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Do Heat Pumps Work in Pittsburgh?

Heat pump

As homeowners seek efficient and sustainable heating and cooling options, electric heat pumps have gained popularity as a viable, year-round home comfort solution. However, evaluating the suitability of this HVAC solution for specific climates like Pittsburgh, PA involves the consideration of several factors. This article explores the viability of heat pumps in Pittsburgh, addressing vital aspects such as climate conditions, specific types, overall efficiency and performance, and installation considerations. Read more to see if a heat pump is the correct solution for your Pittsburgh home!

Understanding the Pittsburgh, PA Climate

Pittsburgh, PA experiences a humid continental climate with four distinct seasons. Winter months can be very cold and snowy, with temperatures typically ranging between 20-30°F and occasionally dropping into the negatives. Summers are often warm and humid, with temperatures generally ranging between 70-85°F and at times pushing into the 90s. Given the variance in Pittsburgh’s seasons and temperatures, it is crucial to assess how heat pumps perform in both heating and cooling scenarios.

What Are Heat Pumps and How Do They Work?

Heat pumps can be used to heat and cool your home and act as an alternative to gas furnaces, baseboard heaters, boilers, air handlers, forced air systems, central air systems, etc. They run on electricity and take advantage of naturally occurring temperature differences to transfer heat into or outside of buildings and homes. It is the same technology used in refrigerators and air conditioners.

In the winter, a heat pump extracts heat from the outdoor air and brings it inside to heat your home. In the summer, it removes heat from within the home and releases it outside. Heat pumps are more energy efficient and environmentally conscious compared to traditional heating and cooling systems. There are two main types of heat pumps that are relevant to Pittsburgh, PA homeowners.

Air Source Heat Pumps (ASHP)

ASHPs extract heat from the ambient air. In the winter, heat pumps gather heat from the outside air and transfer it indoors. In the summer, they work in reverse, cooling the indoor environment by moving heat outside.

Advantages:

  • Cost: Cheaper to install than most GSHPs
  • Installation: Easier and quicker installation as it does not require digging/drilling
  • Space Requirement: Requires significantly less space than GSHP installation

Disadvantages:

  • Efficiency: Efficiency can decrease in extremely cold temperatures (Modern cold climate ASHPs have improved performance in low temperatures)
  • Lifespan: Typically has a shorter lifespan than GSHPs (15-20 years)
  • Noise: Outdoor units can be noisy while running

GroundSource or Geothermal Heat Pumps (GSHP)

GSHPs use the consistent temperature of the ground to provide heating or cooling for your home. These systems require the installation of underground loops that circulate a fluid, which absorbs heat from the ground in the winter and dissipates heat back into it in the summer.

Advantages:

  • Efficiency: Operate with high efficiency (regardless of outdoor air temperatures, ground temperatures remain relatively stable)
  • Lifespan: Longer lifespan than ASHPs (20-25 years for indoor components & 50+ years for ground loop)
  • Quiet Operation: Quiet operation due to the outdoor unit being buried underground

Disadvantages:

  • Cost: Higher upfront cost due to the need for extensive digging/drilling=
  • Installation: A more complex and time-consuming installation process
  • Space Requirement: Requires land for horizontal loops or suitable geology for vertical loops (may not be possible in all locations)

In conclusion, ASHPs are better for homeowners who are looking for an affordable, easy-to-install home comfort solution, while GSHPs are better for homeowners who are willing to invest more upfront for a more efficient, longer-lasting solution, particularly in areas with extreme temperature variations.

What Temperatures Do Heat Pumps Work In?

Most heat pumps can cool your home even when the temperature reaches over 100°F. Pittsburgh’s summer humidity does pose a challenge, but heat pumps can efficiently control both temperature and humidity levels. When it comes to heating, many models do not work once the temperature dips below 30°F. However, many manufacturers offer cold climate models that are designed to operate efficiently in temperatures as low as -10°F. These systems can often provide sufficient warmth for Pittsburgh’s winter conditions while utilizing less energy than conventional systems, and overall lowering heating costs.

Heat Pumps in Pittsburgh: Heating Performance

Modern heat pumps, especially those with advanced cold climate technology, have significantly improved in their ability to provide reliable and efficient heating in frigid winter temperatures. By leveraging innovations in compressor technology, refrigerants, and heat exchangers, these systems offer a viable and often superior alternative to traditional furnaces and boilers.

Heat Pumps in Pittsburgh: Cooling Efficiency

Heat pumps excel in providing efficient cooling in temperate climates, making them well-suited for Pittsburgh’s summers. Despite the challenge of high humidity levels, modern solutions equipped with advanced dehumidification systems can effectively control both temperature and moisture levels, significantly enhancing indoor comfort during hot, summer months.

Installation Considerations

When considering the installation of a new heat pump in Pittsburgh, it is important to take the following factors into account:

  • Sizing the System – Proper sizing is crucial for optimal performance of any home comfort system including heat pumps. Contact an HVAC professional at Calfo Home Services to perform calculations to determine the right size heat pump for your Pittsburgh home. These calculations take into account your home’s installation, size, and layout.
  • Installation Costs – Initial installation costs for heat pumps may be higher than traditional systems, however, the energy savings over time can offset these expenses (it is important to note that ASHPs tend to be more cost-effective than GSHPs).
  • Local Incentives – The state of Pennsylvania offers various rebates and incentives for energy-efficient heating and cooling systems. Researching these options can help reduce the upfront costs of heat pump installation significantly.

Expert Heat Pump Installation in Pittsburgh, PA 

Heat pumps can be an effective solution for home comfort in Pittsburgh, provided that homeowners choose the right type and model for the specific needs of their home. By ensuring proper installation and system sizing, Pittsburgh homeowners can enjoy the benefits of energy efficiency, lower utility bills, and year-round comfort. Contact Calfo Home Services, your heat pump installation and repair experts. If you have any questions about heat pumps or other home comfort solutions, give us a call!