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I've been a commercial tech for a while with very little exposure to boilers. The company I work for wants to start offering boiler service and wants me to start getting some training on them. What...

I posted this in general discussion, but I should've posted it here. I've never installed either of these bit I recently heard a coworker talking about how much he liked his UV light. My son and I...

Come on! I know somebody has some info for me. Did I post in the wrong spot?

I have never installed any of these air quality devices. I always assumed it was BS. I had a coworker talk about how he liked his UV light and since my son and I have seemed to have some allergy...

I didnt see a pump, but if i ever get the chance to return ill really look at the system. The WH and AH are in the same room, about 10 ft apart. I assumed it was working off the pressure from the...

Maybe i dont understand plumbing. I thought the way a water heater worked was when you opened a valve on the hot water side the pressure from the main water supply pushed into the tank pushing the...

I didnt think about that, that doesnt seem very clean.

No pump. Just uses the domestic water pressure. Theres a valve inside the AHU which opens on a call for heat. Like your kitchen sink. It allows hot water to go through the coil.

Im not a plumber, but itjust looked like a standard gas water heater to me.

That makes sense, but if the water heater is burning gas to keep the water at temp in an insulated container it will be running less than if the the hot water is being routed through a coil with 70...

I went on a call last week (homeowner had just hit the power switch). But the unit used hot water from a gas water heater for heat. Ive never seen this before in NC in a home. I do commercial work...

Im not convinced using any replacement on the market is good for me. We use a lot of heat pumps in my area and any reduction in performance isnt acceptable. I recommend paying to have the leak...

I mostly do commercial service as a career, but I started doing residential on the side. I had a customer want me to run an underground gas pipe to a pool heater. He said another contractor used some...

I would not think the high side would drop because of air flow. Just from what ive seen in my experience. The Delta T does seem a little high though.

I like Mitsubishi. I think their tech support is great. I have been to Atlanta to their training and I thought it was great.

http://www.rodtripp.com/
NClicensing.org
Those 2 sites should answer all your questions. I got mine when i just hit the 2 year mark also. Biggest thing is dont think youre not gonna have to keep...

It kills me how people pay for the maintenace and them dont want you to fix what you found! Whats the point in paying for the maintenance other than the coil cleaning?

I think ive seen that with the blower running on an old Carrier once. Combustion fan ran constantly also, even when calling for cooling.

I didnt care much for the metal clipboards. I started using (i forget what its called, portfolio maybe?) its a leather binder with pockets inside and a place where you can take notes. If i need to...

Maybe im showing some ignorance, but ive never heard about the residential copper coils not being field repairable? What do you mean?

I may need to start a new thread for this, but what do you know about the aluminum coils? Ive seen the micro-channel coils, and theoretically it seems like it would work well and even though the...

I install a drier everytime I open the refrigerant circuit. Just make sure the arrow is pointing in the right direction!

Seems like it is a lot to keep up with. I just know what I like and dislike to work on and the distributors i like and dilike to work with.

Are you saying these are all exactly the same, or basically the same with some differences that will effect quality and performance. Either way, thanks for all that info.

Follow up:

I talked to one old guy I worked with. He said "there all the same......except Payne, I wouldnt put in a Payne." it seems everybody thinks theyre all the same except for brand "X".

Can anybody give me a reasonably short answer on what is what? I go to one supplier who sells AirEase and says it is exactly the same as Lennox. Its made by Lennox. I go to another who sells...

One thing I have noticed tonight looking at other major brands (Heil, Trane, Lennox and Rheem) is the York website is the most user friendly for the contreactor. Tons of info on what they offer.

The short answer to that is "thats what im trying to find out."

Ive been doing like you. Ive mainly just replaced units with what the customer already had. I just had some customers who really...

Im supposed to meet with the salesman this week. Those of you who run a business are there any specific questions I should ask? Ive got a lot of stuff in mind, but any suggestions would be...

Have you personaly looked into becoming a dealer with trane, carrier ect.. or just going by what you heard on minimum sales? Trane has a great class program to keep everyone up to speed and Ive...

It looks like York has a lot to offer the contractor from what I can see on their website.

Are you just looking around the room at things and saying you like them?

Im running a residential company part time and have been looking for a manufacturer to team up with. A lot of them require you sell about $50,000 (im not there yet) worth of equipment to sell their...

I have. Ive been signed up for that for a few months and havent had the first call.

What is the correct answer?

I dont think the question is worded very well, but I would think thermopile.

I like the nest, very easy to install. It is overpriced. Hard for me to make any money on it when they can by it at Lowes for just a little more than i can buy it.

I agree. I dont think youre on the true suction.

I got a price for a Coleman split and package unit. I think the ustomer will be better off going with the split to keep from adding duct and cutting a hole in the foundation wall. Hopefully i can...

I'm going to price him a split also. He asked for a package unit. He complained about being able to hear the fan.

I was told because the duct causes a high static pressure you need a unit with a high static blower. Is that something most manufacturers make? I want to try to talk him into a split, his complaint...

I think 10,000 hours is about right. I think you can get that in before the 5 year mark if youre putting a lot into it outside of work. I work at a commercial company, but when i was trying to learn...

I have a customer who wants a package unit installed in his doublewide. Ive never done this before, but ive been told you have to have a particular unit for a mobile home because of the duct work. If...

I really like the honeywells.

I work for a comercial HVAC company. I had about 1 years experience with a residential company then worked in manufacturing for about 4 years and have been with this company for about a year. ...