Terms of Sale

Payment Information

Payment Methods
We currently accept Visa, MasterCard, American Express, Discover Card, PayPal, Purchase Orders, ACH and Wire Transfers. All credit cards are charged at the time of purchase unless you have an established account and have made arrangements with our company to charge at time of shipment. We reserve the right to request proof of identity for all credit card transactions prior to shipment of your order.

Net 30 / Purchase Orders
We will gladly accept your purchase orders after your credit application has been approved. Please send us a completed copy of our credit application, plus credit references, to sales@hvacusa.com or via fax at 1-877-632-4875. All requests will receive a response with 2 business days.

Automated Clearing House (ACH)
We can accommodate transfers directly to our bank. Please contact us to set up an ACH transfer.

International Wire Transfer
International wire transfers are accepted for a $35.00 transaction fee.

Web Store Pricing
Although we strive to have accurate product and pricing information, we reserve the right to change the products price due to price increases or errors. We will contact you for approval before shipping any order that may be affected by a change in pricing.

We charge Sales Tax for all orders shipping to any State that require us to collect Sales Tax under their State Laws. If you have a Tax Exemption Certificate you can upload this to you account and check-out immediately. You may also email it to sales@hvacusa.com and note your order number, we will credit the tax charged and setup your account so it is not charged on your next order.


Shipping Information

General Information
Base Rate shipping charges are added to each order prior to checkout and you may be asked to approve additional shipping charges for heavy items or international shipments. Please note that incorrect or incomplete shipping addresses will be subject to shipping return costs and redelivery fees. The customer will be responsible for reporting Lost Shipments within 30-days of shipment or claims may be denied, Damaged Shipments must be reported within 7-Days of receipt or claims will be denied.

Partial Shipments
All In-Stock Items will Ship at Time of Order unless otherwise requested. Any remaining Back-Ordered items will ship complete unless they qualify for Drop-Shipping. Please call to make any special arrangements for Shipping.

Same Day Shipping
Items In-Stock are offered until 1:00PM Pacific Time for Next Day and Second Day Air orders. We will make every attempt to ship Ground orders the same day but they may ship the following day dependent upon volume.

Collect Shipping: In most cases we can ship Collect on Your Account. When placing an order On-Line select Collect Shipping and then enter your UPS/FedEx account number in the field provided. If you require Shipping Insurance then you must state that Insurance is Requested in the Special Instructions Box, otherwise your shipment will ship without insurance.

Free Shipping: We may offer free shipping for certain product lines or promotions. Free Shipping is only available to the Lower 48 Contiguous States based upon the promotion rules.

International Shipping
Please email your request to sales@hvacusa.com. You may email your UPS, Fedex or DHL Account Number to sales@hvacusa.com or request a freight quote before entering your order. International shipments are F.O.B. our store in Carlsbad, CA unless otherwise arranged with our Sales Representatives.

International Shipping: Customs Charges and Other Fees
Your chosen carrier may charge custom charges, taxes, and other fees, including brokerage fees. These are not included in our shipping quote price. You are responsible for all customs fees, taxes, and brokerage fees. Please speak with your carrier to obtain an estimate of the total taxes and fees.

Will-Call or Collect Shipments Older Than 30 Days
We will not be responsible for loss or damage to orders that are older than 30 days and have not been picked up by the customer. 


Item Availability

General Information
All items are listed in our online catalog regardless of availability but will typically show our current stock levels. Please call us for lead-time if we don't list a Qty in stock. Most items not in-stock ship within 7 to 10 business days. Items with a sales price of .01 is for cross-reference information only and is not an item we can sell.

Lead Times Longer than 25 Days
If your lead time is longer than 25 days we will contact you via email to inform you of the estimated ship date.


Returns & EZ-Cancellation Policy

You must contact our Returns Dept. for a Return Material Authorization (RMA) before returning a product. Products returned without authorization will not receive credit.

Returns on most items are accepted within 30 days of shipment, some items are special order and may be non-cancellable or non-returnable dependent upon the respective manufactures policies. Please inquire about these policies before placing your order.

Items must be new, in original packaging, and never installed. For non-stock returns you may be charged from 15% to 35% re-stock fee which is set by the respective manufacturer. You must contact our Returns Dept. for a Return Material Authorization (RMA) before returning a product. The shipping cost of returning a product is the responsibility of the customer. Returns may take 4 to 8 weeks to completely process.

Warranty Returns
All warranty return policies are set by the respective manufacturer and this policy may differ from manufacturer to manufacturer. Most manufacturers’ warranties cover a period of 1 year if the item stops functioning properly or breaks. We will process your warranty claim for items purchased directly from our store. Warranty claims may take 6 to 8 weeks to process.

All warranties said or implied by the respective manufacturer will be the sole responsibility of the respective manufacturer to replace warranty materials. MechTronics Controls, LLC (DBA hvacUSA.com) is not liable for any defects in materials or warranties said or implied by the respective manufacturer.

If you are in need of a replacement part immediately you must place a new order. A credit will be issued to your account if/when the factory issues HVAC USA a credit. In some cases, the manufacturer will issue a replacement part rather than credit. HVAC USA reserves the right to issue the replacement part in lieu of a credit if the respective manufacturer provides HVAC USA a replacement part rather than credit.

HVAC USA Replacement Guarentee
HVAC USA offers a Two and Three year Replacement Guarentee. If this option was added to your order at time of purchase, your item(s) will be covered for a period of three (3) years OR two (2) years from date of purchase against normal wear and tear, depending on selection. If any item purchased with a replacement warranty is determined to be defective through normal use of the product, HVAC USA will replace that product free of charge. This warranty does not cover damage caused by power surges, water damage, acts of God, or misusing the product in a manner it was not intended for.

If you need to return an item that is covered by the HVAC USA Replacement Warranty, please refer to the same procedures listed above for warranty returns.

If you decide to cancel your order we will make every attempt to cancel with the respective manufacture, however each manufacture has their own rules on cancellations that we must follow. Please call us to cancel an order if needed. All orders held for a complete shipment request are subject to re-stock fees or disapproval of credit for items already received and on hold or items in-transit for your complete shipment request, our returns policy will apply.



Some of the products listed on our website require installation and maintenance by certified professionals. Improper installation or use of a product may result in property damage, injury, or death. MechTronics Controls, LLC (DBA hvacUSA.com) will not be held liable for property damage, injury, or death resulting from use of these products. Some products we offer are purchased through 3rd-party vendors that distribute directly for some manufactures listed, these products carry the same warranty. Please contact us with any concerns and we will gladly address them.

These policies are subject to change without notice.

These policies were last changed on December 4, 2020.