The Clean Air Act Blog: Posts Tagged ‘Heat Pumps’

How Efficient are Heat Pumps for AC and heating?

Monday, October 17th, 2011

Heat pumps are actually remarkably efficient when compared to some of the home heating alternatives out there in Portland. Especially if you’re already using electricity to heat your home, you can get generate huge savings on your monthly energy bills by switching to a heat pump system.

As their name suggests, heat pumps remove heat from the air and transfer that heat from one area to another. That means that in the winter, your heat pump will remove the heat from the air outside your home and pump that heat in to heat your home. During the summer months, that process is actually reversed, and heat pumps are able to cool your home by collecting the heat from your indoor air and pumping it outside.

Since heat pumps are actually just moving heat from one place to another rather than generating it all on their own, they don’t require much energy at all to operate. While you can buy furnaces that are as much as 97% energy efficient, they’re still using more energy than a heat pump would. The fact that the furnace is turning the vast majority of the energy that it uses into heat doesn’t mean that it still doesn’t require more energy to operate.

Just because heat pumps are more efficient than many other types of heating systems, you can’t just assume that all heat pumps are equally energy efficient. Just as different types and models of furnaces have different energy efficiency ratings, so too do the many types, sizes and models of heat pumps. Make sure you thoroughly compare your options before you settle on the right system for your home.

The energy efficiency rating of a furnace is easy to recognize, as each of them comes with a standard AFUE rating. If you’re looking to switch to heat pumps, however, it’s easy to get confused when you’re trying to compare the energy efficiency of various models.

Heat pumps actually have two separate measurements for energy efficiency. These are the seasonal energy efficiency ratio (SEER) and the heating seasonal performance factor (HSPF). Energy efficiency measurements for heat pumps reflect both the cooling and heating efficiency of the system, and so what’s best for you may vary depending on what you’re more likely to use your heat pump for. If you have any questions, contact your local contractor.

Continue Reading

Furnaces vs. Heat Pumps

Monday, October 10th, 2011

If you’re preparing to replace your existing heating system in Cornelius, you may very well be struggling with the question of whether to go with a furnace or a heat pump for all of your future home heating needs. Each of these systems have their own advantages and drawbacks, and once you’ve narrowed it down to one type or the other, you’ll still have a pretty wide variety of products to choose from.

Furnaces are still the most popular type of home heating equipment on the market. You can get furnaces that run on gas, oil or electricity, although gas furnaces are by far the most common type of furnace around these days. The latest models are extremely energy efficient, with AFUE ratings reaching into the high 90%s.

Like heat pumps, furnaces use ducts to transfer heated air throughout your home. They typically require regular maintenance once every year or two depending on the type of furnace you have, and they can be expected to last anywhere from 15 to 25 years when properly maintained. Most modern furnaces are also made to be compatible with a central air conditioning or cooling system as well.

Heat pumps, on the other hand, don’t generate the heat that they circulate throughout your house. Instead they are able to extract the heat from the air outside and pump it inside. This means that they use much less energy than even the most energy efficient furnaces.

However, heat pumps are only capable of heating your house comfortably when the outside temperature is above freezing. If you live in an area with particularly long and frigid winters, you’ll probably find that you need to supplement your heat pump with another heat source. Because of this, it actually makes little sense to use a heat pump in more extreme climates.

On the other hand, if you live in an area with relatively mild winters, heat pumps can be a great option. They provide a constant flow of warm air to all parts of your home and can also keep you house cool during hot summer months. To cool your home, heat pumps simply reverse the process they use to warm it. They take the heat out of your indoor air and pump it outside. This is a very effective home cooling method and makes heat pumps a great solution for year round comfort.

Continue Reading