What Temps Do Heat Pumps Work In?

A heat pump is one of the most energy-efficient methods to heat and cool your Waldorf house. That’s since they shift warm or cold air, instead of making it. But not all homeowners have been able to use this energy-saving technology. 

Previously, heat pumps were only advised for moderate climates, as they weren’t as effective when temperatures were close to or below freezing. When the heat pump couldn’t meet demand, the heating system would then rely on more costly electric heat as a backup heat source to keep the house cozy. 

With new technology, heat pump systems are now recommended for colder areas. Most can work well at much colder temperatures, although some could still need a secondary heating system if temperatures get too cold. But it’s essential to know that today’s backup heating solutions can also be more energy-efficient than previously. 

We’ll review the differing kinds of heat pumps so you can find the ideal one for your house. 

Air Source Heat Pumps: Best for Moderate Areas 

Air source heat pumps are the most used kind of heat pump. They have an outdoor unit and an indoor air handler. These systems shift heat from either the indoor air during the warmer weather, or outside air during the winter, keeping you cozy throughout the seasons. 

With updates in heat pump technology, these systems can now be added in a full range of climates. But it’s important to know that you will likely have to have an auxiliary source of warmth if temperatures get colder than 10 degrees Fahrenheit. This may include a dual-fuel system with a gas furnace. Heating switches between the two to give the most energy-efficient heating comfort across your house. 

Due to the requirement for dual-fuel systems in chillier climates, air source heat pumps are ideal locations without big temperature swings and lower heating requirements. 

Mini-Split Heat Pumps: Ideal for Spaces Without Ductwork in Colder Climates 

Mini-split heat pumps are one of the most adaptable kinds of heat pumps as they don’t have to have ductwork. This means you can use them just about anyplace in your house, such as a garage or addition. They’re also very energy efficient, with the majority achieving ENERGY STAR® recognition. 

Mini-splits use an outdoor unit that links to as many as four quiet, slim indoor units attached to your wall or ceiling. This provides you with zoned heating and cooling, with precise temperature control in each space. 

Outdoor air on even the chilliest days has some heat that your ductless heat pump can capture and move indoors. Depending on the type you choose, some cold-weather mini-split heat pumps from Mitsubishi can run in temperatures as cold as -13°F. 

Geothermal Heat Pumps: Ideal for Harsh Temperatures and Big Yards 

Geothermal heat pumps take advantage of balanced subterranean temperatures to significantly decrease your heating and cooling costs, usually by 25%–50%! These systems use buried pipes to shift heat to and from your house. 

Geothermal doesn’t make a lot of noise and can work for many years—approximately 25 years for the indoor unit and about 50 years for the loop. 

It doesn’t have to have a lot of service and is ideal if you are in an extreme climate. Most of the time, geothermal does not need a backup heating system. 

However, you’ll have to have a lot of space and the ideal kind of soil to add the underground loops. You should also be aware that installation costs around $20,000–$25,000 for a 2,500-square foot house. Although the installation cost is high, lifelong energy savings could help the equipment pay for itself over the years. 

Since geothermal saves a lot of energy, installing it could entitle you to federal tax credits and other rebates from your local energy provider. 

We Guarantee You’ll Be Satisfied with Our Heat Pump Installation 

There’s a reason why we refer to our A-Plus heating and cooling specialists Experts. That’s since they have an A+ when it comes to helping homeowners like you choose the ideal heat pump system for their house. 

But their service doesn’t stop with heat pump installation. We stand behind our work with a 100% Satisfaction Guarantee* for a year, since we want you to experience the highest comfort you can receive from your new heat pump. 

And keep in mind special offers, rebates and financing for qualified customers. Getting a new heat pump is even more reasonable than you may realize. Contact us at 301-747-3140 to book your free home comfort assessment now! 


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