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2
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3answers
4k views

How to prevent incandescent light bulbs from heating up the room, safely?

Currently I have ten 60W incandescent light bulbs heating up my room, very little ventilation, and no ideas on how to stop them from making the room so very hot. If I had other lighting option, I ...
1
vote
1answer
818 views

How can I straighten bent refrigerator radiator fins?

I'm a little worried about the reduction in airflow... should I be? And if so, how should I straighten the fins?
2
votes
4answers
5k views

How can I measure the r-value of a wall?

What is a reproducible test to measure the r-value of an exterior wall? Or even a specific spot on a specific wall? It needn't produce an absolutely certain result, but a good estimate with known ...
3
votes
4answers
14k views

Is there a window or portable AC system I can use with an awning window?

My bedroom gets ridiculously hot and I taped tin foil over the window. It didn't help much. I'm thinking of getting an air conditioner but the ledge on the window is small and the window doesn't open ...
6
votes
6answers
7k views

Should I open the top or bottom of double hung windows?

I'm a new home owner and was wondering if there is a "right" way to use the double hung windows in the house. Should I open the top or bottom? Is there a seasonality to it? Does it even matter at ...
2
votes
1answer
3k views

What type of motor do I need for my attic fan?

My attic fan motor appears to be on the fritz (makes a buzzing sound and the fan tries to turn but won't make it more than 1-2 revolutions without sticking). I'm trying to figure out what type of ...
7
votes
5answers
5k views

How do outdoor mist-cooling A\C units fare in real-world usage?

I live in Phoenix where summer outdoor temperatures regularly exceed 110°F and humidity around 15% or lower is not uncommon. In this environment a mist system can easily pull the temperature down ...
8
votes
1answer
26k views

How do you trigger the HVAC with wiring only?

I have a HVAC that has the usually wiring C R G W Y Pinouts What wires do I need to connect to turn on Heating? What wires do I need to connect to turn on the A/C? Is there a risk of damaging any ...
3
votes
2answers
6k views

Can I use a stairwell ceiling fan to save energy?

We have a two story house, with a small ceiling fan mounted above the main stairway. The house has separate thermostats for heating/cooling the upstairs and downstairs. During the day, we spend 90% ...
3
votes
3answers
9k views

Natural ways to keep the ceiling cool during summer

I live in the single floor independent house in South India with the ceiling exposed to sun. In summer it gets really hot. I am not an expert but was wondering if there is a traditional/natural way ...
3
votes
3answers
17k views

Cheapest way to heat and cool a converted garage?

I'm converting my two car garage into a home theater and was seeking some advice on the cheapest way to heat, cool, and dehumidify the room. Here are some details: Garage was once a model home ...
2
votes
1answer
3k views

How can I prevent heat loss through heater/air conditioner wall units?

HVAC experts out there... I live in Wisconsin and it gets mighty cold here! I have a condo with 2 wall units that are used for both air conditioning and heat. My heat bill in the cold winter months ...
2
votes
2answers
5k views

Why would ceiling fan reverse air flow without me changing directions?

I have this exact ceiling fan, and so far it has worked nicely. It is mounted in my bedroom, I believe height to floor is about 12 feet and the rod from the ceiling to the actual fan is about 18 ...
16
votes
4answers
30k views

Why don't programmable thermostats automatically switch between “Cool” and “Heat”?

While I can set my house to be a particular temperature, I still have to manually switch it between "Heat" and "Cool" mode, and this seems to be true of every thermostat (programmable or not) that ...
3
votes
3answers
579 views

Shading windows from outside (awnings, shutters, etc) to keep house from overheating in summer

The back of my house faces west, and during July and August, the sun hits it directly in the afternoon through evening. On a warm day, this can cause the house to heat up quite a bit, so I'm making ...
1
vote
1answer
595 views

At what temperature will it be better to close the windows than to open them (if you want to keep your home cool in the heat)? [closed]

Say that you've already covered up all the windows (although heat will still be transferred through heating the windowshades).
2
votes
1answer
75 views

Calculating the effectiveness of sunlight reduction solutions

Our new place has a few large windows facing west - this makes for a baking-hot house in the afternoons. Curtains have been put up, but they are hot to the touch, and the rooms do feel hot (dark ...
6
votes
4answers
2k views

Heating/cooling system recommendations for this small house?

I will soon build my first house and I need to choose what type of heating/cooling system I'll have installed. I know very little about this and I'm seeking recommendations, ideas, suggestions, etc. ...
4
votes
1answer
1k views

A/C escaping down the staircase

I live on the second floor of a century-old house that doesn't have central air. We have a large window A/C unit in the main hall but our front door is at the bottom of the stairs rather than the top. ...