Are there any systems that provide central heating and cooling in one location?

Are there any systems that provide central heating and cooling in one location?
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1 Answer

Answer :

Yes. HVAC systems offer both heating and cooling.
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Related questions

Are there any home systems that provide both heating and cooling in one?

Description : Are there any home systems that provide both heating and cooling in one?

Last Answer : Most home systems do offer both heating and cooling in one. Some of the older systems have separate heating and cooling. Heat pumps provide both heating and cooling. Other types of systems do not. ... a home if it's not excessively cold and therefore you usually need a supplementary heating system.

If you were designing a slightly-better-than average new house, what Green- or alternate energy / heating / cooling features or systems would you incorporate?

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Last Answer : Geothermal would be a must. I’d want a large, southern-facing Tesla solar roof and power walls, some kind of rainwater storage solution, veggie garden/compost, spray foam insulation.

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What heating & cooling systems work best in the midwest?

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Pick out the wrong statement. (A) 'Solvates' are chemical compounds formed by solute with their solvents. When water is the solvent, then it is called a 'hydrate' (B) In heat exchanger calculations (Δt) weighted is used in place of Δt, when it involves more than one sequence of heating or cooling i.e., desuperheating & condensation or condensation & sub-cooling (C) Heat transfer co-efficient during nucleate boiling is not influenced by the agitation imparted (D) In case of short tube vertical evaporators, area of central downtake is about 50 to 100% of the total tube cross-sectional area

Description : Pick out the wrong statement. (A) 'Solvates' are chemical compounds formed by solute with their solvents. When water is the solvent, then it is called a 'hydrate' (B) In heat exchanger ... vertical evaporators, area of central downtake is about 50 to 100% of the total tube cross-sectional area

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Are Scoville numbers constant, or do they increase/decrease over time and with heating/cooling?

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Do cats really consider their humans as interchangeable heating pads or cooling units?

Description : Do cats really consider their humans as interchangeable heating pads or cooling units?

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A colourless water-soluble compound on strong heating liberates a brown colored gas and leaves a yellow residue that turns white on cooling. An aqueou

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In some areas heating and cooling of homes is now popularly done by what?

Description : In some areas heating and cooling of homes is now popularly done by what?

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Can electricity be responsible for heating and cooling a house?

Description : Can electricity be responsible for heating and cooling a house?

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Where can I find a new heating and cooling system?

Description : Where can I find a new heating and cooling system?

Last Answer : Without knowing where you are located, I can answer generally but not specifically. Home Depot (located almost everywhere) specializes in heating and cooling systems starting as low as $299.

How can I become more green with my heating & cooling?

Description : How can I become more green with my heating & cooling?

Last Answer : You can install a geothermal heating system which consists of a long pipe that pumps heat out of the ground during the winter or into the ground during the summer, Depending on ... can also install vapor barriers with your insulation. Controlling moisture is critical for efficient climate control.

Dew point can be best defined as the: a. Absolute temperature at which air, upon heating, will evaporate moisture b. . Percentage of moisture that air can hold at a given temperature and pressure c. . Temperature that air will begin to evaporate moisture d. . Temperature at which air, upon cooling, becomes saturated, causing moisture to condense should the temperature drop further e. . Atmospheric pressure at which air will condense moisture

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Last Answer : Answer: D

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Last Answer : ANSWER : B

When, H1 = Total heat of air entering the coil (heating or cooling) H2 = Total heat of air leaving the coil (heating or cooling) H3 = Total heat of air at the end of the process (humidification or dehumidification) then, the sensible heat factor (H2 – H1) / (H3 – H1) represents the process of A. cooling and humidification B. cooling and dehumidification C. heating and humidification D. heating and dehumidification

Description : When, H1 = Total heat of air entering the coil (heating or cooling) H2 = Total heat of air leaving the coil (heating or cooling) H3 = Total heat of air at the end of ... A. cooling and humidification B. cooling and dehumidification C. heating and humidification D. heating and dehumidification

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In sensible heating or cooling, A. work done remains constant B. dry bulb temperature or air remains constant C. both of the mentioned D. none of the mentioned

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DNA shows hyperchromicity on: (1) heating (2) cooling (3) crystallizing (4) replication

Description : DNA shows hyperchromicity on: (1) heating (2) cooling (3) crystallizing (4) replication

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What is the relationship between COP of heating and cooling ?

Description : What is the relationship between COP of heating and cooling ?

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Why is the Earth's core hot? What caused it to heat up? Is it still heating, or now cooling?

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Deoiling of wax is done by its (A) Heating (B) Cooling (C) Solvent extraction (D) Both (B) & (C

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The critical mass of a fissionable material can be reduced by (A) Heating it (B) Cooling it (C) Surrounding it by neutron reflecting material (D) Surrounding it by neutron absorbing material

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Process of heating milk to 72°C about 16 seconds and then cooling it to 4°C to destroy harmful bacteria is known as?

Description : Process of heating milk to 72°C about 16 seconds and then cooling it to 4°C to destroy harmful bacteria is known as?

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Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? (A) Humidification only (B) Heating only (C) Both heating and humidification (D) Evaporative cooling

Description : Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C ... (B) Heating only (C) Both heating and humidification (D) Evaporative cooling

Last Answer : (C) Both heating and humidification

Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? (A) Cooling and dehumidification (B) Heating and dehumidification at almost constant wet bulb temperature (C) Dehumidification with dry bulb temperature remaining constant (D) None of these

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Heating and cooling in welding is a. Even b. Non-even c. Cannot say d. None

Description : Heating and cooling in welding is a. Even b. Non-even c. Cannot say d. None

Last Answer : b. Non-even

Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re 0.8 . Pr n , is not valid, if the value of (A) n = 0.4 is used for heating (B) n = 0.3 is used for cooling (C) Reynolds number for the flow involved is > 10000 (D) Reynolds number for the flow involved is < 2100

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Bacterial species in fish are naturally adapted to the cold environment in which most fish live and thus, _____ will not affect them; _____ is preferred. a. heating, cooking b. cooling, refrigeration c. warming, boiling d. cooling, freezing

Description : Bacterial species in fish are naturally adapted to the cold environment in which most fish live and thus, _____ will not affect them; _____ is preferred. a. heating, cooking b. cooling, refrigeration c. warming, boiling d. cooling, freezing

Last Answer : d. cooling, freezing

Pick out the wrong statement.(A) Pasteurisation of milk involves moderate heating followed by cooling (B) Bakeries and breweries make use of yeasts (C) Enzyme is a complex nitrogenous compound (D) Oils and fats are alkaloids

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All gases above its inversion temperature, in a throttling process will show (A) A heating effect (B) No change in temperature (C) A cooling effect (D) Either (A) or (C)

Description : All gases above its inversion temperature, in a throttling process will show (A) A heating effect (B) No change in temperature (C) A cooling effect (D) Either (A) or (C)

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Heat pump (A) Accomplishes only space heating in winter (B) Accomplishes only space cooling in summer (C) Accomplishes both (A) and (B) (D) Works on Carnot cycle

Description : Heat pump (A) Accomplishes only space heating in winter (B) Accomplishes only space cooling in summer (C) Accomplishes both (A) and (B) (D) Works on Carnot cycle

Last Answer : (C) Accomplishes both (A) and (B)

Write down the effects of heating and cooling on gases

Description : Write down the effects of heating and cooling on gases

Last Answer : Gas expand on heating and contract on cooling

Write down the effects of heating and cooling on solids

Description : Write down the effects of heating and cooling on solids

Last Answer : Solid expand on heating and contract on cooling

The expression for entropy change, ΔS = n Cp. ln (T2/T1), is valid for the __________ of a substance. (A) Simultaneous pressure & temperature change (B) Heating (C) Cooling (D) Both (B) and (C)

Description : The expression for entropy change, ΔS = n Cp. ln (T2/T1), is valid for the __________ of a substance. (A) Simultaneous pressure & temperature change (B) Heating (C) Cooling (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for (A) Expansion of a real gas (B) Reversible isothermal volume change (C) Heating of an ideal gas (D) Cooling of a real gas

Description : The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for (A) Expansion of a real gas (B) Reversible isothermal volume change (C) Heating of an ideal gas (D) Cooling of a real gas

Last Answer : (B) Reversible isothermal volume change

What happens in a reversible adiabatic expansion process? (A) Heating takes place (B) Cooling takes place (C) Pressure is constant (D) Temperature is constant

Description : What happens in a reversible adiabatic expansion process? (A) Heating takes place (B) Cooling takes place (C) Pressure is constant (D) Temperature is constant

Last Answer : (B) Cooling takes place

The expression, ∆G = nRT. ln(P2/P1), gives the free energy change (A) With pressure changes at constant temperature (B) Under reversible isothermal volume change (C) During heating of an ideal gas (D) During cooling of an ideal gas

Description : The expression, ∆G = nRT. ln(P2/P1), gives the free energy change (A) With pressure changes at constant temperature (B) Under reversible isothermal volume change (C) During heating of an ideal gas (D) During cooling of an ideal gas

Last Answer : (A) With pressure changes at constant temperature

What happens in a reversible adiabatic compression? (A) Heating occurs (B) Cooling occurs (C) Pressure is constant (D) Temperature is constant

Description : What happens in a reversible adiabatic compression? (A) Heating occurs (B) Cooling occurs (C) Pressure is constant (D) Temperature is constant

Last Answer : A) Heating occurs

The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCvln (T2/T1) is valid for (A) Reversible isothermal volume change (B) Heating of a substance (C) Cooling of a substance (D) Simultaneous heating and expansion of an ideal gas

Description : The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCvln (T2/T1) is valid for (A) Reversible isothermal volume change (B) Heating of a substance (C) Cooling of a substance (D) Simultaneous heating and expansion of an ideal gas

Last Answer : (D) Simultaneous heating and expansion of an ideal gas

__________ of grey cast iron produces white cast iron. (A) Tempering (B) Rapid heating (C) Rapid cooling (D) Slow cooling

Description : __________ of grey cast iron produces white cast iron. (A) Tempering (B) Rapid heating (C) Rapid cooling (D) Slow cooling

Last Answer : Option B

Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising

Description : Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising

Last Answer : Option C

Magnetic permeability of iron is increased by its (A) Decarburising (B) Alloying with cobalt (C) Purification (D) Alternate heating & cooling

Description : Magnetic permeability of iron is increased by its (A) Decarburising (B) Alloying with cobalt (C) Purification (D) Alternate heating & cooling

Last Answer : Option B

The effect that takes place which results in cooling action is1. Condensing 2. Heating 3. Cooling 4. Evaporating

Description : The effect that takes place which results in cooling action is1. Condensing 2. Heating 3. Cooling 4. Evaporating

Last Answer : Evaporating

The hyperboloid shape also aids in accelerating the upward convective air flow, improving ________ efficiency. • Performance • Cooling • Heating • All of the above

Description : The hyperboloid shape also aids in accelerating the upward convective air flow, improving ________ efficiency. • Performance • Cooling • Heating • All of the above

Last Answer : cooling

A ______ is a specialized heat exchanger in which air and water are brought into direct contact with each otherin order to reduce the water's temperature. a. Cooling tower b. Heating tower c. Both d. All are wrong

Description : A ______ is a specialized heat exchanger in which air and water are brought into direct contact with each otherin order to reduce the water's temperature. a. Cooling tower b. Heating tower c. Both d. All are wrong

Last Answer : cooling tower