AC Archives

Best Through the Wall Air Conditioner in 2021 [Our Reviews & Comparisons]

October 2, 2023 by Gavin Wilson

Person's hand holding a remote control and pointing it on the aircon

Hot? Today we are going to take a look at five of the best “through-the-wall” air conditioners on the market.

img:is([sizes=auto i],[sizes^="auto,"i]){contain-intrinsic-size:3000px 1500px}:root{--wp-block-synced-color:#7a00df;--wp-block-synced-color--rgb:122,0,223;--wp-bound-block-color:var(--wp-block-synced-color);--wp-editor-canvas-background:#ddd;--wp-admin-theme-color:#007cba;--wp-admin-theme-color--rgb:0,124,186;--wp-admin-theme-color-darker-10:#006ba1;--wp-admin-theme-color-darker-10--rgb:0,107,160.5;--wp-admin-theme-color-darker-20:#005a87;--wp-admin-theme-color-darker-20--rgb:0,90,135;--wp-admin-border-width-focus:2px}@media (min-resolution:192dpi){:root{--wp-admin-border-width-focus:1.5px}}.wp-element-button{cursor:pointer}:root .has-very-light-gray-background-color{background-color:#eee}:root .has-very-dark-gray-background-color{background-color:#313131}:root .has-very-light-gray-color{color:#eee}:root .has-very-dark-gray-color{color:#313131}:root .has-vivid-green-cyan-to-vivid-cyan-blue-gradient-background{background:linear-gradient(135deg,#00d084,#0693e3)}:root .has-purple-crush-gradient-background{background:linear-gradient(135deg,#34e2e4,#4721fb 50%,#ab1dfe)}:root .has-hazy-dawn-gradient-background{background:linear-gradient(135deg,#faaca8,#dad0ec)}:root .has-subdued-olive-gradient-background{background:linear-gradient(135deg,#fafae1,#67a671)}:root .has-atomic-cream-gradient-background{background:linear-gradient(135deg,#fdd79a,#004a59)}:root .has-nightshade-gradient-background{background:linear-gradient(135deg,#330968,#31cdcf)}:root .has-midnight-gradient-background{background:linear-gradient(135deg,#020381,#2874fc)}:root{--wp--preset--font-size--normal:16px;--wp--preset--font-size--huge:42px}.has-regular-font-size{font-size:1em}.has-larger-font-size{font-size:2.625em}.has-normal-font-size{font-size:var(--wp--preset--font-size--normal)}.has-huge-font-size{font-size:var(--wp--preset--font-size--huge)}.has-text-align-center{text-align:center}.has-text-align-left{text-align:left}.has-text-align-right{text-align:right}.has-fit-text{white-space:nowrap!important}#end-resizable-editor-section{display:none}.aligncenter{clear:both}.items-justified-left{justify-content:flex-start}.items-justified-center{justify-content:center}.items-justified-right{justify-content:flex-end}.items-justified-space-between{justify-content:space-between}.screen-reader-text{border:0;clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal!important}.screen-reader-text:focus{background-color:#ddd;clip-path:none;color:#444;display:block;font-size:1em;height:auto;left:5px;line-height:normal;padding:15px 23px 14px;text-decoration:none;top:5px;width:auto;z-index:100000}html :where(.has-border-color){border-style:solid}html :where([style*=border-top-color]){border-top-style:solid}html :where([style*=border-right-color]){border-right-style:solid}html :where([style*=border-bottom-color]){border-bottom-style:solid}html :where([style*=border-left-color]){border-left-style:solid}html :where([style*=border-width]){border-style:solid}html :where([style*=border-top-width]){border-top-style:solid}html :where([style*=border-right-width]){border-right-style:solid}html :where([style*=border-bottom-width]){border-bottom-style:solid}html :where([style*=border-left-width]){border-left-style:solid}html :where(img[class*=wp-image-]){height:auto;max-width:100%}:where(figure){margin:0 0 1em}html :where(.is-position-sticky){--wp-admin--admin-bar--position-offset:var(--wp-admin--admin-bar--height,0px)}@media screen and (max-width:600px){html :where(.is-position-sticky){--wp-admin--admin-bar--position-offset:0px}}/*! This file is auto-generated */.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}:root{--wp--preset--aspect-ratio--square: 1;--wp--preset--aspect-ratio--4-3: 4/3;--wp--preset--aspect-ratio--3-4: 3/4;--wp--preset--aspect-ratio--3-2: 3/2;--wp--preset--aspect-ratio--2-3: 2/3;--wp--preset--aspect-ratio--16-9: 16/9;--wp--preset--aspect-ratio--9-16: 9/16;--wp--preset--color--black: #000000;--wp--preset--color--cyan-bluish-gray: #abb8c3;--wp--preset--color--white: #ffffff;--wp--preset--color--pale-pink: #f78da7;--wp--preset--color--vivid-red: #cf2e2e;--wp--preset--color--luminous-vivid-orange: #ff6900;--wp--preset--color--luminous-vivid-amber: #fcb900;--wp--preset--color--light-green-cyan: #7bdcb5;--wp--preset--color--vivid-green-cyan: #00d084;--wp--preset--color--pale-cyan-blue: #8ed1fc;--wp--preset--color--vivid-cyan-blue: #0693e3;--wp--preset--color--vivid-purple: #9b51e0;--wp--preset--color--contrast: var(--contrast);--wp--preset--color--contrast-2: var(--contrast-2);--wp--preset--color--contrast-3: var(--contrast-3);--wp--preset--color--base: var(--base);--wp--preset--color--base-2: var(--base-2);--wp--preset--color--base-3: var(--base-3);--wp--preset--color--accent: var(--accent);--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple: linear-gradient(135deg,rgb(6,147,227) 0%,rgb(155,81,224) 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan: linear-gradient(135deg,rgb(122,220,180) 0%,rgb(0,208,130) 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange: linear-gradient(135deg,rgb(252,185,0) 0%,rgb(255,105,0) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red: linear-gradient(135deg,rgb(255,105,0) 0%,rgb(207,46,46) 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray: linear-gradient(135deg,rgb(238,238,238) 0%,rgb(169,184,195) 100%);--wp--preset--gradient--cool-to-warm-spectrum: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);--wp--preset--gradient--blush-light-purple: linear-gradient(135deg,rgb(255,206,236) 0%,rgb(152,150,240) 100%);--wp--preset--gradient--blush-bordeaux: linear-gradient(135deg,rgb(254,205,165) 0%,rgb(254,45,45) 50%,rgb(107,0,62) 100%);--wp--preset--gradient--luminous-dusk: linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%);--wp--preset--gradient--pale-ocean: linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 50%,rgb(51,167,181) 100%);--wp--preset--gradient--electric-grass: linear-gradient(135deg,rgb(202,248,128) 0%,rgb(113,206,126) 100%);--wp--preset--gradient--midnight: linear-gradient(135deg,rgb(2,3,129) 0%,rgb(40,116,252) 100%);--wp--preset--font-size--small: 13px;--wp--preset--font-size--medium: 20px;--wp--preset--font-size--large: 36px;--wp--preset--font-size--x-large: 42px;--wp--preset--spacing--20: 0.44rem;--wp--preset--spacing--30: 0.67rem;--wp--preset--spacing--40: 1rem;--wp--preset--spacing--50: 1.5rem;--wp--preset--spacing--60: 2.25rem;--wp--preset--spacing--70: 3.38rem;--wp--preset--spacing--80: 5.06rem;--wp--preset--shadow--natural: 6px 6px 9px rgba(0, 0, 0, 0.2);--wp--preset--shadow--deep: 12px 12px 50px rgba(0, 0, 0, 0.4);--wp--preset--shadow--sharp: 6px 6px 0px rgba(0, 0, 0, 0.2);--wp--preset--shadow--outlined: 6px 6px 0px -3px rgb(255, 255, 255), 6px 6px rgb(0, 0, 0);--wp--preset--shadow--crisp: 6px 6px 0px rgb(0, 0, 0)}:where(.is-layout-flex){gap:0.5em}:where(.is-layout-grid){gap:0.5em}body .is-layout-flex{display:flex}.is-layout-flex{flex-wrap:wrap;align-items:center}.is-layout-flex>:is(*,div){margin:0}body .is-layout-grid{display:grid}.is-layout-grid>:is(*,div){margin:0}:where(.wp-block-columns.is-layout-flex){gap:2em}:where(.wp-block-columns.is-layout-grid){gap:2em}:where(.wp-block-post-template.is-layout-flex){gap:1.25em}:where(.wp-block-post-template.is-layout-grid){gap:1.25em}.has-black-color{color:var(--wp--preset--color--black)!important}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray)!important}.has-white-color{color:var(--wp--preset--color--white)!important}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink)!important}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red)!important}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange)!important}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber)!important}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan)!important}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan)!important}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue)!important}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue)!important}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple)!important}.has-black-background-color{background-color:var(--wp--preset--color--black)!important}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray)!important}.has-white-background-color{background-color:var(--wp--preset--color--white)!important}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink)!important}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red)!important}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange)!important}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber)!important}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan)!important}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan)!important}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue)!important}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue)!important}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple)!important}.has-black-border-color{border-color:var(--wp--preset--color--black)!important}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray)!important}.has-white-border-color{border-color:var(--wp--preset--color--white)!important}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink)!important}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red)!important}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange)!important}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber)!important}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan)!important}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan)!important}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue)!important}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue)!important}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple)!important}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple)!important}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan)!important}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange)!important}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red)!important}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray)!important}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum)!important}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple)!important}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux)!important}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk)!important}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean)!important}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass)!important}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight)!important}.has-small-font-size{font-size:var(--wp--preset--font-size--small)!important}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium)!important}.has-large-font-size{font-size:var(--wp--preset--font-size--large)!important}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large)!important}div#ez-toc-container .ez-toc-title{font-size:150%}div#ez-toc-container .ez-toc-title{font-weight:700}div#ez-toc-container ul li,div#ez-toc-container ul li a{font-size:100%}div#ez-toc-container ul li,div#ez-toc-container ul li a{font-weight:500}div#ez-toc-container nav ul ul li{font-size:95%}.ez-toc-box-title{font-weight:bold;margin-bottom:10px;text-align:center;text-transform:uppercase;letter-spacing:1px;color:#666;padding-bottom:5px;position:absolute;top:-4%;left:5%;background-color:inherit;transition:top 0.3s ease}.ez-toc-box-title.toc-closed{top:-25%}body{background-color:#ffffff;color:#3a3a3a}a{color:#1e73be}a:hover,a:focus,a:active{color:#000000}body .grid-container{max-width:1100px}.wp-block-group__inner-container{max-width:1100px;margin-left:auto;margin-right:auto}:root{--contrast:#222222;--contrast-2:#575760;--contrast-3:#b2b2be;--base:#f0f0f0;--base-2:#f7f8f9;--base-3:#ffffff;--accent:#1e73be}:root .has-contrast-color{color:var(--contrast)}:root .has-contrast-background-color{background-color:var(--contrast)}:root .has-contrast-2-color{color:var(--contrast-2)}:root .has-contrast-2-background-color{background-color:var(--contrast-2)}:root .has-contrast-3-color{color:var(--contrast-3)}:root .has-contrast-3-background-color{background-color:var(--contrast-3)}:root .has-base-color{color:var(--base)}:root .has-base-background-color{background-color:var(--base)}:root .has-base-2-color{color:var(--base-2)}:root .has-base-2-background-color{background-color:var(--base-2)}:root .has-base-3-color{color:var(--base-3)}:root .has-base-3-background-color{background-color:var(--base-3)}:root .has-accent-color{color:var(--accent)}:root .has-accent-background-color{background-color:var(--accent)}body,button,input,select,textarea{font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol"}body{line-height:1.5}.entry-content>[class*="wp-block-"]:not(:last-child):not(.wp-block-heading){margin-bottom:1.5em}.main-title{font-size:45px}.main-navigation .main-nav ul ul li a{font-size:14px}.sidebar .widget,.footer-widgets .widget{font-size:17px}h1{font-weight:300;font-size:40px}h2{font-weight:300;font-size:30px}h3{font-size:20px}h4{font-size:inherit}h5{font-size:inherit}@media (max-width:768px){.main-title{font-size:30px}h1{font-size:30px}h2{font-size:25px}}.top-bar{background-color:#636363;color:#ffffff}.top-bar a{color:#ffffff}.top-bar a:hover{color:#303030}.site-header{background-color:#ffffff;color:#3a3a3a}.site-header a{color:#3a3a3a}.main-title a,.main-title a:hover{color:#222222}.site-description{color:#757575}.main-navigation,.main-navigation ul ul{background-color:#222222}.main-navigation .main-nav ul li a,.main-navigation .menu-toggle,.main-navigation .menu-bar-items{color:#ffffff}.main-navigation .main-nav ul li:not([class*="current-menu-"]):hover>a,.main-navigation .main-nav ul li:not([class*="current-menu-"]):focus>a,.main-navigation .main-nav ul li.sfHover:not([class*="current-menu-"])>a,.main-navigation .menu-bar-item:hover>a,.main-navigation .menu-bar-item.sfHover>a{color:#ffffff;background-color:#3f3f3f}button.menu-toggle:hover,button.menu-toggle:focus,.main-navigation .mobile-bar-items a,.main-navigation .mobile-bar-items a:hover,.main-navigation .mobile-bar-items a:focus{color:#ffffff}.main-navigation .main-nav ul li[class*="current-menu-"]>a{color:#ffffff;background-color:#3f3f3f}.navigation-search input[type="search"],.navigation-search input[type="search"]:active,.navigation-search input[type="search"]:focus,.main-navigation .main-nav ul li.search-item.active>a,.main-navigation .menu-bar-items .search-item.active>a{color:#ffffff;background-color:#3f3f3f}.main-navigation ul ul{background-color:#3f3f3f}.main-navigation .main-nav ul ul li a{color:#ffffff}.main-navigation .main-nav ul ul li:not([class*="current-menu-"]):hover>a,.main-navigation .main-nav ul ul li:not([class*="current-menu-"]):focus>a,.main-navigation .main-nav ul ul li.sfHover:not([class*="current-menu-"])>a{color:#ffffff;background-color:#4f4f4f}.main-navigation .main-nav ul ul li[class*="current-menu-"]>a{color:#ffffff;background-color:#4f4f4f}.separate-containers .inside-article,.separate-containers .comments-area,.separate-containers .page-header,.one-container .container,.separate-containers .paging-navigation,.inside-page-header{background-color:#ffffff}.entry-meta{color:#595959}.entry-meta a{color:#595959}.entry-meta a:hover{color:#1e73be}.sidebar .widget{background-color:#ffffff}.sidebar .widget .widget-title{color:#000000}.footer-widgets{background-color:#ffffff}.footer-widgets .widget-title{color:#000000}.site-info{color:#ffffff;background-color:#222222}.site-info a{color:#ffffff}.site-info a:hover{color:#606060}.footer-bar .widget_nav_menu .current-menu-item a{color:#606060}input[type="text"],input[type="email"],input[type="url"],input[type="password"],input[type="search"],input[type="tel"],input[type="number"],textarea,select{color:#666666;background-color:#fafafa;border-color:#cccccc}input[type="text"]:focus,input[type="email"]:focus,input[type="url"]:focus,input[type="password"]:focus,input[type="search"]:focus,input[type="tel"]:focus,input[type="number"]:focus,textarea:focus,select:focus{color:#666666;background-color:#ffffff;border-color:#bfbfbf}button,html input[type="button"],input[type="reset"],input[type="submit"],a.button,a.wp-block-button__link:not(.has-background){color:#ffffff;background-color:#666666}button:hover,html input[type="button"]:hover,input[type="reset"]:hover,input[type="submit"]:hover,a.button:hover,button:focus,html input[type="button"]:focus,input[type="reset"]:focus,input[type="submit"]:focus,a.button:focus,a.wp-block-button__link:not(.has-background):active,a.wp-block-button__link:not(.has-background):focus,a.wp-block-button__link:not(.has-background):hover{color:#ffffff;background-color:#3f3f3f}a.generate-back-to-top{background-color:rgba(0,0,0,0.4);color:#ffffff}a.generate-back-to-top:hover,a.generate-back-to-top:focus{background-color:rgba(0,0,0,0.6);color:#ffffff}:root{--gp-search-modal-bg-color:var(--base-3);--gp-search-modal-text-color:var(--contrast);--gp-search-modal-overlay-bg-color:rgba(0,0,0,0.2)}@media (max-width:768px){.main-navigation .menu-bar-item:hover>a,.main-navigation .menu-bar-item.sfHover>a{background:none;color:#ffffff}}.inside-top-bar{padding:10px}.inside-header{padding:40px}.site-main .wp-block-group__inner-container{padding:40px}.entry-content .alignwide,body:not(.no-sidebar) .entry-content .alignfull{margin-left:-40px;width:calc(100% + 80px);max-width:calc(100% + 80px)}.rtl .menu-item-has-children .dropdown-menu-toggle{padding-left:20px}.rtl .main-navigation .main-nav ul li.menu-item-has-children>a{padding-right:20px}.site-info{padding:20px}@media (max-width:768px){.separate-containers .inside-article,.separate-containers .comments-area,.separate-containers .page-header,.separate-containers .paging-navigation,.one-container .site-content,.inside-page-header{padding:30px}.site-main .wp-block-group__inner-container{padding:30px}.site-info{padding-right:10px;padding-left:10px}.entry-content .alignwide,body:not(.no-sidebar) .entry-content .alignfull{margin-left:-30px;width:calc(100% + 60px);max-width:calc(100% + 60px)}}.one-container .sidebar .widget{padding:0px}@media (max-width:768px){.main-navigation .menu-toggle,.main-navigation .mobile-bar-items,.sidebar-nav-mobile:not(#sticky-placeholder){display:block}.main-navigation ul,.gen-sidebar-nav{display:none}[class*="nav-float-"] .site-header .inside-header>*{float:none;clear:both}}:root{--gb-container-width:1100px}.gb-container .wp-block-image img{vertical-align:middle}.gb-grid-wrapper .wp-block-image{margin-bottom:0}.gb-highlight{background:none}.gb-shape{line-height:0}.gb-container-link{position:absolute;top:0;right:0;bottom:0;left:0;z-index:99}.aawp .aawp-tb__row--highlight{background-color:#256aaf}.aawp .aawp-tb__row--highlight{color:#256aaf}.aawp .aawp-tb__row--highlight a{color:#256aaf}#submit{display:none}.aawp .aawp-product--horizontal .aawp-product__description{display:block!important}