Click any question to expand the answer.
Once your order ships, you'll receive a tracking email with a direct link. You can also track at /pages/track-order using your order number and email.
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orders,Can I change or cancel my order?
shipping,How fast does my order ship?
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Orders placed before 3PM CST ship same day (Monday–Friday). Orders after 3PM CST ship next business day. Free shipping on all orders over $75+.
Yes, we ship to all 50 states. Ground shipping to AK/HI takes 5–7 business days. Expedited options are available at checkout.
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shipping,What carriers do you use?
returns,What is your return policy?
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We offer a 30-day hassle-free return on all parts. Parts must be in original condition and packaging. See our full Returns Policy for details.
Call 1-800-NHP-HVAC or email support@nationalhvacparts.com with your order number. We'll email a prepaid return label within 24 hours.
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returns,What if I received the wrong part?
parts,How do I find the right part for my unit?
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Use our Part Finder on the homepage — enter your equipment type, brand, and model number for exact OEM matches. The model number is on the equipment nameplate.
Yes. Each product page shows both the OEM option and our Aftermarket alternative (typically 18–35% less). Both are tested to OEM specification.
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parts,What brands do you carry?
trade,What is a Trade Account?
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Trade accounts are for HVAC contractors and service companies. Benefits include Net 30 terms, volume pricing, dedicated account rep, and priority shipping.
Apply online at /pages/trade-account — instant approval, no credit check required to start. You can be ordering in under 5 minutes.
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trade,Is there a minimum order for trade pricing?