Typically, they do 1-2 years of internship. Unlike psychiatrists, psychologists are also trained in giving psychological tests (like IQ tests or personality tests). Because of their medical training, psychiatrists can prescribe medication -- probably the most commonly known distinction between the two fields.
1 For a 1,000 square foot home, the cost of an HVAC system is $6,000 to $12,000, including a new furnace, air conditioning unit, and ductwork.2  For larger homes and more complex setups, however, the price could be significantly higher. For central air-conditioning, youâll pay $3,000 to $5,000 and up for a 2,000 square foot home. 2  A new furnace in a central heating system costs $2,500 to $7,500 or more.
Updated: January 2017. Get an INSTANT, detailed estimate of the cost to Install a Split System Air Conditioner! Our free calculator uses up-to-date, trusted data to estimate typical subcontractor costs for a Split System Air Conditioner Installation project. For a basic 1 unit project in zip code 47474, the benchmark cost to Install a Split System Air Conditioner ranges between $2,682 - $3,184 per unit. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.