Air Handling Unit Components 2 | HVAC Forced Air Systems

by | Air Handlers | 0 comments

Air Handling Unit Components 2: Heat - There are many different types and arrangements of heating systems for air handling units and these types of heating systems and arrangements of heating systems vary from commercial to residential. Some air handling units do not have any heat source inside them at all but have remote heat for zoning. The air handling unit provides the airflow and the remote heaters provide heat for zoning.

Sometimes the air handling unit is a VAV air handling unit and other times it is just to provide air for a duct heater whether the duct heater is gas-fired or electric. For air handling units which some have heating systems inside the five main ways of providing heat for air handling units are:

Liquid to Vapor Propane Evaporators | HVAC Heating

by | Technical Reference | 0 comments

Liquid to Vapor Propane Evaporators

Liquid to Vapor Propane Evaporators

These evaporators serve a large complex where natural gas is unavailable. The complex needed fuel for boilers for heating and domestic hot water so these evaporators were installed too along with two very large LP tanks to handle the heating needs of the complex. As liquid propane (LP) has a specific weight of .504 (where water is 1) and propane vapor has a specific gravity of 1.5 (where the air is 1) making propane vapor 1.5 times heavier than air. (more…)

How to Hook Up a Home Thermostat | HVAC Control

by | Thermostats | 3 comments

How to Hook Up a Home Thermostat - If you need to install a new thermostat then you have found the right place to learn. Below we will describe to you how to hook up a new digital thermostat. Whether the old thermostat is bad or not if you simply want to replace your old one and hook up a new one. First of all, the first thing you need to take into consideration is to select the right replacement thermostat.

To select the correct replacement you need to know what kind of HVAC equipment you have in your home. Or where you want to hook up the new thermostat.  There are numerous types of air conditioner and heating combinations. Therefore, to simplify things, we will cover a basic gas furnace and air conditioner split system HVAC system. For hooking up a new thermostat similar systems to the air conditioner/gas furnace combination would be: (more…)