Choosing the Right Heat Pump

Heat Pumps aren’t a new technology, or even one which has recently undergone a scientific breakthrough which has catapulted them into the spot light! In fact, Heat Pumps have been around for many years. What has brought them back into the spot light is the increasing awareness of the way our lives have an impact on the environment and the ways we can change our homes to reduce this impact.

Heat Pumps offer today’s home and business owners a sustainable alternative to gas, oil and electric heating; all of which use non-renewable fossil fuels to generate heat for the home. Instead of this, Heat Pumps use the natural heat which exists within the atmosphere and ground to generate the same heat. As a result we can now heat our home and water supply from a completely self-sufficient and an in-exhaustible supply of fuel!

Company Resource:   Ground Source Heat Pump, Industrial Air Conditioner
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Heat Pump Pro’s

1. Heat pumps can be used in Toronto almost year-round. Air conditioners are only used for a few short weeks of summer.

2. The price difference between heat pumps and air conditioners is becoming smaller and smaller. Ductless units lead the way. Today ductless heat pumps cost only $200 more than their equivalent air conditioners. At this small premium, ductless heat pumps are already a no-brain winner against ductless air conditioners.

3. Central air heat pumps may still cost $1000 more that equivalent central air conditioner, but even at this premium a heat pump is an easy choice instead of an air conditioner if you use electricity, propane, or oil for heating.

4. “Smart” hydro meters are coming. Here in Toronto, electricity at night and on the weekends will cost only 3.2 c per kilowatt. At this price and at 300% efficiency, electricity is becoming the energy of choice for heating.

5. Heat pumps take advantage of global warming. As winters in Toronto are getting milder, heat pumps are becoming more profitable.

6. No reason to worry about carbon monoxide poisoning or fuel (gas, propane, oil) escape inside of the house.

Company Resource:    Household Heat Pump, Swimming Pool Heat Pump
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Main air conditioner parts

There are six parts in this category. Let’s explore them one by one,

1.The compressor
Used for compressing refrigerant into high pressure gas into the condenser, and pulling in low pressure gas from the evaporator. The high pressure and low pressure is created by the compressor.
Common compressors used are piston type, scroll, and rotary compressors

2.Condenser and evaporator
These are simple finned heat exchangers. These air conditioner parts, are formed using a serpentine shaped copper (or aluminium) tube, with aluminium fins.
Although the functions are different, the operating principle of these parts is the same. To encourage heat exchange between the refrigerant and air.
Condenser will function to liquefy high pressure refrigerant. Evaporator will function to completely boil low pressure refrigerant, into low pressure gas

3.Expansion device
Common expansion devices are either capillary tube, OR thermostatic expansion valve. The function is to allow pressure build up from the compressor, and allow for refrigerant to expand into low pressure zone. This air conditioning part will also allow for boiling to start

4.Tube
Tubes are air conditioner parts that has no moving parts. The main function is to direct refrigerant flow, and contain refrigerant within the AC. Common tube material is either copper, or aluminium

5.Refrigerant
Air conditioners would not be able to cool, or heat anything without a refrigerant. Therefore, this part is essential. Refrigerant is used for absorbing (at evaporator), and expelling (at condenser) heat.

Common refrigerant type used in mechanical ACs are the HCFC (hydro-chloro-fluoro-carbon), and HFC (hydro-fluoro-carbon)

6.Fans and blowers
Fans are placed at the condenser, and blowers are placed at the evaporator – to aid heat exchange. Blowers will also provide better air circulation within your house – and these supply with cool air to you, from the evaporator

 Company Resource:   Ground Source Heat Pump, Industrial Air Conditioner

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Many other things you can do to lower you electric bill

There are many other things you can do to lower you electric bill. Things such as, inspect, clean, or replace your air conditioner filters monthly. When you are not in your home, raise the temperature on your thermostat, keeping in mind pets when you do. Lower the temperature of your water heater to 120 degrees, wash only full loads in your dishwasher or clothes washer, and use the energy saving cycle on the dryer.

Other steps you can take include, replacing incandescent bulbs with fluorescent lamps, this could save up to 75% on lighting costs. You should also caulk all windows, doors, and pipes to prevent air leaks in or out, use weather stripping around windows, doors and pipes as well. Have your ducts tested for air leaks; leaking ducts can reduce the efficiency of your air conditioner by up to 20%.

Company Resource:    Swimming Pool Heat Pump, Mini-chillers
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Weather-A affect the cost of running Air Conditioners

The difference in weather conditions from year to year will affect the costs as well. This is basically geared towards the difference in costs per year. One summer might be cooler than the next, which will lead to a greater bill.
When using an air conditioner there are many different factors that can directly affect the cost of running it. These factors include the geographical location of your home, where you live and the amount of work the air conditioner has to do greatly influence the cost. If you live in an area that has mild summers and extremely cold winters, obviously your air conditioner will not have to work as hard. However, if you live in an area, that has warm winters and boiling summers the air conditioner will have to work double time to maintain comfort.

Company Resource:    Swimming Pool Heat Pump, Mini-chillers
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Getting the Right Size

Room air conditioners like all air conditioning units are rated by the number of British Thermal Units (BTU) of heat they can remove per hour. Another common way of rating air conditioners is by the “ton,” some example are 5,500 BTU per hour or 14,000 BTU per hour.

Getting the right size room air conditioner for your application is crucial. If you get the wrong size you can easily waste large volumes of electricity. The size of your air conditioner depends upon:
?How large is your home and how many do you have?
?How much shade do you have? Do you have shade on your home’s windows, walls, and roof?
?Are the ceilings and walls of your home insulated properly?
?Do you have air leaks?
?How much heat do you, the occupants, and appliances generate?

Remember the key to any air conditioners efficiency and performance depend on you properly matching the size of the AC unit to your specific application.

Company Resource:    Mini-chillers, Ground Source Heat Pump
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Selecting a Room Air Conditioner

Once you’ve decided to purchase a room air conditioner make sure you look for the Energy Star label. If every room air conditioner sold in the U.S. were Energy Star qualified, we could prevent 1.2 billion pounds of greenhouse gas emissions to put that into perspective that is equivalent to the emissions from 100,000 cars. Energy Star room air conditioners use at least 10% less energy than conventional models.

In the room air conditioner game Energy Star isn’t the only certification to be looking for. You should also look for Association of Home Appliance Manufacturers or AHAM Certified units. Why? AHAM Certified room air conditioners have their EER ratings verified by an independent laboratory.

Company Resource:   Air Source Heat Pump, Modular Air Conditioner,
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Best Advice on Heat Pump Maintenance

1.Cleaning Your Pump Filter Regularly.This should be a do-it-yourself task. Or at least, that is ideally how it should be. Your pump comes with a handy instruction manual you can consult about how to clean your filter.

2. Hire a professional cleaner. If the task before you is confusing you to no end then you shouldn’t risk damaging the pump. Hire someone to help you. You won’t regret it

3. Buy a new pump. There just comes a time when heating pump problems are just way grave to repair. It may even be more cost effective to replace the pump altogether.

Company Resource:    Swimming Pool Heat Pump, Mini-chillers
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Heat Pumps – Overview

Heat pumps are part of every day life these days. You might not always recognize a heat pump when you see one, but at this moment, heat pumps are working hard in your home, making life more enjoyable. While tooling around the house, you may turn on the air conditioner if it’s too warm, or during colder seasons, you might turn the temperature up on the thermostat. Something cool and refreshing from the kitchen, or indulging in some tasty baked goods? All of these are examples of how heat pumps help make a home more comfortable, and life more livable every day. A heat pump is basically any device that moves energy in the form of heat from an area of higher temperature to an area of lower temperature, and vise versa.

Company Resource:   Air Source Heat Pump, Modular Air Conditioner,
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Work of Heat Pumps

“How Do They Work?” Most heat pumps are “air-to-air” and use a fluid medium to absorb heat from the air at one location and transfer it to the air at another. Refridgerators and air conditioners are both examples of one-way heat pumps. But the cycle is reversible, and heat pumps can be used almost year-round to move heat either way. However, they can only extract heat from outdoor air down to a point where they are no longer economical; and at some lower point, most don’t work at all. Ground and water source heat pumps are more efficient, but several times more expensive, and not suitable for all locations. “Bi-valent” heat pumps use a gas or oil-fired heater to pre-heat the outdoor coil, so that the heat-pump can continue to operate more efficiently in colder weather.

Company Resource:   Air Source Heat Pump, Modular Air Conditioner,
Read more:  http://www.cn-skysea.com/Blog/

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