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a question for you hvac guys

Guest

By Guest
in DIY Appliance Repair Help

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Guest

Guest

Posted
Posted

ok guys...I have a 4 ton central unit that's heating and cooling a 2000 square foot house....im wanting to add a 24'x24'x9' game room onto it that will be heavily insulated ....here is my question....

choice #1...can I just tie into the duct and run two more vents into the room?...or choice #2..... adding a window ac/heat unit in the room and leaving the home vents alone....

can you please give me some pros and cons to think about..?

thanks guys....:)

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RegUS_PatOff Sensei

RegUS_PatOff

Posted
Posted

I'm not a HVAC expert, but I'd say choice #1,

but depending on how many inches of / and what type of insulation you have in the current 2000 sq ft house.

posted location Arkansas

 

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Guest

Guest

Posted
Posted

someone told me that the added room would be to much for the unit to handle and it would run all the time....

the house and the added room have R30 in the ceiling and R19 in the walls.

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Guest

Guest

Posted
Posted

just depends how hot it gets outside...it doesn't run to often through the day..Im just worried that the main house will get to temp before the added room does ...

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RegUS_PatOff Sensei

RegUS_PatOff

Posted
Posted

8 to 10 hours run-time isn't un-common...

air-flow can be adjusted with individual duct dampers ...

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applianceman18007260692 Sensei

applianceman18007260692

Posted
Posted

I would not bother tieing into the existing ac system. It would put a strain on it. I would instead install a 1 .5 ton heatpump for that room and allow double doors into the rest of the house. I would add a wood heater into that game room too. In case of electrical failure in them bad winter storms like the one this year.

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telefunkenu47 Kohai

telefunkenu47

Posted
Posted

I agree. Nothing kills like overkill. perhaps a mini split. I know last summer Allbrands had a special on them in the 600 dollar range.

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Guest

Guest

Posted
Posted

Thanks guys for the advice....Me and the wife decided to add a split heat/ac window unit for the room....Where looking at something between a 12,000 and 18,000 btu....

what brand do yall recommend for this type of unit..?

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applianceman18007260692 Sensei

applianceman18007260692

Posted
Posted

These new models are a turkey shoot. Goodman has a 1.5 heatpump for about a thousand dollars. I would go with it over a japanese model. Goodman last I heard was made in Tenn but even that may stretching it.

http://ingramswaterandair.com/goodman-gsh140181heat-pump-seer-split-heat-pump-p-614.html

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Bobice Sōhei

Bobice

Posted
Posted

Fujitsu mini split carried by Johnstone Supply. Call them for price quote. Excellent system. JMO

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