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<blockquote data-quote="swampratt" data-source="post: 3332214" data-attributes="member: 15054"><p>My dad owned his own HVAC business ..he is dead now and I was an attic rat for him for a bit and for SPAAN heat and air .</p><p>I stuck a 2.5 ton condenser on my 1,276 sq ft house that was built in 1964 wood floors with 18" of crawl space under the house.</p><p>I used a 3 ton A coil on the system and return was 24".</p><p>Grandmothers house also got a 24" return 2 ton system with 924 sq feet.</p><p></p><p>These 8" returns are lazy and laughable.</p><p></p><p>A squirrel cage fan needs a lot of air.</p><p>I built a 4 ton system for my house and 3 returns and a 2" thick filter not those home supply store 1" ones.</p><p></p><p>I may go over kill but air flow is a non issue.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3332214, member: 15054"] My dad owned his own HVAC business ..he is dead now and I was an attic rat for him for a bit and for SPAAN heat and air . I stuck a 2.5 ton condenser on my 1,276 sq ft house that was built in 1964 wood floors with 18" of crawl space under the house. I used a 3 ton A coil on the system and return was 24". Grandmothers house also got a 24" return 2 ton system with 924 sq feet. These 8" returns are lazy and laughable. A squirrel cage fan needs a lot of air. I built a 4 ton system for my house and 3 returns and a 2" thick filter not those home supply store 1" ones. I may go over kill but air flow is a non issue. [/QUOTE]
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