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Basic Home HVAC Design

thread404-9086

Basic Home HVAC Design

Basic Home HVAC Design

(OP)
What is the rule of thumb for calculating the cooling and heating load for a home -- with and without zone heating/cooling?

What are the pros and cons of oversizing a unit -- within reason?

Thanx--

MGM

RE: Basic Home HVAC Design

About 1 to 1.5 kW units per room. Your unit air conditioning supplier can give you a very quick rule of thumb design.
If you are using a central packaged unit, you add up the requirement for individual rooms. It is usual to estimate on a per sq.m basis. The same goes for split units.
If you need anything better, then a more detailed heat loss calculation, using Carrier tables, or ASHREA Handbook is warranted.

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