Description

The S-AMST42CU13 — Solace 3.5 Ton Air Handler – S-AMST42CU13 — is stocked and shipped by Buy Comfort Direct. Specifications, fitment notes and ordering details are below; call (877) 843-4822 if you need it matched to your equipment first.

About the S-AMST42CU13

* {
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margin: 0;
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font-family: ‘Segoe UI’, Tahoma, Geneva, Verdana, sans-serif;
max-width: 1200px;
margin: 0 auto;
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font-size: 2.5em;
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margin-bottom: 10px;
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margin-bottom: 15px;
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.intro-section {
background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
padding: 25px;
border-radius: 8px;
margin: 25px 0;
border-left: 5px solid #FFBE00;
}

.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, #FFBE00 0%, #CC9800 100%);
color: white;
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.specs-table th {
padding: 15px;
text-align: left;
font-weight: 600;
font-size: 1.1em;
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.specs-table td {
padding: 12px 15px;
border-bottom: 1px solid #e0e0e0;
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background: #fff;
transition: all 0.3s ease;
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background: linear-gradient(90deg, #FFBE00 0%, #CC9800 100%) !important;
color: white;
transform: scale(1.01);
box-shadow: 0 4px 12px rgba(255, 190, 0, 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: #FFBE00;
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(255, 190, 0, 0.3);
transition: all 0.3s ease;
}

.warranty-card:hover {
background: rgba(255, 190, 0, 0.05);
border-color: #FFBE00;
transform: translateY(-5px);
}

.warranty-years {
font-size: 48px;
font-weight: 700;
color: #FFBE00;
}

.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: #FFBE00;
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(255, 190, 0, 0.05);
border: 2px solid #FFBE00;
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: #f8f9fa;
transform: translateY(-2px);
box-shadow: 0 8px 20px rgba(255, 190, 0, 0.3);
}

.badge-icon {
font-size: 32px;
color: #FFBE00;
font-weight: 700;
background: rgba(255, 190, 0, 0.3);
width: 50px;
height: 50px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
flex-shrink: 0;
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.badge-content {
text-align: left;
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.badge-content h3 {
color: #FFBE00;
margin: 0 0 8px 0;
font-size: 18px;
font-weight: 700;
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.badge-content p {
color: #555;
margin: 0;
font-size: 14px;
line-height: 1.5;
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@media (max-width: 768px) {
#product-container {
padding: 15px;
}

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

#product-container h2 {
font-size: 1.4em;
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.specs-table {
font-size: 0.9em;
}

.specs-table th,
.specs-table td {
padding: 10px;
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.compliance-badge {
flex-direction: column;
text-align: center;
padding: 20px;
}

.badge-content {
text-align: center;
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.cta-section {
padding: 40px 20px;
}
}

Where the S-AMST42CU13 fits. The S-AMST42CU13 is Solace’s multi-position air handler in the 3.5-ton class — it installs upflow, downflow, or horizontal, and is the standard indoor match for Solace 3.5-ton R-32 air conditioners and heat pumps (S-GLXS, S-GLZS, S-GXV, and S-GZV). It is the straightforward like-for-like replacement for an aging 3.5-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 3.5-ton Solace air handlers →

S-AMST42CU13: 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 3.5 Ton or the Solace catalog, and see what customers say on our reviews page.

Ordering and delivery

In-stock items ship fast; 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.

S-AMST42CU13 FAQ

Does the S-AMST42CU13 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.