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Since you are in Michigan I recommend Ferris State if you have the time. Here is the link in case you want to check it out.
http://www.ferris.edu/cot/hvacr/
I believe once you complete the...

I did a little comparision at ARI conditions (Just to make sure everyone is telling the truth) between York and Carrier and here is where it shakes out

I looked across all sizes ranges Carrier had...

Another great machine along this line is the 23XRV it's a positive displacement machine but it beats centrifugals hands down in term of efficiency. Hence no surging when the tower water gets out of...

In addition to Daikin selling the VRV technology Mitsubishi and Sanyo both currently also have a comparable product lineup in the United States. The term VRV is actually Daikins brand name "Variable...

Carrier and Lennox both make comparable equipment. Go with the contractor that makes you more comfortable. Ask to see their load calculations the one that actually ran them is more competent. ...

The LON card will need to be mapped to the CCN Tables by the CCS (Carrier Commercial Service) Tech. It's smart to plan to be there when they do this so you can confirm that you are seeing the points...

I pulled wire one summer when I was in High School and whenever the journeyman I was with saw a HVAC service truck he would tell me "those guys got it made they do it all piping, metal and wiring." ...

If your interested checkout Viessmann Boilers its a great product not only are they efficient but they burn really clean NOx < 27.9 ppm (air-free), CO < 9.2 ppm (air-free) here is the link:
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It is pretty common in residential construction to pan the joists to create a return air duct. As for dust a high quality furnace filter should remove this prior to recirculating it through the...

One note about VRF while it does appear to be efficient all VRF products being sold in the United States are under a DOE waiver which exempts them from ARI testing. The reason being is that ARI has...

As the exhaust fans come on the outside air damper should open. If you have multiple exhaust fans then a differential pressure sensor should be installed and the outside air damper should have a 0 -...

Personal opinion I think you will be more satisfied with the Carrier system

Start taking classes at a community college and get a position as a helper with a local HVAC company. Crawling around in attics makes the night school a lot more fun. :)

There are alot of product specific controls training classes.

Start small learn the in's and outs of canned control systems such as the Carrier 3V and work your way up.

As you get more...

Here is a link for the Carrier 3V product databook which you will find helpful.

The new Carrier 3V is pretty slick and easy to setup.

There is also a demo on the Carrier website which runs...

Is the IQ 23 available in every nominal 2 - 5 ton size now? As when it cameout it was not available in every size.

Fujitsu, Daikin, Mitsubishi, Sanyo, LG all make minisplits with inverter compressors. For the most part the quality is great from anybody. But each brand has its own following.

Each manufacturer...

The GE Zoneline and Amana are more common. But the SANYO is much better unit the Japanese technology and quality are evident. But the cost is slightly higher.

BACNet is a more robust and scalable than Lon. You will fine early on a couple of manufacturers used LON on the ASC level and BACNet at the higher level. As BACnet takes more bandwidth. ...