Question about Rinnai RHFE-1004FA 38,400 BTU Energy Saver Ductless Heater - LP Gas

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Using the rinnie as a major heating source for an older home

I have an older home with no central heat. My house is about 10 to 15 feet from a commoecial building. At times the wind blows very strongly between the two buildings. I was considering a direct vent heater(Rinnai) Would this be a good idea? If not what could be used?

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The smaller the vent the better. A Rinnai may heat an area just fine but a whole house is pushing it.

Posted on Jan 05, 2009

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What is the comparison of heating 1500 cu. ft. to 1000 sq. ft.?


a cubic foot is a 12inch by 12inch square by 12inch depth its like stacking 1500 little sq. boxes in a room or two.a 12ft by12ft room with 8ft walls would hold 1152 cubic feet or little boxes.so in comparison 1500cu ft is little more than one room,1000sqft is a small house.

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How a Central Air Conditioning System Works
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Facts:
  • The typical central air conditioning system is a split system, with an outdoor air conditioning, or "compressor bearing unit" and an indoor coil, which is usually installed on top of the furnace in the home.
  • Using electricity as its power source, the compressor pumps refrigerant through the system to gather heat and moisture from indoors and remove it from the home.
  • Heat and moisture are removed from the home when warm air from inside the home is blown over the cooled indoor coil. The heat in the air transfers to the coil, thereby "cooling" the air.
  • The heat that has transferred to the coil is then "pumped" to the exterior of the home, while the cooled air is pumped back inside, helping to maintain a comfortable indoor temperature.
  • Central air conditioning can also be provided through a package unit or a heat pump.

Benefits:
  • Indoor comfort during warm weather - Central air conditioning helps keep your home cool and reduces humidity levels.
  • Cleaner air - As your central air conditioning system draws air out of various rooms in the house through return air ducts, the air is pulled through an air filter, which removes airborne particles such as dust and lint. Sophisticated filters may remove microscopic pollutants, as well. The filtered air is then routed to air supply ductwork that carries it back to rooms.
  • Quieter operation - Because the compressor bearing unit is located outside the home, the indoor noise level from its operation is much lower than that of a free-standing air conditioning unit.





















ed.

Sep 10, 2008 | Amana Heating & Cooling

Tip

Solar Air Heating - You Can Cut Utility Costs and Save Money


Solar energy is becoming very quickly recognized as one of the best alternatives to fossil fuels It is an abundant and renewable natural resource. It can be used to save energy in residential, commercial, and industrial settings. Solar technologies will use the sun's energy to provide heat, hot water, light, electricity, and cooling, for homes, businesses, and industry.

Many major advancements have been made in the solar technology fields over the recent years. Solar air heating is becoming more attractive than ever before now that it is becoming lower in cost and more efficient. Solar energy is easily the cleanest and most inexhaustible of any of the known energy sources. The many variations in energy prices have fueled interest in alternative fuels such as solar energy. Demand for solar energy has been increasing exponentially as heating, cooling and many other energy costs continue to skyrocket.

Solar air heating and solar water heating are two examples of solar thermal technologies which produce heat, but not electricity. Solar air heat is best suited for installation in new construction and existing houses. Solar panels for any type of heating should be placed on a south-facing pitched roof, free of shade. The angle should be between 20 and 50 degrees. They may also be mounted on an angled frame on the ground or on a flat roof. Solar air collectors (the devices that heat up the air using solar energy) can directly heat individual rooms. They also can potentially pre-heat the air passing into a heat recovery ventilator or the air of an air-source heat pump. Solar heating panels can be one of the most cost effective ways to reduce your utility bills. This will make a positive contribution towards a better environment. Solar air heating systems often use large bins filled with rocks that store heat (although this method is becoming rare due to problems associated with controlling moisture and mold growth in the rock).

Energy Policy Act has implemented a 30% tax credit for consumers who chose to install solar water heating systems. State and local government programs are now being put in place to encourage the use of solar energy. Cash incentives are available for those that integrate solar energy technology as an alternative energy source. The Department of Energy (DOE) is working to design even more cost-effective solar heating systems and to improve the longevity of the materials used in those systems. Other incentive programs now include offering homeowners tax credits for solar panel installations and for solar heating systems. With solar power you will save money, increase your property value, help protect the environment and help to create a more secure America by reducing our dependence on foreign energy fuel sources.

A great solar heating system will save energy, reduce utility costs, and produce clean energy.

on Dec 12, 2009 | Heating & Cooling

1 Answer

I have Drayton Heating System in new home. I seem to be unable to put my central heating on without also having the water heater on. The boiler will come on if the water heating and central heating is on...


you will only be able to have the central heating on seperately if the system is fully pumped. Why would you not want the water to heat? it is more cost effective to use the residual heat to heat the water and keep the temperature up. Costs alot more to heat a cold house and a cold water tank

Nov 06, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

The resistance heating will not heat my home above 67 degrees. what is my problem?


Are you trying to heat a house larger than 600 square feet? I think that your unit is to small.

Jan 04, 2010 | Amana PTH123B25AJ Heat Pump Air...

5 Answers

What's the difference between EM HEAT and AUX HEAT?


Sorry, neither of these answers are completely correct.
You have a heat pump (or the wrong thermostat). Let's assume you have a heat pump.

In air conditioning mode, it works like every air conditioner you have ever had, but...

In heat mode, it reverses its operation. Have you ever felt the air coming out of the outdoor unit of your A/C unit? It's hot, isn't it. And the air coming out of the indoor unit (out of the registers) is cold. Now for a heat pump to produce heat it simply runs the air conditioner in reverse and the heat comes out in the house and the cold is released outside. Neat, huh!

Here's the problem with heat pumps...when it is really cold outside the heat pump can't produce enough heat to heat your home. So it has an additional heat source called "Auxiliary Heat". This heat comes on automatically when the house doesn't get warm enough. The source of this heat is based on the region of the country you are in. North/Northeast generally have oil heat, other regions have gas, and still others have to use electricity to heat. In Texas, we usually use electricity as the supplementary heat on heat pumps. VERY EXPENSIVE!

Now the "Emergency Heat"...this is exactly as stated in Solution #2. This is manually turned on by YOU at the thermostat when your heat pump fails. This turns on the auxilliary heaters and turns off the heat pump (remember, the reverse air conditioner). Again, this can be quite expensive to run if your heat source uses electricity! Gas and oil may be cheaper. The emergency heat is only designed (normally) to keep the house livable (not comfortable) until the Heating Tech can get out to you and fix your heat pump.

Something else you should know. It is normal for a heat pump's outdoor coil to frost up during heating mode. It will detect this and go into DEFROST mode and melt the frost off the coil. While it is doing this, it will turn on the auxilliary heater to keep the air blowing in the house at a reasonable "warm" temperature, but it will not be as hot as normal. In fact, heat pumps produce a lower temperature heat than traditional heaters. So the air may feel cooler during heating than you are use to anyway. This is normal and is not a sign of a problem.

So what do you do: Set your thermostat to the temperature you want and set the controls for HEAT/COOL and FAN-AUTO/ON and leave the EMERG HEAT off unless your heat pump breaks.

As always, keep your filters clean and your outdoor unit's coils clean and free of debris.

Hope this explains your question for you!

Oct 16, 2009 | Ruud Central System Air Conditioner

2 Answers

Heating the house causes breathing issues


if your ducts come off the end of your supply plenum and not the middle this could cause a problem in that the air doesn't have time and a place to mix before it leaves the plenum to the ducts. should be at least 12" from ducts to the end of plenum. i find this problem alot.

Jan 25, 2009 | Heating & Cooling

1 Answer

I need to know what size central heat and air unit i need for my house


Absolutely, can you give me the following info?
Do you have ducting? If so how many vents? How many return vents, and what size? How many square feet do you have to heat and cool? Are you replacing an old unit? If so whats the old units model number and make? Are you buying the Heat Pump, gas furnace, electric furnace, or dual fuel, or Air conditioner?

Thanks a lot of questions, but extremely important in sizing your home.

Dec 08, 2008 | Heating & Cooling

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