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AC Sizing Calculator: Explore Heating & Cooling Systems
Use our free AC sizing calculator as a starting point when exploring heating and cooling systems for your property. Review the available options and suggested tonnage, then confirm your requirements with a qualified HVAC professional before selecting equipment.
Choosing the right equipment size matters for year-round comfort. This calculator provides preliminary guidance, not a professional load calculation or a guarantee of equipment suitability. A cooling tonnage estimate alone does not establish your property's heating requirements.
Before purchasing, ask a qualified HVAC professional to confirm both heating and cooling loads, equipment compatibility, and installation requirements.
Find Your Perfect HVAC System
Select your options below to instantly match the right tonnage, SEER2 efficiency, and system configuration for your property and budget.
How We Calculate Your Ideal AC System Size
To ensure accurate sizing for your house, condo, or light commercial project, our calculation engine factors in three critical data points:
Why Buy Your HVAC Equipment Directly From Xpress Supply?
Use your AC sizing calculator results as a starting point. Once a qualified HVAC professional confirms your heating and cooling requirements, compare compatible systems and order your equipment directly from Xpress AC Supply.
Competitive Prices to the Public
Skip the middleman. We offer brand-new, factory-backed HVAC systems at direct distributor pricing.
Nationwide Shipping in 3-5 Business Days
Once your order is processed, your equipment will be dispatched directly to your location within 3 to 5 business days.
Top Brands Ready to Ship
We keep a massive inventory of high-efficiency systems from leading manufacturers like Goodman, Rheem and MRCOOL.
Secure & Flexible Checkout
Buy with confidence using our secure payment gateway or explore flexible financing options to upgrade your equipment today.
Understanding Your AC Sizing Calculator Results
Your AC sizing calculator results provide a starting point for comparing heating and cooling equipment. Use the suggested options to prepare questions for your installer, rather than treating the result as a final equipment specification. Properties with similar square footage can have very different heating and cooling requirements.
What Should Be Checked Before Buying?
A professional assessment considers insulation, windows, sun exposure, ceiling height, air leakage, local weather, and duct conditions. These factors affect how much heating or cooling your property needs. They should be reviewed separately from the equipment's advertised efficiency rating.
For residential properties, ask your HVAC professional about a Manual J load calculation. This evaluates heating and cooling loads and provides a basis for selecting suitable equipment. The AC sizing calculator does not replace this assessment.
Heating Capacity and Cooling Tonnage Are Different
Cooling tonnage alone does not determine the heating capacity your property requires. Furnace output, electric heat kit capacity, and heat pump performance must be checked against the heating load and installation conditions. Your installer should confirm both seasonal requirements before you order.
Compare Compatible HVAC Systems
After reviewing your AC sizing calculator results with your installer, explore our complete HVAC systems. Check the included components, model numbers, refrigerant, electrical requirements, and installation configuration. Select equipment based on confirmed compatibility and performance, not tonnage or price alone.
Got Your Sizing Results? Let’s Find Your Unit.
Take the tonnage results from the calculator above and browse our real-time stock. If you need assistance verifying equipment compatibility or matching a condenser with the right evaporator coil, our team is available via live chat right now. Place your order today and get free nationwide shipping delivered in 3 to 5 business days.
