Right-sized Air Conditioners: Mechanical Equipment Improvements The ENERGY STAR Program promotes right-sized air conditioners where heating and cooling contractors carefully match system capacity to home cooling needs. Homes that include features such as increased insulation, air sealing, high-performance windows, and improved duct systems can dramatically reduce cooling loads. As a result, smaller, less costly air … [Read More]
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All About Ductless, Mini-Split Heat Pumps Ductless, mini-split-system heat pumps (mini splits) make good retrofit add-ons to houses with “non-ducted” heating systems, such as hydronic (hot water heat), radiant panels, and space heaters (wood, kerosene, propane). They can also be a good choice for room additions, where extending or installing distribution ductwork is not feasible. … [Read More]
Kinds of AC Systems Central Air Conditioners Central air conditioners circulate cool air through a system of supply and return ducts. Supply ducts and registers (i.e., openings in the walls, floors, or ceilings covered by grills) carry cooled air from the air conditioner to the home. This cooled air becomes warmer as it circulates through … [Read More]
Understanding Air Conditioning Energy-Efficient Air Conditioning Are you considering buying a new air conditioner? Or, are you dissatisfied with the operation of your current air conditioner? Are you unsure whether to fix or replace it? Are you concerned about high summer utility bills? If you answered yes to any of these questions, this publication can … [Read More]
Limitations when Replacing Existing Heating Systems In an existing home, it’s important to consider the impacts of replacing your current heating system with a different type of heating system. The easiest route is simply to replace your furnace or boiler with an updated model of the same type, but this may keep you from your … [Read More]
How To Size Heating and Cooling Systems Older space conditioning systems (more than 10 years old) are often unreliable and much less efficient than a modern system. When it’s time for a new replacement, choosing one of the correct size (heating and/or cooling output) is critical to getting the best efficiency, comfort, and lowest maintenance … [Read More]
