HPAC Magazine

Topic
Controls

Feature Article ControlsHydronics

Hydronic controls: A look ahead

March 19, 2017 by Mike Miller

When I started my career some 25 years ago hydronic controls were pretty rudimentary. At best, they could control what they were designed for, but they were pretty much standalone. There were little application controllers and were often only good

News ControlsHeatingHPAC GeneralHVAC SystemsManagement

Stelpro develops smart thermostat with IoT leaders

February 7, 2017

Stelpro, a manufacturer of integrated heating solutions, has teamed up with three Internet of Things (IoT) partners to develop and bring to market Maestro – Smart Thermostats, a smart home solution for electric heat that enables users to customize home

News ControlsHPAC General

Pro Kontrol distributes Facility Explorer in Atlantic provinces

February 3, 2017

Pro Kontrol has been appointed by Johnson Controls to distribute the Facility Explorer line of digital controls in the Atlantic provinces (including Newfoundland and Labrador). The wholesaler, which is dedicated to HVAC control parts for commercial buildings, is promoting the

News ControlsEngineeringHVAC SystemsManagement

Schneider Electric and Panasonic partner to simplify energy management

January 27, 2017

Schneider Electric, a global specialist in energy management and automation, and Panasonic Corporation recently announced an integrated HVAC equipment and building management solution. Both companies have developed an interface wireless solution, which enables direct serial communication between Schneider Electric’s building

Feature Article ControlsEngineeringHydronics

Troubleshooting pointers for commercial pumps

December 18, 2016 by Mike Miller

When troubleshooting commercial pumps it is always important to note the type of symptoms, the point at which the symptoms began and the time period over which the symptoms developed. In particular, consider whether something changed in the system prior

Canada Awards for Excellence,Distech Controls
News ControlsEngineering

Distech Controls honoured for successful management model

November 9, 2016

Distech Controls, is the Gold Award Recipient in the Quality and Project category of the 2016 Canada Awards for Excellence. The win rewards Distech’s management model for continuous improvement and the achievement of significant operational results, as determined by stringent

News ConstructionControlsCoolingEngineeringForced AirGeothermalGreen TechnologyHeat PumpsHeatingHPAC GeneralHVAC SystemsHydronicsPlumbingSolar

Innovative products in the spotlight at CIPHEX West

November 5, 2016

Winners of the New Product Competition at CIPHEX West are: Sunrise Tradex Corporation, The Mini: Movable Split Air Conditioner, Air Conditioning and Refrigeration; Viessmann Manufacuring Company, Vitosol FM, Alternative Energy (Solar, Geothermal, etc.): tekmar Control Systems (A Watts Brand), WiFi

Feature Article ControlsForced AirHeatingHPAC GeneralHVAC Systems

Beyond the furnace tune-up

October 26, 2016 by Ian McTeer

A furnace tune-up is really a comprehensive maintenance job. Contractors know that it is essential to maintain a long-term relationship with every customer by providing timely preventive maintenance (PM) at least once per year. It is better to work with

Siegenthaler
Feature Article ControlsEngineeringHydronics

Changing flow direction for optimal heat exchanger performance

October 26, 2016 by John Siegenthaler

Many systems with renewable energy heat sources also have large thermal storage tanks. Examples include systems using biomass boilers and solar thermal collectors. I call these heat sources “wild” since they can operate over a wide range of conditions and

refrigeration,walk-in boxes
Feature Article ConstructionControlsEngineeringHPAC GeneralHVAC SystemsRefrigeration

How to size refrigeration correctly for the box and application

October 26, 2016 by Dave Demma

The key to a properly operating walk-in box system starts with a good design and the basis of a good design is to accurately determine what the refrigeration heat load is. To do this one has to realize that heat