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No You can't cover the return air. Because the limit switch in the furnace will trip. If the furnace was working ok before I will check for air leaks in the return air.
Good luck
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∙ 12y ago
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Are receptors more numerous when they respond to heat or cold?
cold receptors are more numerous
Is it better to run in the heat or the cold?
It's better in cold because you can run faster. In heat you sweat more than in cold.
Which appear to be more numerous-receptors that respond to cold and heat?
cold
Which appear to be more numerous receptors that respond to cold or heat?
heat
Are more deaths caused by heat waves or cold waves?
Heat.
Why are there no large reptiles in cold countries?
Larger reptiles need more heat to warm up there body. Cold countries, being cold, cannot supply that heat.
Are cold or heat receptors more numerous?
More cool receptors than warm receptors in the skin.
What are the countries that receive less cold and more heat?
eXAMPLE:PHILIPPINES,jAMAICA,AND MORE
Why does Hot water extinguishes fire more effectively than cold water?
Hot Water extinguishes more effectively than cold water as it has a higher specific heat capacity than cold water.
Do more people die each year of excessive heat or excessive cold?
excessive cold
Why is it cold when there are less people and warm when there are more people?
our bodies always releases heat. so, when there are less people in a room, there bodies release less heat and we feel cold but when there are more people in a room there bodies release more heat and we feel warm.
Does the thickness of a pool solar cover help heat it faster?
The insulating property's of the cover may stop heat escaping resulting in the pool heating more quickly,
