Description

The AMST48CU13 — Goodman 4 Ton Air Handler – Multi-Position – AMST48CU13 — is stocked and shipped by Buy Comfort Direct from Winder, Georgia. Specifications, fitment notes and ordering details are below; call (877) 843-4822 if you need it matched to your equipment first.

About the AMST48CU13

* {
box-sizing: border-box;
margin: 0;
padding: 0;
}

#product-container {
font-family: ‘Segoe UI’, Tahoma, Geneva, Verdana, sans-serif;
max-width: 1200px;
margin: 0 auto;
padding: 20px;
color: #000;
background: #fff;
}

#product-container h1 {
font-size: 2.5em;
color: #D53938;
margin-bottom: 10px;
padding-bottom: 15px;
border-bottom: 3px solid #D53938;
font-weight: 700;
}

#product-container h2 {
font-size: 1.8em;
color: #D53938;
margin: 30px 0 15px 0;
font-weight: 600;
}

#product-container p {
line-height: 1.8;
margin-bottom: 15px;
font-size: 1.05em;
color: #333;
}

.intro-section {
background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
padding: 25px;
border-radius: 8px;
margin: 25px 0;
border-left: 5px solid #D53938;
}

.specs-table {
width: 100%;
border-collapse: collapse;
margin: 20px 0;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
border-radius: 8px;
overflow: hidden;
}

.specs-table thead {
background: linear-gradient(135deg, #D53938 0%, #b32d2c 100%);
color: white;
}

.specs-table th {
padding: 15px;
text-align: left;
font-weight: 600;
font-size: 1.1em;
}

.specs-table td {
padding: 12px 15px;
border-bottom: 1px solid #e0e0e0;
}

.specs-table tbody tr {
background: #fff;
transition: all 0.3s ease;
}

.specs-table tbody tr:nth-child(even) {
background: #f8f9fa;
}

.specs-table tbody tr:hover {
background: linear-gradient(90deg, #D53938 0%, #b32d2c 100%) !important;
color: white;
transform: scale(1.01);
box-shadow: 0 4px 12px rgba(213, 57, 56, 0.3);
}

.specs-table tbody tr:hover td {
color: white;
}

.warranty-section {
background: linear-gradient(135deg, #F8F9FA 0%, #e9ecef 100%);
padding: 50px 30px;
border-radius: 15px;
margin: 50px 0;
}

.warranty-section h2 {
color: #D53938;
text-align: center;
margin-bottom: 40px;
font-size: 28px;
}

.warranty-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 30px;
max-width: 800px;
margin: 0 auto;
}

.warranty-card {
background: white;
padding: 30px;
border-radius: 12px;
text-align: center;
border: 2px solid rgba(213,57,56,0.3);
transition: all 0.3s ease;
}

.warranty-card:hover {
background: rgba(213,57,56,0.05);
border-color: #D53938;
transform: translateY(-5px);
}

.warranty-years {
font-size: 48px;
font-weight: 700;
color: #D53938;
}

.warranty-label {
color: #333;
font-size: 14px;
font-weight: 600;
}

.cta-section {
background: linear-gradient(135deg, #F8F9FA 0%, #e9ecef 100%);
padding: 60px 30px;
border-radius: 15px;
margin-top: 50px;
box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.cta-content {
text-align: center;
margin-bottom: 40px;
}

.cta-section h2 {
color: #D53938;
margin: 0 0 15px 0;
font-size: 28px;
font-weight: 700;
}

.cta-section p {
color: #333;
margin: 0;
font-size: 16px;
max-width: 700px;
margin-left: auto;
margin-right: auto;
line-height: 1.6;
}

.compliance-badge {
background: rgba(213,57,56,0.05);
border: 2px solid #D53938;
border-radius: 12px;
padding: 25px 30px;
display: flex;
align-items: center;
gap: 20px;
max-width: 700px;
margin: 0 auto;
transition: all 0.3s ease;
}

.compliance-badge:hover {
background: rgba(87,169,249,0.05);
transform: translateY(-2px);
box-shadow: 0 8px 20px rgba(213,57,56,0.2);
}

.badge-icon {
font-size: 32px;
color: #D53938;
font-weight: 700;
background: rgba(213,57,56,0.2);
width: 50px;
height: 50px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
flex-shrink: 0;
}

.badge-content {
text-align: left;
}

.badge-content h3 {
color: #D53938;
margin: 0 0 8px 0;
font-size: 18px;
font-weight: 700;
}

.badge-content p {
color: #555;
margin: 0;
font-size: 14px;
line-height: 1.5;
}

@media (max-width: 768px) {
#product-container {
padding: 15px;
}

#product-container h1 {
font-size: 1.8em;
}

#product-container h2 {
font-size: 1.4em;
}

.specs-table {
font-size: 0.9em;
}

.specs-table th,
.specs-table td {
padding: 10px;
}

.cta-section {
padding: 40px 20px;
}

.compliance-badge {
flex-direction: column;
text-align: center;
padding: 20px;
}

.badge-content {
text-align: center;
}
}

Where the AMST48CU13 fits. The AMST48CU13 is Goodman’s multi-position air handler in the 4-ton class — it installs upflow, downflow, or horizontal, and is the standard indoor match for Goodman 4-ton R-32 air conditioners and heat pumps (GLXS, GLZS, GXV, and GZV families). It is the straightforward like-for-like replacement for an aging 4-ton air handler; add a matching heat kit if you need electric backup heat. Confirm the pairing with the free sizing tool, and see all 4-ton Goodman air handlers →

AMST48CU13: fitment and resources

Equipment ratings are only valid as an AHRI-matched pairing; confirm the match before ordering. Our free HVAC system sizing tool gives a starting point for tonnage, and Background reading: the AHRI Directory of Certified Product Performance. Browse the rest of our 4-Ton or the Goodman catalog, and see what customers say on our reviews page.

Ordering and delivery

In-stock items ship from our Winder, Georgia warehouse; orders over $99 ship free. Large equipment travels by freight carrier and parts by ground, with tracking by email. Financing is available at checkout through Affirm, and contractors can set up a contractor account for trade pricing. Questions before you pay? Use the contact page or call (877) 843-4822.

AMST48CU13 FAQ

Does the AMST48CU13 ship free?

Yes on orders over $99 — most orders that include it qualify.

How do I know it fits my system?

Send us your equipment model number through the contact page or call (877) 843-4822 and we will confirm the match before it ships.