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How a heat pump works and how to size one
A heat pump moves heat rather than creating it by burning fuel. In summer it pulls heat out of your home to cool it, and in winter it reverses to pull heat from outside air and bring it indoors. Because one system handles both heating and cooling, sizing matters. A unit that is too large short cycles and a unit that is too small struggles on the coldest days. Most heat pumps also use a supplemental heating element to assist during very cold weather, so the heat pump and the backup heat need to be sized together for your home.
Installation and application questions
Many buyers ask whether they can install a system themselves, whether refrigerant line sets come precharged, and how to size a ductless mini split. AC Direct sells HVAC equipment online and does not perform installations or service. You can have your system installed by a licensed local technician, and installation instructions are available so you and your installer can review them in advance. If you have application questions about duct design, airflow direction such as upflow or downflow, or matching components, support is available to point you in the right direction.
Warranty, shipping, and ordering
The manufacturer parts warranty is one of the most asked about topics. Coverage applies to defective factory components and often runs up to 10 years when you register the system on time. The warranty does not include labor, which your local technician handles. Buying direct online does not void coverage as long as the system is installed correctly and registered. AC Direct also notifies you when your order ships and explains your responsibilities at delivery so freight arrives without surprises.
Why buy direct from AC Direct
| Topic | What to know |
|---|---|
| How it works | Moves heat to both heat and cool your home |
| Sizing | Match unit and supplemental heat to your home |
| Installation | Done by your licensed local technician |
| Warranty | Parts covered, labor handled locally |
Buying direct can lower the cost of a new system because you skip contractor markups on equipment. The AC Direct Price Promise backs the value, and free technical support helps you confirm you are ordering the right system for your space.
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Factory-warrantied systems shipped direct
Common questions
How is a heat pump different from a furnace?
Can I install a heat pump myself?
Does the heat pump warranty include labor?
Does buying online affect my warranty?
25 years sizing and shipping HVAC systems to homeowners and contractors.