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Q&A Spotlight
Heating and Cooling With a Dual-Fuel Heat Pump System

What is the best size heat pump to use in combination with a new gas furnace?
Building Science
How to Get the Right Size Air Conditioner

To avoid oversized equipment, first understand key concepts like cooling load vs. capacity, latent vs. sensible heat, and design load vs. part load
Building Science
Sizing a Heat Pump System for Cooling

Remember this rule of thumb: 5 tons is never the answer

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Heating and Cooling With a Dual-Fuel Heat Pump System