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How to Choose the Right Thermostat
Heating and cooling units use thermostats to control and regulate building temperatures. Units either have a line voltage system or low voltage system, and each operates with specific types of thermostats. The guide below explains which type of thermostat can be used with each system.

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Heating & Cooling Articles

The Complete Toolkit for Duct and Vent Fittings

Traditional heating and cooling units depend on ductwork to distribute airflow throughout a building or home. Ductwork is especially integral to an HVAC system because it plays a role in how air is drawn into the unit and pushed back out after it’s been heated or cooled.

Heating & Cooling Articles

How to Choose the Right Thermostat

Heating and cooling units use thermostats to control and regulate building temperatures. Units either have a line voltage system or low voltage system, and each operates with specific types of thermostats. The guide below explains which type of thermostat can be used with each system.

Heating & Cooling Articles

Water Heaters

Buying a new water heater can be a pain. It doesn't have to be. Easily pick and purchase your new water heater by following Zoro's guide.

Heating & Cooling Articles

How to Select the Right Water Pump

A water pump moves water or fluids from one place to another. The type of pump that best suits your needs depends upon the type of liquid you want to pump, the volume of liquid you require, and the distance you want the liquid to move.

Heating & Cooling Articles

How Liquid Level Switches Work

Liquid level switches are used to regulate and monitor levels of free-flowing liquids within a confined space, and they're used to identify the point at which a liquid falls below a preset minimum or rises above a preset maximum level.

Heating & Cooling Articles

How to Select the Best HVAC Pump for Your Application

There are many types of water pumps, but to select the right pump for an HVAC system, you have to take into account some of the unique characteristics of the HVAC system itself.

Heating & Cooling Articles

How to Select the Best Space Heater

Make informed decisions about selecting space heaters with the help of this guide. Rely on Zoro for a huge selection of space heaters for every need.

Heating & Cooling Articles

How to Control the Speed of an AC Electric Motor

An AC motor is an electric motor driven by an alternating current (AC) and consists of two basic parts: an outside stator having coils supplied with alternating current to produce a rotating magnetic field, and an inside rotor attached to the output shaft producing a second rotating magnetic field.

Heating & Cooling Articles

How to Select an Evaporative Cooler

The question of how to select an evaporative cooler has an answer based in geography, economics and square footage.

Heating & Cooling Articles

How to Select a Bathroom Exhaust Fan

The air flow volume that a bathroom exhaust fan can move is rated in Cubic Feet per Minute or CFMs. Different sized bathrooms have different exhaust fan CFM requirements.

Heating & Cooling Articles

Oil Burner Nozzle Guide

Oil burner nozzles come in various spray angles and spray rates which determine the efficiency of an oil burner.

Heating & Cooling Articles

Why Use a Whole House Fan?

With so many home cooling systems on the market, it can be a challenge to decide what type of unit is worth getting. If you simply want to move warm internal air out of the entire house and replace it with fresh air from outside, a whole house fan may be what you’re looking for.

Heating & Cooling Articles

Exhaust Fan Selection Guide

Designed to circulate in fresh air while removing stagnant, fume-laden or stale air within a confined space, exhaust fans are available in a variety of types and sizes.

Heating & Cooling Articles

HVAC Air Filtration Guide

When it comes time to consider proper filtration for any HVAC system, a few things to keep in mind include the correct filter size, filter material, filter type, the environmental conditions the filter is used in, and MERV ratings.