SmartPower & SmartHomes

Sunday, June 28, 2015

Solar Air Conditioning & Heat Pumps
With sizzling summer heat blazing from coast to coast, staying cool is a serious concern for comfort and safety. Maintaining comfortable indoor air temperatures at home and office comes at a price. Using a traditional air conditioning system with a single-stage or 2-stage compressor throughout the summer will create a sizeable electric bill. Variable speed air conditioners and Mini-Splits with variable speed "DC-Inverter" technology will reduce your summer cooling expenses dramatically compared to traditional systems.

With lower "start-up" amps, which we refer to as "Locked Rotor Amps" (LRA), air conditioning systems with variable speed compressors are highly compatible with renewable energy solutions. Solar power is the Kryptonite to high energy bills. Renewable energy increases your property value, isolates you from electric rate hikes, allows you to own and generate your own electricity, provides optional back-up power and is capable to power your variable speed air conditioning system 100% !

Energy Efficiency Rating
The selection of variable speed air conditioning systems in the market can be overwhelming. Fortunately there are resources that will help guide you in making a wise selection. The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is one such source. It's 300+ member companies produce more than 90 percent of the residential and commercial air conditioning, heating, water heating, and commercial refrigeration equipment made in North America. Homeowners can read valuable information online about the efficiency of the HVAC systems they are considering.The efficiency of central air conditioning systems is rated by a Seasonal Energy Efficiency Ratio (SEER). In general, the higher the SEER, the less electricity the system needs to do its job. Read more about SEER ratings here at AHRI. For information on Heat Pumps and Variable Speed Air Conditioning click the links below:

SOLAR ELECTRIC AIR CONDITIONING
Unlike "solar thermal" air conditioning systems that operate under the theory that heating refrigerant under the sizzling summer heat before it is cycled through the condenser increases efficiency, Solar Electric Air Conditioning utilize renewable energy to generate electricity for cooling or heating of your home. A properly sized solar electric system can even provide enough electricity to power your lights and appliances up to 100% of your electrical needs.

ENERGY STAR® qualified—SunSource® condensing units meet or exceed EPA guidelines for energy efficiency. When combined with solar modules in a properly sized solar power system, this solution can reduce your heating and cooling bills up to 100%.

Watch the Lennox Solar Air Conditioning Video!

An added bonus is the Enphase Performance-Monitoring Website – Gives you 24/7 access to real-time data showing system status, energy production, and environmental benefits, including carbon offsets. Monitoring service is provided free for the life of the system.

For more information on optimum solar system design and installation of Grid-Tie or Off-Grid solar power systems and solar air conditioning, visit http://www.P3Powertech.com.

Next Up! Solar Water Heating and "Plug-n-Play" Solar Power Generators. No Gas, No LP, No Propane, No Noise! Isolate your home and office from power outages!

4 comments:

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james brownnSeptember 29, 2015 at 5:54 AM
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Solar kWh Costs - News Archive

Having recently seen single module PV prices dropping to a low of $0.60/Watt, it's no surprise to also see associated solar electric kWh costs plummet.

Searching through online archives we find a related article posted February 12, 2014 on www.Energy.Gov, by Erin R. Pierce, "The U.S. solar industry is growing at a record-breaking pace, while becoming more affordable and accessible than ever before. The industry’s forward progress comes in part thanks to support from the Energy Department’s SunShot Initiative.

Set up in 2011 to re-establish U.S. leadership in the solar marketplace, SunShot partners with industry, universities, local communities and the Department’s National Laboratories to aggressively drive down the cost of solar-powered electricity generation across America.

To achieve this goal, SunShot works to lower the price of solar electricity to $0.06 per kilowatt hour (KWh) -- a cost target that will make solar-generated power to be fully cost-competitive with traditional energy sources by the end of the decade."

Fast forward to 2015 and we read of a recent study by the Berlin-based Agora Energiewende, a leading German think tank. The lead author, and renewable energy specialist Daniel Fuerstenwerth says that one of the reasons for the study was the lack of recognition among policy makers and advisors about future cost falls in solar PV, and official forecasts which continued to downplay the potential role of the technology.

He goes on to say that "the cost reduction potential of large scale solar is still misunderstood, and predicts that solar PV will be the cheapest form of power within a decade, and cost less than $US0.02/kWh by 2050."

Originally published in RenewEconomy, we further read from the Angora report that “Our results indicate that solar power will become the cheapest source of electricity in many regions of the world, reaching costs of between Euro 1.6 and 3.7c/kWh in India and the Mena region (Middle East and North Africa) by 2050.

Cost competitiveness, we're told, with large scale conventional power plants will be reached in these regions already within the next decade, at a cost for solar power by 2025 ranging between 3.3 and 5.4 ct/kWh.

The article places emphasis on the fact that, "in UAE for instance, solar is already cost competitive, with a tender for 200MW of solar going at less than $US0.06/kWh, less than the prevailing cost of gas-fired generation at $US0.09/kwh."