Temperature

What Temperature Should I Set My Programmable Thermostat To | HVAC Control

What Temperature Should I Set My Programmable Thermostat To – 4) Please confirm this advice if you would; it is better to have your thermostat left at 70°F. to 72°F. during the day while your home is empty and adjust accordingly when you get home as opposed to shutting off the heater/ac and turning on when […]

Boiler Efficiency Options | Buyers Advice

Boiler Efficiency Options | Buyers Advice Boiler Efficiency Options – High Performance HVAC wants to help you understand your next boiler purchase better. To do this we want to break down all the different types of boilers and components, and various options and features that you may find when making a purchase. Typically you want to […]

How a Programmable Thermostats Works | HVAC Control

How a Programmable Thermostats Works Programmable thermostats can save you more than ten percent on your homes utility bills. For that reason a programmable can pay for itself within a few years depending on the type and expense of the type you purchase. I always lean towards Honeywell thermostats simply because I’ve seen their reliability […]

Hot Water Boiler Reset Control | Heating and Cooling

Hot Water Boiler Reset Control Richard, We are looking at replacing our boiler with a new boiler. The HVAC contractor, I suppose he is the salesman for the HVAC contractor, is trying sell us what he refers to as a reset control for our boiler. He tells us it will save us more money by […]

Rooftop Economizer CO2 | HVAC Control

Rooftop Economizer CO2 | HVAC Control This damper is part of a free cooling system for a rooftop economizer. It is part of an economizer damper system which allows free outside air cooling when the outside air temperature and humidity are ideal. This economizer also works on CO2 control so that if the CO2 levels […]

Refrigeration for HVAC | Air Conditioning and Heat Pumps

Refrigeration for HVAC Air conditioners and heat pumps use the process of refrigeration to provide heating and cooling. What is the definition of the process of refrigeration? Refrigeration is the process of moving heat and depending on whether it is a heat pump or air conditioner and what mode it is in will depend where […]

Temperature Measurement & Conversion for HVACR

In air conditioning and heating applications it is necessary to accurately measure temperature to offer control of the temperatures relative to the application for which the HVACR equipment is serving. There are four separate temperature scales used to measure temperature and it becomes necessary at times to have the ability to convert between the different […]

Heat Trace Tape Control for HVAC Piping

Heat Trace Tape Control for HVAC Piping HVAC Piping systems especially in the Northern regions need a way to freeze protect piping the runs outdoor which is a necessity in many different HVAC application. To protect HVAC piping from freezing heat trace tape is wound around the pipe and controlled by an outdoor thermostat or temperature […]

Domestic Hot Water Mixing Valve and Domestic Storage Tank

Domestic Hot Water Mixing Valve and Domestic Storage Tank Domestic Hot Water Mixing Valve and Domestic Storage Tank – This domestic hot water mixing valve offers a way to temper the hot water coming from a hot water loop and boiler. It is very important to maintain the appropriate and desirable temperatures of water used […]

Hot Water Boiler Components and Controls | Combustion Control

Hot Water Boiler Components and Controls | Combustion Control This photo shows the boiler cabinet open exposing controls and basic components of the boiler. The module on the left is the ignition control module which controls the sequence of operation for ignition and burner controls of the boiler. When the boiler is enabled to run […]

DDC Outside Air Economizer System | HVAC Control

DDC Outside Air Economizer System DDC Outside Air Economizer System  – Outside louvers allow the DDC control system to open dampers and introduce fresh air into the building. Building automation system, or the energy management system as it is sometimes called, monitors outside air temperature and humidity and based on a calculation and opens the outside […]

HVAC Definitions Terms & Acronyms | Heating Cooling

HVAC Definitions Terms & Acronyms This is a comprehensive list of HVAC Acronyms and HVAC Terms. High Performance HVAC is certain there are more terms and acronyms. If you know of something we missed please email us. Thanks! AC – Air Conditioning or Alternating Current ACCA – Air Conditioning Contractors Associations AFUE – Annual Fuel […]

Data Center Perforated Tiles for Cooling Servers

Data Center Perforated Tiles for Cooling Servers Data Center Perforated Tiles for Cooling Servers – There is a lot to consider with perforated tiles in data centers and depending on who you talk to you will get different answers. The server floor in a data center is typically built on a raised floor with cold […]

Honeywell Furnace Temperature Fan Limit Control

Honeywell Furnace Temperature Fan Limit Control The fan limit control turns the fan on and off in furnace applications. It works off of temperature and also provides a high temperature safety limit.This is a switch, actually two switches, which turns the furnace blower on and off based on the temperature of the heat exchanger. A […]

Desiccant Wheel Heat Recovery Unit | HVAC Energy Efficiency

Desiccant Wheel Heat Recovery Unit |  HVAC Energy Efficiency This is a desiccant wheel in a heat recovery unit. Mainly used in HVAC commercial applications where codes require a specified amount of fresh air for buildings. The old way was to pull the unconditioned fresh air and then condition the air using the mechanical equipment […]

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