Skill Builder Guides & reviews for building and construction
Part 2 https://youtu.be/1rKNT7-42J0?si=lLdm5_o4P8s3jBoJ
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Roger interviews an air source heat pump owner who has been heating his house with the system for 5 years.
John’s LG Therma V Monobloc Air Source Heat Pump
https://www.lg.com/uk/air-to-water-heat-pumps/monobloc
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Air Source Heat Pump Pros and Cons
Air source heat pumps (ASHPs) have garnered significant attention as an eco-friendly alternative for heating and cooling homes. They extract heat from the outside air, even in cold weather, to heat homes and provide hot water. This technology offers several advantages but also comes with some drawbacks.
PROS
1. Energy Efficiency: ASHPs are highly efficient, often delivering three to four times more energy than they consume. This is because they move heat rather than generate it, making them more efficient than traditional heating systems like boilers and electric heaters.
2. Reduced Carbon Footprint: By using electricity, often from renewable sources, ASHPs lower the carbon emissions associated with home heating. This is crucial in the context of climate change and the global push for greener energy solutions.
3. Lower Heating Costs: Over time, the efficiency of ASHPs can translate into lower heating bills, especially when replacing conventional electric, oil, or coal heating systems.
4. Cooling Function: In addition to heating, ASHPs can cool homes during warmer months, working like an air conditioner but often more efficiently.
5. Government Incentives: Many regions offer incentives, such as tax credits or rebates, for installing energy-efficient ASHPs, further offsetting the initial investment.
CONS
1. High Initial Cost: Installing an ASHP system can be costly, especially when retrofitting older homes. This includes the cost of the unit and any necessary modifications to the home’s existing heating system.
2. Performance in Extreme Cold: While ASHPs can operate in cold weather, their efficiency drops as the temperature falls. In freezing climates, supplementary heating might be necessary, reducing the overall benefit.
3. Noise Level: Some ASHP units can be noisy, which might be a concern in densely populated areas or for homes where outdoor units are near living spaces.
4. Aesthetic Impact: The external unit of an ASHP can be large and may not blend well with the building’s exterior aesthetics.
5. Requires Electricity: While more efficient, ASHPs still rely on electricity, which can be a downside in areas with high electricity prices or frequent power outages.
While air source heat pumps offer an efficient and environmentally friendly option for home heating and cooling, they also require a significant initial investment. They may not be ideal in all climates or settings. The decision to install an ASHP should be based on individual circumstances, including local climate, the current heating system, and financial considerations.
