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HVACPROSALES KNOWLEDGE HUB

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Expert guides, compliance updates, troubleshooting resources, and buying support for HVAC professionals, facility managers, contractors, and commercial buyers.

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Featured HVAC Guides

Compliance

EPA Refrigerant Regulations 2026

Understand the R-410A phaseout, A2L transition, and compliance updates affecting HVAC contractors.

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Mini Split Sizing

What Size Mini Split for 1500 Sq Ft?

Learn BTU sizing, layout strategy, and when a single-zone or multi-zone system makes more sense.

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International Buying

U.S. Freight Forwarder Buying Guide

Learn how international buyers can purchase HVAC equipment through a U.S. freight forwarder.

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Latest HVAC Articles

  • Jun 18th 2026

    Multi-Zone vs Single-Zone Mini Splits: 2026 Comparison

    When planning a ductless HVAC installation, one of the most critical decisions is choosing between a single-zone configuration and a multi-zone system. Both approaches offer outstanding efficiency, bu…

    Published by HVACProSales Editorial Team

  • May 16th 2026

    What Size Mini Split for 1,500 Sq Ft? 2026 Sizing Guide

    What Size Mini Split for 1500 Sq Ft? Sizing & Layout Guide TL;DR / Quick Summary: To heat and cool a 1,500 square foot home, you typically require a total capacity of 30,000 to 36,000 BTUs (2.5 to 3.0…

    Published by HVACProSales Editorial Team