Zone 2 Ontario\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.naimacanada.ca\/#website\",\"url\":\"https:\/\/www.naimacanada.ca\/\",\"name\":\"NAIMA Canada\",\"description\":\"Representing mineral fiber insulation\",\"publisher\":{\"@id\":\"https:\/\/www.naimacanada.ca\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.naimacanada.ca\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.naimacanada.ca\/#organization\",\"name\":\"NAIMA Canada\",\"url\":\"https:\/\/www.naimacanada.ca\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.naimacanada.ca\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2023\/02\/Untitled-design.png\",\"contentUrl\":\"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2023\/02\/Untitled-design.png\",\"width\":696,\"height\":696,\"caption\":\"NAIMA Canada\"},\"image\":{\"@id\":\"https:\/\/www.naimacanada.ca\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/NAIMACanadaAssociation\",\"https:\/\/x.com\/NAIMACanada\",\"https:\/\/www.linkedin.com\/company\/naima-canada\",\"https:\/\/www.youtube.com\/channel\/UCauv_axmumsiji_T-WzF3Ng\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Thermal Requirements for Climate Zone 2 Ontario - NAIMA Canada","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/","og_locale":"en_US","og_type":"article","og_title":"Thermal Requirements for Climate Zone 2 Ontario - NAIMA Canada","og_description":"[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Hero section&#8221; _builder_version=&#8221;3.29.3&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;rgba(150,105,97,0.67)&#8221; background_color_gradient_end=&#8221;rgba(2,0,76,0.84)&#8221; background_color_gradient_overlays_image=&#8221;on&#8221; background_image=&#8221;https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2019\/10\/Screen-Shot-2019-10-09-at-3.42.59-PM.png&#8221; background_position=&#8221;top_center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;1.5%||3.8%|||&#8221;][et_pb_row _builder_version=&#8221;3.29.3&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;12px||10px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;1px|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.9.2&#8243; text_font=&#8221;Lato||||||||&#8221; text_font_size=&#8221;20px&#8221; text_line_height=&#8221;1.8em&#8221; header_font=&#8221;Lato|900|||||||&#8221; header_font_size=&#8221;80px&#8221; header_letter_spacing=&#8221;2px&#8221; header_line_height=&#8221;1.2em&#8221; background_layout=&#8221;dark&#8221; custom_margin=&#8221;||17px|||&#8221; hover_enabled=&#8221;0&#8243; header_font_size_tablet=&#8221;46px&#8221; header_font_size_phone=&#8221;&#8221; header_font_size_last_edited=&#8221;on|tablet&#8221; sticky_enabled=&#8221;0&#8243;] Ontario Climate Zone 2 Thermal Requirements The climate zones are under the jurisdiction of provincial governments and may differ from [&hellip;]","og_url":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/","og_site_name":"NAIMA Canada","article_publisher":"https:\/\/www.facebook.com\/NAIMACanadaAssociation","article_modified_time":"2025-01-23T14:20:34+00:00","og_image":[{"width":1056,"height":816,"url":"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_site":"@NAIMACanada","twitter_misc":{"Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/","url":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/","name":"Thermal Requirements for Climate Zone 2 Ontario - NAIMA Canada","isPartOf":{"@id":"https:\/\/www.naimacanada.ca\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#primaryimage"},"image":{"@id":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#primaryimage"},"thumbnailUrl":"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram-1024x791.png","datePublished":"2025-01-22T17:19:17+00:00","dateModified":"2025-01-23T14:20:34+00:00","breadcrumb":{"@id":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#primaryimage","url":"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram.png","contentUrl":"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2025\/01\/Zone-2-Pkg-A1-AFUE-92-plus-diagram.png","width":1056,"height":816},{"@type":"BreadcrumbList","@id":"https:\/\/www.naimacanada.ca\/thermal-requirements-zone-2-ontario\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.naimacanada.ca\/"},{"@type":"ListItem","position":2,"name":"Thermal Requirements for Climate Zone 2 Ontario"}]},{"@type":"WebSite","@id":"https:\/\/www.naimacanada.ca\/#website","url":"https:\/\/www.naimacanada.ca\/","name":"NAIMA Canada","description":"Representing mineral fiber insulation","publisher":{"@id":"https:\/\/www.naimacanada.ca\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.naimacanada.ca\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.naimacanada.ca\/#organization","name":"NAIMA Canada","url":"https:\/\/www.naimacanada.ca\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.naimacanada.ca\/#\/schema\/logo\/image\/","url":"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2023\/02\/Untitled-design.png","contentUrl":"https:\/\/www.naimacanada.ca\/wp-content\/uploads\/2023\/02\/Untitled-design.png","width":696,"height":696,"caption":"NAIMA Canada"},"image":{"@id":"https:\/\/www.naimacanada.ca\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/NAIMACanadaAssociation","https:\/\/x.com\/NAIMACanada","https:\/\/www.linkedin.com\/company\/naima-canada","https:\/\/www.youtube.com\/channel\/UCauv_axmumsiji_T-WzF3Ng"]}]}},"_links":{"self":[{"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/pages\/7292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/comments?post=7292"}],"version-history":[{"count":5,"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/pages\/7292\/revisions"}],"predecessor-version":[{"id":7331,"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/pages\/7292\/revisions\/7331"}],"wp:attachment":[{"href":"https:\/\/www.naimacanada.ca\/wp-json\/wp\/v2\/media?parent=7292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}