Tip & How-To about Heating & Cooling

Becoming more efficient with your heating and cooling

Here are some ways to become more efficient with your heating and cooling. Obviously you do not have to do them in order but try to complete as many as you can! = )
· Buy a laser thermometer! You can use this to detect air leaks (or at least areas with “minor” temperature differences) so you know where to put seals
· Keep blinds shut on hot days and open on cold days----helps reduce temperature extremities
· If the temperature is can be negated by using a t-shirt or a jacket, use that clothing! You will save temperature control costs and still be able to keep warm or cool
· Do not use those old lightbulbs on hot days---they make extra heat increasing cooling bills (but you can use them on cold days to help warm your house)
· Utilize energy star products to increase efficiency comfortably
· Set your thermostat as low as is comfortable in the winter and as high as is comfortable in the summer.
· If you are on vacation, turn of that air conditioning/heating! No one will be in the house if everyone is away and it shouldn’t be too uncomfortable to wait like one hour for the house to cool/heat
· Don’t turn your thermostat up/down just to heat/cool faster---all temperature control changes the house temp at the same rate and if you forget to turn it off, you just wasted some energy there!
· Don’t block heating/cooling vents so that your rooms can be controlled quickly and so that your air actually gets controlled, not your furniture
· Check up your air conditioning and heating systems regularly (not once a month but maybe once every year) so that the systems stay running the best they can
source:
http://www.savingsnut.com/heatingcooling.html

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1 Answer

I have a goodman self contained heat pump that is 3 and 1/2 years old. I wake in the night to hear what sounds like the fan runnning and running and running and air moving thru the vents. Then I will hear what I think is the compressor kick on and the air will then become warm coming thru the ents. I have noticed that the Aux Heat comes on a lot with the thermostat sittig on 69 degrees. I know we have had a cold winter but I have noticed this 'fan running' noise when the temp outside is above 32 degrees. Also have noticed that my electric bill has double kilowatt hours from November to Decemeber and then 1/2 again in January.......HELP !


Heat pumps are a very efficient design when working properly. But lose efficiency the colder it gets outdoors. I usually tell people when it drops below freezing to turn the thermostat to aux or em. heat. A heat pump can remove heat from 20°f air. But not very well. More heat at 30°f air, obviously, and so on. So the colder it is outdoors, the longer it will operate to remove heat from outdoors. And then, if it can't keep up, it brings on the electric heat elements to compensate. Now you are running both outdoor and indoor heat. This is where it's inefficient and costly. Also, the outdoor will start to freeze up. This is normal unless you can see a substantial amount of ice. The heat pump will engage defrost mode, cycling on the electric heat indoors. And defrost mode is actually cooling mode! The reversing valve in the heat pump switches to cooling mode, cycles off the outdoor fan, and defrosts for a set time or temp. So now your electric heat is engaged, and your indoor coil is a COLD coil! Not hot! Very inefficient. These 2 things are why your elec bill is higher in the winter. So it makes sense to me, if the elec heat is going to be on anyway, to move the tstat to aux or em. heat, when it's going to be below freezing outdoors. This will turn off the heat pump and use elected heat only. The only down side to this is, if you don't have enough elec heat to keep you warm, you may need both heat pump and elec heat. So trial end error until you find what works. Also, have a qualified tech check the system for operation and efficiency. Hope this helps!

Apr 08, 2017 | Goodman PHKJ048-1 Air Conditioner

1 Answer

blows out cold air at times


Hi,

In their effort to try to boost the efficiency of the heating units the fan sometimes runs even when the air will feel really cool...

The fan may start up before the heat exchanger is warm and may run after the heat exchanger has cooled off...

Probably nothing wrong... just the way it is...

heatman101

Nov 16, 2010 | Goodman Heating & Cooling

1 Answer

Monitor Reset


The following conditions must occur to complete a Trip and test all OBD II monitors and components including the Catalyst Efficiency Monitor:
-- The misfire, comprehensive component, and adaptive fuel monitors are checked continuously from engine warm-up and can complete any time.
-- The exhaust gas recirculation (EGR) monitor test requires a series of idles and accelerations.
-- The heated oxygen sensor (HO2S) monitor requires a steady speed drive for approximately 1 minute at 30 to 40 mph.
-- The catalyst efficiency monitor requires a steady speed drive for 1 minute and 20 seconds beyond the HO2S monitor test at 40 to 65 mph.
If you cut engine off before test are completed then you must wait for a 6 hour cool down before monitors will run again.

Feb 06, 2009 | 1996 Nissan Quest

1 Answer

microwave oven trouble


Obviously, heat escaping from anything heated in the oven will indirectly heat the walls and the magnetron is not 100% efficient so it radiates a good deal of heat but that is normally carried off by the cooling fan and exhausted into the room air.

Oct 30, 2008 | Kenmore 63252 Microwave Oven

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